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What do you add to soil to make hydrangeas bloom?

When it comes to hydrangeas, soil pH plays a crucial role in determining the color of the blooms. Typically, alkaline soil produces pink hydrangea blooms, while acidic soil yields blue blooms. Therefore, if you want to make hydrangeas bloom, you need to adjust the soil pH to the desired level by adding suitable supplements.

To make the soil more acidic, you can add aluminum sulfate, sulfur, or peat moss to the soil. These amendments help to lower the soil pH and create the acidic conditions that hydrangeas need to produce blue flowers. If you want your hydrangeas to bloom pink, you can add lime or wood ash to the soil.

These supplements raise the soil pH, making it more alkaline and creating the perfect growing conditions for pink flowers.

It’s important to note that adjusting soil pH takes time and patience. You should avoid applying too much of any supplement at once, as it can shock the plants and damage their roots. It’s best to begin with a small amount and gradually increase it over time until you reach the desired pH level.

In addition to adjusting soil pH, it’s important to ensure that the soil is well-drained and has enough nutrients to support healthy growth. You can use a slow-release fertilizer to provide the necessary nutrients to the plants. Regular watering and mulching can also help to keep the soil moist and cool, which is essential for healthy hydrangea growth and blooming.

Also, experts recommend pruning hydrangeas after blooming has ceased to reduce its size and promote healthy growth next year.

To make hydrangeas bloom, it’s crucial to adjust the soil pH by adding appropriate supplements to achieve the desired color. Additionally, ensure the soil is well-drained, provide regular watering and nutrients using slow-release fertilizers, and prune the hydrangeas regularly. By following these steps, you can ensure healthy growth and beautiful blooms for your hydrangeas.

How can I encourage my hydrangea to bloom?

Hydrangeas are beautiful flowering shrubs that add a touch of elegance and color to any garden. However, getting them to bloom can be a challenge. Fortunately, there are several ways to encourage your hydrangeas to bloom.

1. Prune correctly: Pruning is essential for maintaining healthy and vibrant hydrangeas. Pruning should be done at the right time of year, depending on the type of hydrangea you have. For example, you should prune big-leaf hydrangeas before they begin growing in the spring. If you have panicle hydrangeas, cut back the old growth to promote new growth and blooming.

2. Provide sunlight and shade: Hydrangeas need a balance of sun and shade to bloom correctly. They should be planted in a spot where they receive morning sunlight and afternoon shade. If they receive too much sun, they can become stressed and not bloom.

3. Soil pH: The pH level of the soil is critical for the health of your hydrangea. If the soil is too acidic or alkaline, your hydrangea may not bloom correctly. You can check the pH level of your soil with a soil kit, which can be purchased at a local nursery or garden center. If the pH level is too low, you can add lime to the soil to raise it.

4. Fertilize correctly: Fertilizing your hydrangea can help promote healthy growth and blooming. However, too much fertilizer can burn the roots and inhibit blooming. Use a slow-release fertilizer that is designed for hydrangeas, and follow the instructions on the package.

5. Watering: Hydrangeas need consistent watering, especially during hot and dry periods. They prefer well-drained soil that is moist but not waterlogged.

To encourage your hydrangeas to bloom, you should prune correctly, provide sunlight and shade, test soil pH, fertilize, and water correctly. With proper care, your beautiful hydrangea will bloom and enhance the beauty of your garden.

Will Epsom salt make hydrangeas bloom?

Epsom salt, which is also known as magnesium sulfate, is a popular household remedy that has a range of purported benefits, including improving plant growth and blooming. Hydrangeas, which are popular flowering plants, are one of the plants that have been linked to potential benefits from using Epsom salt.

It is widely believed that Epsom salt can help flowers bloom, and hydrangeas in particular, by providing them with essential nutrients such as magnesium and sulfur. Magnesium is an important nutrient required for chlorophyll synthesis, which is essential for photosynthesis, while sulfur is essential for the development of plant tissues and to aid the plant in the absorption of other nutrients like nitrogen and potassium.

While some gardeners swear by Epsom salt as a natural remedy for flowering plants like hydrangeas, the scientific evidence is less clear. There are only a few studies that show Epsom salt can improve plant growth, and these have mostly been carried out on agricultural crops rather than garden plants.

However, that being said, many experienced gardeners and horticulturists find that Epsom salt can indeed help with the blooming of hydrangeas and other flowers, although its effectiveness may vary from plant to plant and depend on other factors such as soil type, weather conditions, and the stage of the plant’s growth.

It’s important to note that while Epsom salt may help your hydrangeas bloom more profusely, it is not a miracle cure that will guarantee results. Other factors, such as planting the hydrangeas in the right environment, providing adequate sunlight, water and nutrients, and ensuring proper soil acidity levels, are also crucial for healthy growth, blooming, and the overall health of your plants.

While the evidence behind the efficacy of Epsom salt as a flower growth enhancer is still inconclusive, many gardeners recommend using it to improve the blooming of plants like hydrangeas. If you’re interested in trying this remedy, it’s always best to do some research beforehand and speak to experienced gardeners, horticulturists, or professionals to learn about the best ways to use Epsom salt for your particular plant species and growing conditions.

What is the fertilizer for hydrangeas to bloom?

Hydrangeas require specific nutrients to ensure healthy growth and abundant blooms. The most important nutrient for hydrangeas is potassium, which helps the plant develop a strong root system, improves the plant’s disease resistance, and supports the overall health of the plant.

In addition to potassium, hydrangeas also require other essential nutrients, including nitrogen and phosphorous. Nitrogen promotes strong foliage growth, which allows the plant to photosynthesize and continue to produce energy. Meanwhile, phosphorous promotes root growth and improves the plant’s overall health.

There are many different types of fertilizers available for hydrangeas, but it is important to choose a fertilizer that is specifically designed for hydrangeas to get the best results. A good fertilizer for hydrangeas should contain a balanced mix of nutrients, including nitrogen, phosphorous, and potassium.

Some fertilizers also include micronutrients, such as iron, magnesium, and calcium, which can help to improve the color of the blooms and enhance the overall health of the plant.

When applying fertilizer to hydrangeas, it is important to follow the manufacturer’s instructions carefully. Over-fertilizing can damage the plant and cause it to produce fewer blooms, so it is important to stick to the recommended application rates.

Finally, it is important to remember that the type of soil in which your hydrangeas are planted can also have a significant impact on their growth and blooming. Hydrangeas prefer slightly acidic soil with a pH of around 5.5 to 6.5, so if your soil is too alkaline, you may need to amend it with sulfur or other soil supplements to achieve the right level of acidity.

Additionally, hydrangeas prefer well-draining soil that is high in organic matter, so incorporating compost or other organic matter into your soil can also help to support healthy growth and abundant blooms.

Should I fertilize hydrangeas while blooming?

Hydrangeas are a popular choice among homeowners for their beautiful blooms and for being low maintenance. However, like all plants, they need to be fed to maintain their health and thriving growth. The question of whether to fertilize hydrangeas while they are blooming is a common one, and the answer is not as straightforward as a simple “yes” or “no.”

It depends on the specific type of hydrangea, the condition of the plant, and the type of fertilizer you are using.

Firstly, let’s consider the different hydrangea types. There are three common types of hydrangeas: mophead, lacecap, and paniculata. Mophead hydrangeas, also known as “bigleaf” hydrangeas, have large, rounded flower clusters that can range from pink to purple to blue, depending on the acidity of the soil.

Lacecap hydrangeas have smaller, flatter flower clusters with open centers. Paniculata hydrangeas have cone-shaped flower clusters that bloom later in the season. Not all hydrangeas bloom at the same time, so it’s essential to know which type of hydrangea you have before fertilizing.

Secondly, consider the condition of the plant. Fertilization is essential for plants that have not been grown in ideal conditions or have been exposed to pests, disease, or harsh weather. Such factors can cause nutrient deficiencies, which can affect the plant’s growth and lead to stunted blooms. If your hydrangea is healthy and robust, it may not need fertilization.

Thirdly, consider the type of fertilizer. The type of fertilizer you use on your hydrangea will dictate when and how much to fertilize. Typically, slow-release fertilizers applied in early spring, before the growing season begins, are sufficient. It’s also vital to ensure that the fertilizer contains sufficient phosphorous, which is essential for the development of healthy blooms.

Some fertilizers are specifically formulated for flowering plants and contain higher levels of phosphorous than nitrogen, which can boost bloom production. If you have missed fertilizing in early spring, it is recommended to feed your hydrangea before blooming.

Additionally, it’s essential to note that over-fertilizing can cause more harm than good. Excessive fertilization can lead to too much nitrogen in the soil, which can encourage leafy growth at the expense of bloom production. Over-fertilizing can also cause environmental concerns since fertilizer runoff can harm aquatic life.

Fertilizing hydrangeas while they’re blooming isn’t required if the plant is healthy, and they were fertilized adequately in the growing season’s beginning. However, if your hydrangea has not received fertilization, it can be provided with required nutrients to continue blooming through the season, as long as the fertilization isn’t overdone.

Overall, it’s crucial to select the right type of fertilizer and follow the instruction on the label or get advice from a professional gardener, to ensure that you are providing the plant with the right nutrients at the right time.

What fertilizer should I use on my hydrangeas?

Hydrangeas are beautiful and popular ornamental plants that require a specific type of fertilizer to thrive. The choice of fertilizer depends on the type of hydrangea and the soil composition of the garden. However, in general, it is recommended to use a fertilizer that is high in phosphorus, medium in potassium, and low in nitrogen.

Nitrogen is essential for plant growth, but too much of it can cause the hydrangea to produce excessive foliage at the expense of flowers. Therefore, using a fertilizer that is low in nitrogen will prevent overgrowth and promote healthy flower growth. Phosphorous, on the other hand, is responsible for strong root development, which is crucial for the hydrangea’s overall health and survival.

Potassium promotes disease resistance, drought and cold tolerance, flower quality, and overall plant vigor.

One of the best fertilizers for hydrangeas is a slow-release fertilizer that provides the necessary nutrients gradually over time. Liquid fertilizers that can be sprayed onto the leaves or soil are also an option. Organic fertilizers such as compost or manure are also highly recommended as they provide long-term benefits and improve soil structure.

It is essential to fertilize hydrangeas at the right time. The first feeding should be in early spring before new growth begins. This is the time when the plant is emerging from dormancy, and fertilizer will help promote strong early growth. A second feeding should be done at the beginning of summer to encourage healthy blooms.

Finally, a light feeding in the fall will help the hydrangea prepare for the winter and ensure healthy growth next season.

When choosing a fertilizer for hydrangeas, look for one that is low in nitrogen and high in phosphorus and potassium, choose a slow-release or organic form of fertilizer, and feed at the right time to promote healthy growth and abundant flowers.

Why is my hydrangea not flowering?

There are several reasons why a hydrangea plant may fail to produce flowers. Some of the common reasons include insufficient sunlight, improper pruning, lack of nutrients, and unsuitable growing conditions.

One of the most common reasons why hydrangeas fail to bloom is due to inadequate sunlight. Hydrangeas require at least 6 hours of direct sunlight per day to produce flowers. If they are growing in a shaded or partially shaded area, they may not get enough sunlight to trigger the formation of flower buds.

Improper pruning can also impact the plant’s ability to produce flowers. If hydrangeas are pruned too late in the growing season or too heavily, they may not have enough time or energy to produce flowers. Ideally, hydrangeas should be pruned in the late winter or early spring before the new growth appears.

Lack of nutrients can also be a cause of non-flowering hydrangeas. Hydrangeas require a well-balanced fertilizer that is high in phosphorus to produce healthy flowers. If the soil lacks nutrients, it may negatively impact the plant’s flowering.

Finally, unsuitable growing conditions can also impact the ability of the hydrangea to produce flowers. If the soil is too dry or too wet, the plant may not be able to produce healthy flowers. Hydrangeas prefer well-drained soil that is rich in organic matter. They also need adequate water, especially during hot and dry weather conditions.

There are several reasons why hydrangeas may fail to bloom. It is essential to identify the underlying cause and take corrective measures to ensure that the plant produces healthy flowers. By providing sufficient sunlight, proper pruning, adequate nutrition, and suitable growing conditions, you can encourage your hydrangea to bloom year after year.

Is Miracle Grow good for hydrangeas?

Miracle-Gro is a well-known brand in the world of gardening products, offering a range of fertilizers and soil amendments. If you’re a gardener who loves hydrangeas, you might be wondering if Miracle-Gro is good for your plants. The answer is not straightforward, as several factors come into play.

Firstly, it’s essential to note that hydrangeas are relatively low-maintenance plants that need minimal care to thrive. However, they do require specific soil conditions and nutrients to produce vibrant blooms. The soil pH is a crucial factor in determining the color of hydrangea blooms. For instance, blue hydrangeas grow best in acidic soil with a pH between 5.2 and 5.5, while pink or red varieties thrive in alkaline soil with a pH of 6.0 to 6.2.

Miracle-Gro products, such as their All-Purpose Plant Food or Water-Soluble Tomato Plant Food, are designed to boost plant growth and provide essential nutrients like nitrogen, potassium, and phosphorus. However, these fertilizers contain a neutral pH and do not affect soil acidity levels. Therefore, while Miracle-Gro can help improve overall plant health, it may not influence flower color on hydrangeas.

The second consideration is the application of Miracle-Gro on hydrangeas. Like any plant, too much fertilizer can harm hydrangeas. Over-fertilization can result in chlorosis or yellowing of leaves, stunted growth, root burn, or even death of the plant. Therefore, it’s crucial to follow the recommended dosage on the packaging and not exceed it.

One way to prevent over-fertilization is to apply a slow-release fertilizer, such as Miracle-Gro’s Continuous Release Plant Food, which releases nutrients gradually over time. This type of fertilizer can be applied once or twice a season and reduces the risk of over-fertilizing.

Lastly, one factor to consider is the type of hydrangea you are growing. Some hydrangea varieties are hardy and can withstand a wide range of soil and environmental conditions. These include panicle hydrangeas, oakleaf hydrangeas, and smooth hydrangeas. Other varieties, like the bigleaf or mophead hydrangeas, are more susceptible to soil pH changes and require specific conditions to produce the desired flower color.

If you are growing a hardy hydrangea variety, using Miracle-Gro might not be necessary. However, if you are growing a bigleaf hydrangea, Miracle-Gro or any other fertilizer might not be enough to influence flower color.

Miracle-Gro can be good for hydrangeas, but its effectiveness depends on several factors, including soil pH, application method, and type of hydrangea. It’s recommended to test your soil’s pH and tailor application of Miracle-Gro based on plant needs, following the instructions from the packaging. As with any gardening product, moderation is key to avoid over-fertilizing and harming your hydrangeas.

Should hydrangeas be fertilized in the fall?

Hydrangeas are a popular choice for gardeners because of their beautiful and showy blooms that come in various colors. If you want to ensure that your hydrangeas have healthy growth and abundant blooms, it is essential to fertilize them regularly. However, the timing of fertilization is crucial, and many people wonder if they should fertilize hydrangeas in the fall.

In general, hydrangeas benefit from fertilization during their active growth periods, which usually begins in the spring and lasts until early fall. During this time, they need a steady supply of nutrients to produce healthy foliage and flowers. It’s best to fertilize hydrangeas in early spring before new growth emerges, again in late spring after the first flush of blooms, and once more in early summer to encourage more blooms.

Fertilizing hydrangeas in the fall is generally not recommended, as they are preparing for their dormant phase during the winter months. Fertilizing them during this time can encourage new growth, which may not have enough time to fully mature and harden off properly before the onset of winter. New growth that hasn’t had a chance to harden off can be more susceptible to damage from frost or freeze, and the plant may be at greater risk of disease or pest infestations.

Moreover, fertilizing hydrangeas in the fall can interfere with the natural processes of the plant. Hydrangeas naturally decrease their rate of photosynthesis during the fall so that they can allocate energy to other forms of growth and development, such as buds formation that will bloom the following spring.

Fertilizing hydrangeas during this time can disrupt the natural cycling of the plant, and lead to an accumulation of nitrogen that can cause other health problems.

Hydrangeas should be fertilized during their active growing period in the spring and early summer, and it is generally not recommended to fertilize them in the fall. Rather than fertilizing, it is better to focus on providing proper care for the plant during this time, such as mulching to preserve moisture levels and providing sufficient insulation to prevent frost damage.

By following these guidelines, you can help ensure that your hydrangeas will be healthy and vigorous, and produce a beautiful display of blooms year after year.

What color does Epsom salt turn hydrangeas?

Hydrangeas are a popular and beautiful type of flowering plant that are known for their large, showy blooms. One interesting characteristic of hydrangeas is that the color of their blooms can change depending on the pH level of the soil in which they are planted. This is because the pH level of the soil can affect the availability of certain minerals in the soil that are necessary for the production of pigments in the flowers.

Epsom salt, which is a common household item that is often used in baths to soothe sore muscles, can actually be used to enhance the color of hydrangea blooms. This is because Epsom salt contains magnesium, which is a nutrient that is essential for plant growth and development. When applied to the soil around hydrangeas, Epsom salt can help to increase the availability of magnesium in the soil, which can in turn enhance the vibrancy and intensity of the plant’s blooms.

The effect of Epsom salt on hydrangeas varies depending on the specific type of hydrangea and the pH level of the soil in which it is planted. In general, Epsom salt tends to enhance the blue tones of hydrangeas, making the blooms appear more vibrant and saturated. However, it can also have an effect on other colors as well.

For example, if the hydrangeas are planted in soil that is naturally more alkaline, adding Epsom salt can help to shift the color of the blooms from pink to more of a lavender or purple hue.

It is worth noting that while Epsom salt can be a helpful tool in enhancing the color of hydrangea blooms, it is not a magic solution. In order to achieve the best results, it is important to also ensure that the hydrangeas are planted in soil with the appropriate pH level for their specific type and that they receive adequate amounts of water and nutrients.

Additionally, it is important to always follow the directions for Epsom salt use carefully to avoid over-fertilization or other potential issues.

Can I sprinkle Epsom salt around plants?

Yes, Epsom salt can be sprinkled around plants as it contains magnesium and sulfur, which are important nutrients for plants. Magnesium is essential for the production of chlorophyll, which is the green pigment that absorbs light energy during photosynthesis. It also plays an important role in the formation of plant tissues and the activation of enzymes.

On the other hand, sulfur is important for the synthesis of proteins and the growth of roots. Therefore, adding Epsom salt to the soil may benefit plants by providing them with these important nutrients.

However, it is important to note that while Epsom salt can be beneficial for plant growth, it should be used in moderation. Excessive use of Epsom salt can lead to an imbalance in soil nutrients and may even harm plants. Therefore, it is recommended to use Epsom salt only as directed and to monitor the health of your plants to ensure they are not adversely affected.

Additionally, it is important to consider the specific needs of your plants when using Epsom salt. Some plants may require more or less magnesium and sulfur than others, so it is important to research the specific needs of your plants and adjust the amount of Epsom salt accordingly.

Overall, adding Epsom salt to the soil around your plants can be a simple and affordable way to provide them with important nutrients for growth and development. However, it is important to use it in moderation and to consider the specific needs of your plants to ensure their health and vitality.

What plants do not like Epsom salt?

Epsom salt, chemically magnesium sulfate, is a common household remedy that is used for various purposes, including gardening. Many gardeners often use Epsom salt as a natural fertilizer and soil amendment as it is believed to help improve plant growth, root development, and stress tolerance. However, there are some plants and circumstances where the application of Epsom salt is not recommended.

One group of plants that do not like Epsom salt are those that grow in acidic soil. Magnesium sulfate is an alkaline compound that is capable of raising the soil pH. Therefore, in acidic soils, the application of Epsom salt can have the effect of increasing the alkalinity of the soil and making it less conducive to growing acid-loving plants such as blueberries, rhododendrons, camellias, and azaleas.

These plants prefer acidic soil conditions and would not benefit from the addition of Epsom salt.

Another group of plants that are not suitable for Epsom salt application are those that grow in areas with high levels of magnesium in the soil. Epsom salt is a rich source of magnesium, and in cases where the soil already has enough magnesium, adding more can lead to an overabundance of the mineral, which can be toxic to the plants.

Plants that do not like high levels of magnesium include ferns, sweet peas, and spinach.

Furthermore, some plants that require high levels of nitrogen do not benefit from Epsom salt application as it provides no nitrogen to the soil. Nitrogen is an essential nutrient for plant growth and development, and plants such as tomatoes, corn, and lettuce require high amounts of nitrogen to grow optimally.

Using Epsom salt as the sole fertilizer for these plants would likely lead to nutrient deficiencies, which may cause stunted growth, yellowing of leaves, and reduced yields.

While Epsom salt has many benefits, not all plants are suitable for its application. Gardeners should, therefore, carry out soil testing and select the right fertilizers for their respective plants to avoid nutrient imbalances, toxicity, and growth issues.

Can I put Epsom salt directly on soil?

Yes, you can put Epsom salt directly on soil. In fact, Epsom salt is a natural mineral compound that is specifically designed to help nourish plants and soil. It is known to promote healthy growth in plants and improve nutrient uptake, making it a great addition to your garden or indoor plants.

Epsom salt is made up of magnesium sulfate, which is highly soluble and easily absorbed into the soil. It helps promote root growth, increases chlorophyll production, and enhances the overall health of the plant. When applied directly to the soil, the salt will slowly dissolve and release the nutrients to the roots of the plants.

However, it is important to note that Epsom salt should be used in moderation and only when necessary. Too much of the salt can actually harm your plants and cause them to become burned or wilted. It is recommended that you follow the manufacturer’s instructions for application rates and frequency.

Using Epsom salt on soil is a great way to promote the healthy growth and development of your plants. Just be sure to use it in moderation and carefully follow the instructions for optimal results.

Can too much Epsom salt hurt plants?

Epsom salt, which is also known as magnesium sulfate, is commonly used as a natural fertilizer and soil amendment in gardening. It is especially useful for plants that require high levels of magnesium and sulfur. However, while Epsom salt can bring many benefits to plants, using too much of it can potentially harm them.

One of the main concerns with using too much Epsom salt is that it can cause a buildup of magnesium in the soil. This can lead to an imbalance of nutrients and ultimately affect the plant’s growth. Over time, excess magnesium can interfere with the uptake of other essential nutrients, such as calcium, potassium, and nitrogen.

This can result in a variety of symptoms, including stunted growth, yellowing leaves, and poor fruit development.

Another issue with using too much Epsom salt is that it can increase soil salinity. This is because magnesium sulfate is a salt, and excessive amounts of salts can disrupt soil structure and reduce the ability of plants to absorb water and nutrients. As a result, plants may become dehydrated, wilted, and susceptible to stress and disease.

In addition, using too much Epsom salt can also affect soil pH. Epsom salt has a neutral pH, but if used excessively, it can raise the pH of acidic soils or lower the pH of alkaline soils. This can make it more difficult for plants to absorb certain nutrients and cause certain micronutrient deficiencies.

So, while Epsom salt can be a valuable addition to a garden, it is important to use it in moderation and according to the specific needs of the plants being grown. A general rule of thumb for using Epsom salt is to apply one tablespoon per foot of plant height, once per month. However, it is always a good idea to test soil pH and nutrient levels regularly, and to consult with a gardening expert if you have any concerns about using Epsom salt.

By doing so, you can help ensure that your plants receive all the benefits of this natural fertilizer without suffering any negative consequences.

How do you make hydrangeas pink or blue?

The color of hydrangeas is determined by the pH level of the soil. If the soil is more acidic, the flowers will have a blue color, while more alkaline soil will result in pink flowers. The pH level of the soil can be adjusted depending on which color the gardener wants to achieve.

To make hydrangeas blue, the soil needs to be more acidic, with a pH level of approximately 5.0 to 5.5. This can be achieved by adding aluminum sulfate to the soil. Aluminum sulfate increases the acidity of the soil and makes it easier for the plant to absorb aluminum, which results in blue flowers.

To apply aluminum sulfate, it is recommended to use 1 tablespoon of the compound per gallon of water and apply it directly to the root zone of the plant. This can be done once a month during the growing season.

To make hydrangeas pink, the soil needs to be more alkaline, with a pH level of approximately 6.0 to 6.2. This can be achieved by adding lime to the soil. Lime is a white powder that neutralizes acidic soil and increases the pH level. To apply lime, it is recommended to use approximately 5 pounds of lime per 100 square feet of soil.

It is important to note that too much lime can damage the plant, so it is recommended to add small amounts and check the pH level of the soil regularly.

It is also possible to achieve a combination of blue and pink flowers on the same plant, by placing half of the root zone in acidic soil and the other half in alkaline soil. This is achieved by using a container with a divider or planting the hydrangea with another plant that has a different pH level preference.

The color of hydrangeas can be manipulated by adjusting the pH level of the soil. By making the soil more acidic through the use of aluminum sulfate, the flowers will be blue, while using lime to neutralize acidic soil results in pink flowers. A combination of both can also be done by placing half of the root zone in acidic soil and the other half in alkaline soil.

Resources

  1. What Can You Add to Your Soil to Get a Deeper Blue of …
  2. HOW TO TURN YOUR HYDRANGEAS BLUE
  3. Growing Blue Hydrangeas – Gardener’s Supply
  4. How To Change Hydrangea Color (Blue, Pink or Purple)
  5. How to Turn Pink Hydrangeas Blue – Espoma