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Merritt's Supreme Hydrangea: The Ultimate Guide


merritt's supreme hydrangea
Table of Contents

Merritt's Supreme Hydrangea is a popular flowering shrub that is loved by many gardeners for its large, vibrant blooms and easy maintenance. In this guide, we'll take a closer look at this beautiful plant and everything you need to know to care for it.

What is Merritt's Supreme Hydrangea?

Merritt's Supreme Hydrangea, also known as Hydrangea macrophylla 'Merritt's Supreme', is a deciduous shrub that typically grows between 4 and 6 feet tall and wide. It is characterized by its large, rounded clusters of flowers, which can range in color from pink to blue depending on the soil pH.

Appearance

The leaves of Merritt's Supreme Hydrangea are dark green and glossy, with a serrated edge. The flowers are large and showy, with a diameter of up to 12 inches. They are composed of smaller individual flowers, giving them a fluffy appearance.

Cultivation

Merritt's Supreme Hydrangea is a hardy plant that is relatively easy to grow. It prefers moist, well-draining soil and partial shade, although it can tolerate full sun in cooler climates. It is important to keep the soil consistently moist, but not waterlogged, as this can lead to root rot.

How to Care for Merritt's Supreme Hydrangea

Planting

When planting Merritt's Supreme Hydrangea, choose a location with well-draining soil and partial shade. Dig a hole that is twice as wide as the root ball and just as deep. Gently loosen the roots and place the plant in the hole, making sure it is level with the surrounding soil. Fill in the hole with soil and water thoroughly.

Watering

Merritt's Supreme Hydrangea prefers consistently moist soil, so it is important to water it regularly. Water deeply once or twice a week, depending on the weather and soil conditions. Avoid getting water on the leaves, as this can lead to fungal diseases.

Fertilizing

Merritt's Supreme Hydrangea benefits from regular fertilization during the growing season. Use a slow-release fertilizer formulated for acid-loving plants, such as azaleas and rhododendrons. Apply according to the manufacturer's instructions.

Pruning

Merritt's Supreme Hydrangea should be pruned in late winter or early spring before new growth appears. Remove any dead or damaged wood, as well as any branches that are crossing or rubbing against each other. To promote larger blooms, you can also selectively remove some of the older stems.

Pest and Disease Control

Merritt's Supreme Hydrangea is relatively pest and disease resistant, but it can still be affected by common garden problems. Watch out for aphids, spider mites, and powdery mildew, and treat promptly if necessary.

Other Varieties of Hydrangea

Hydrangea paniculata

Hydrangea paniculata, also known as panicle hydrangea, is a large shrub or small tree that produces cone-shaped clusters of white or pink flowers. It is more tolerant of full sun and drought than other hydrangea varieties.

Hydrangea quercifolia

Hydrangea quercifolia, or oakleaf hydrangea, is a deciduous shrub that gets its name from the shape of its leaves. It produces cone-shaped clusters of white flowers in early summer.

FAQs

1. Can I grow Merritt's Supreme Hydrangea in a container?

Yes, Merritt's Supreme Hydrangea can be grown in a large container as long as it has plenty of room for its roots to spread out. Use a high-quality potting mix and water regularly.

2. How often should I fertilize my Merritt's Supreme Hydrangea?

Merritt's Supreme Hydrangea benefits from regular fertilization during the growing season. Apply a slow-release fertilizer formulated for acid-loving plants according to the manufacturer's instructions.

3. How do I change the color of my Merritt's Supreme Hydrangea blooms?

The color of Merritt's Supreme Hydrangea blooms can be changed by altering the soil pH. To make the blooms more blue, add aluminum sulfate to the soil. To make them more pink, add lime.

4. Why are the leaves on my Merritt's Supreme Hydrangea turning yellow?

Yellowing leaves on Merritt's Supreme Hydrangea can be caused by a variety of factors, including overwatering, underwatering, nutrient deficiencies, and pest or disease problems. Check the soil moisture and fertilization levels, and inspect the plant for signs of pests or diseases.

5. When is the best time to prune my Merritt's Supreme Hydrangea?

Merritt's Supreme Hydrangea should be pruned in late winter or early spring before new growth appears. Remove any dead or damaged wood, as well as any branches that are crossing or rubbing against each other. To promote larger blooms, you can also selectively remove some of the older stems.


Merritt's Supreme Hydrangea is a beautiful and easy-to-care-for plant that adds color and interest to any garden. By following these tips for planting, watering, fertilizing, pruning, and pest control, you can enjoy healthy, vibrant blooms season after season.


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Merritt Supreme hydrangea blooming in my garden Blooms are the size of


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Pin on Lulebora


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How to Care for Merritts Supreme Hydrangeas With images


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18 Big leaf Hydrangeas MN ideas big leaf hydrangea hydrangea


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Gorgeous hydrangeas Hydrangea Gorgeous Style


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Merritts Supreme is a bigleaf hydrangea that produces rose or


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