How to Grow Flare Hydrangea - Plant Care & Tips

By NorwichGardener Team   /   2024

Flare hydrangea is a plant that is native to japan and china. It is a deciduous shrub that can grow to be about 6 feet tall and 8 feet wide. The leaves of the flare hydrangea are oval shaped and have a toothed margin. The flowers of the flare hydrangea are white and they grow in clusters. The flare hydrangea blooms from late spring to early summer.

How to Grow Flare Hydrangea - Plant Care & Tips

Also known as

  • Seven-bark
  • Tickseed
  • Buttonbush
  • Arrowwood
  • Snowberry

Good to Know

  • Flare hydrangeas are a type of perennial flowering plant.
  • They are native to East Asia, and their scientific name is Hydrangea integrifolia.
  • They are commonly grown as ornamental plants.
  • The flowers of flare hydrangeas are typically white, but can also be pink or blue.
  • The flowers are borne on large, cone-shaped inflorescences.
  • The leaves of flare hydrangeas are large and ovate-shaped.
  • The plant can grow to a height of 2-3 meters.
  • The flowering season for flare hydrangeas is from June to August.
  • They are generally propagated by division or by rooting stem cuttings.
  • The main pests and diseases that affect flare hydrangeas are scale insects and powdery mildew.

How to Grow

  1. For flare hydrangea, first step is to soak the roots in lukewarm water for about an hour.
  2. After that, dig a hole that is twice the size of the root ball.
  3. Place the root ball into the hole and fill it up with half of the soil.
  4. Tamp the soil down lightly.
  5. Fill up the hole with the remaining soil and tamp it down again.
  6. Water the plant thoroughly.
  7. Place the plant in an area that gets full sun to partial shade.
  8. Fertilize the plant once a month during the growing season.
  9. Prune the plant in late winter or early spring.
  10. Enjoy your beautiful flare hydrangea!

The Soil

About soil condition, flare hydrangea grows best in moist, well-drained soils, but will tolerate some degree of drought. It prefers full sun to partial shade, but can also withstand full shade. The soil should be rich in organic matter, and the pH should be slightly acidic to neutral.

About light

So, like the other hydrangeas, the flare hydrangea thrives in sunny spots. It grows best in soil that is moist and well-drained. This plant does not like to be in standing water, so make sure the spot you choose is not prone to flooding. The flare hydrangea is a beautiful addition to any garden.

Ideal Temperature

The temperature condition that is most favorable for the growth of flare hydrangea is moderate to high temperature. The plant can tolerate a wide range of temperatures, but it grows best in warm conditions. Flare hydrangea is a tropical plant, so it is not tolerant of cold temperatures. If the temperature drops below freezing, the plant will die.

Ideal Humidity

Ideal humidity condition for this plant is 50%. If the humidity is too low, the leaves will start to curl and the plant will look wilted. If the humidity is too high, the leaves will start to turn yellow and drop off.

Fertilizer Requirement

Discussing fertilizer, this plant does best with a root fertilizer in early spring and then a regular fertilizer throughout the growing season. A root fertilizer helps the plant to develop a deep and extensive root system, which is important for the plant's overall health and vigor. A regular fertilizer helps the plant to produce more flowers and leaves, and to generally stay healthy.

Plant Pruning

Pruning flare hydrangeas is important to maintaining the health and beauty of the plant. flare hydrangeas are best pruned in the spring, after the last frost. The best way to prune flare hydrangeas is to remove any dead or dying branches, as well as any branches that are crossing or rubbing against each other. You should also prune to shape the plant, removing any branches that are too long or out of proportion with the rest of the plant.

About Propagating

Propagation of flare hydrangea is best done through softwood cuttings taken in late spring or early summer. Cuttings should be taken from new growth that is 6-8 inches long and includes 2-3 leaf nodes. Cuttings should be placed in a well-draining soil mix and kept moist until roots have developed. Once roots have developed, the plant can be transplanted into a garden bed or container.

Growth Speed

Usually, the plant growth rate is considered to be fast. Under the right conditions, they can grow up to 24 inches in a season. The soil should be moist but not soggy, and the plant should be in a location that receives at least six hours of sunlight each day.

Common Problems

Common problems for this kind of plant are that the leaves may turn yellow and the plant may not bloom. These problems are usually caused by incorrect watering or too much direct sunlight. To fix these problems, make sure to water your flare hydrangea regularly and provide it with indirect sunlight.

Basics of Growing

  • Do not forget to water your plant regularly. Flare hydrangea needs at least 1 inch of water per week.
  • Fertilize your plant every month using a balanced fertilizer.
  • Place your plant in an area where it will receive partial sun to full sun.
  • Prune your plant regularly to encourage new growth.
  • Inspect your plant regularly for pests and diseases.
  • When transplanting, be sure to dig a hole that is twice the size of the root ball.
  • Amend the soil with compost or organic matter before planting.
  • Mulch around your plant to help retain moisture and keep weeds at bay.
  • Stake tall plants to prevent them from toppling over.
  • Enjoy the beautiful blooms of your flare hydrangea all season long!

Substitution

  • Sporobolus
  • Solanum
  • Solanum
  • Solanum
  • Solanum
  • Solanum
  • Solanum
  • Solanum
  • Solanum
  • Solanum

Source:
Hydrangea - North Carolina Extension Gardener Plant Toolbox
Growing Hydrangeas - Center for Agriculture, Food, and the …
Selecting Hydrangeas for the Home Landscape | Ohioline

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