Quick Answer: How Do You Care For Oakleaf Hydrangeas?

Sun and Soil Needs

In the North, oakleaf hydrangeas can get by with less shade.

Too much shade may reduce the intensity of their fall-foliage color.

Grow them in well-drained soil with a slightly acidic soil pH and plenty of compost.

The more sunlight they get, the more you should be watering them.

Should I deadhead my oakleaf hydrangea?

As long as you do not cut any stems that have not bloomed, leaving healthy buds intact, they should be okay. Prune weak stems to the ground and cut or deadhead spent flowers and stems to the last bud. Oakleaf Hydrangea (H. quercifolia) gets its name from the oakleaf-shaped leaves.

What is the best fertilizer for oakleaf hydrangeas?

Use a 10-10-10 granular fertilizer. Apply the fertilizer at a rate of 1.5 ounces for every 10 feet. Broadcast the fertilizer around the oak leaf hydrangea once in the spring and once in the summer.

When should oakleaf hydrangeas be pruned?

Oakleaf hydrangeas bloom on the previous season’s growth, so prune right after flowering in the fall or in early winter.

  • Prune the older growth from oakleaf hydrangeas after the shrub flowers.
  • Make cuts with sharp pruning shears at the base of each branch where it meets the main stalks.

Why are my oak leaf hydrangeas not blooming?

Oakleaf hydrangeas (Hydrangea quercifolia) are native to the southeastern United States and are valued for their large clusters of flowers and oak-like leaves. A lack of blooms is usually caused by improper pruning practices or inadequate water.

Should I cut off Brown hydrangea leaves?

If the margins of the leaves fade from green to grey and then turn brown, the plants were dry for too long. If the petals of the flowers turn brown at the tip, not enough water was applied. Too much sun exposure can cause your hydrangea shrubs to burn on its leaves and blooms.

Do oakleaf hydrangeas need a lot of sun?

Most hydrangea species like sun, but not all day, every day. Experts at the United States National Arboretum recommend planting hydrangeas where they get full sun in the morning and some shade in the afternoon. Alternatively, plant shrubs where they get dappled sunlight all day long.

Do Hydrangeas like coffee grounds?

If you’re growing hydrangeas, use coffee grounds to affect their color. Coffee grounds add extra acidity to the soil around hydrangeas. On a chemical level, this increased acidity makes it easier for the plant to absorb naturally occurring aluminum in the dirt. The effect is pretty blue clusters of flowers.

Are Epsom salts good for hydrangeas?

The short answer is yes it will – Epsom Salts is Magnesium sulfate and Sulfur is the mineral that we apply to the soil to lower the pH. This is also the reason that one will find most container grown hydrangeas in a soil-less mix with pink flowers unless they have been given fertilizers containing Aluminum sulfate.

How fast do Oakleaf hydrangeas grow?

Oakleaf Hydrangea and Four-Season Interest

Oakleaf hydrangea’s year-long parade starts in spring when dark green leaves unfurl. Depending on the variety, the oak-like leaves can grow up to 12 inches wide.