Should you cut back oakleaf hydrangea?

Pruning oakleaf hydrangeas can also help establish a full shrub. Pinch back new growth or else trim older growth if this is your intent. Since these shrubs bloom on the prior year’s growth, don’t prune them until they bloom. This gives them time to grow new buds that will bloom again the following summer.

How do I get more blooms on my oakleaf hydrangea?

Dig 2 to 4 inches of compost, moistened peat moss or manure into the soil to a depth of 8 inches prior to planting oakleaf hydrangea. These amendments improve drainage and add nutrients, which can promote healthy growth and blooms.

When should you trim back oakleaf hydrangeas?

Pruning ideally should be done just after the blooms start to fade. Ellie’s plant did not bloom this year so she should rely on seeing other plants in the area. A light pruning in late winter or spring to start reshaping may be her best option with a more drastic cutting back next season after she enjoys the blooms.

How do you divide oak leaf hydrangeas?

Use a sharp garden spade to divide an 8- to 12-inch section of stems and roots from the main bush. Dig the spade into the root mass to sever the roots cleanly. Push a dirt shovel into the soil just beyond the edge of the root mass of the separated clump.

Do oakleaf hydrangeas bloom on old wood?

Pruning Oakleaf Hydrangeas But oakleaf hydrangeas flower on old wood carried over from the year before. The buds that become striking oakleaf flowers form on stems in the summer before you enjoy those blooms. Always prune oakleaf hydrangeas immediately after they finish flowering, before next year’s buds can form.

When should hydrangeas be cut back?

Cut back in early spring, pruning last year’s growth back to a healthy framework that’s between 30cm and 60cm high. Prune to just above a pair of healthy buds on each stem. Cut back to the lowest healthy buds for big flowers or less hard for a natural look or a taller plant.

Do oakleaf hydrangeas bloom on new or old wood?

What is the best fertilizer for oakleaf hydrangeas?

Oak leaf hydrangea performs best in shade with fertile, moist soil, though it does tolerate sun when given proper care.

Perform a soil test using a kit available at hardware stores, garden centers and through university extension offices.
Adjust your soil pH as needed.
Use a 10-10-10 granular fertilizer.

Can I cut back hydrangeas in the spring?

In late winter or early spring, these shrubs can be cut all the way back to the ground. Smooth hydrangeas will produce much larger blooms if pruned hard like this each year, but many gardeners opt for smaller blooms on sturdier stems.

How to care for an oak leaf hydrangea?

How to Care for Oak Leaf Hydrangea Sunlight and Water. Oak leaf hydrangeas grow well in partial shade, but may need extra shade in hot climates. Fertilization Needs. Oakleaf hydrangeas have minimal fertilization needs, asserts the North Carolina Department of Horticultural Science. Pruning Oakleaf Hydrangeas. Oakleaf hydrangeas require little pruning. Winter Protection. Possible Problems.

When to plant a rooted oakleaf hydrangea?

Plant new oakleaf hydrangea either in the late fall or early spring when the plant is dormant and it won’t be stressed by higher temperatures. Fall foliage color is attractive-the leathery leaves turn purple, orange-bronze, or red. The peeling, exfoliating branches also provide winter color and texture.

When to prune oakleaf hydrangeas?

How to Prune Oakleaf Hydrangeas. Choose a day to prune the oakleaf hydrangea shrub after a blooming period but before the oakleaf hydrangea sets blooms for next year. This will normally be in June or July but no later than August 1. Step back and look at the shrub to see what limbs need to be removed in order for the plant to retain a natural shape.

Does oakleaf hydrangea need acid soil?

Oak leaf hydrangea prefers acidic soil pH between 5.5 and 6.5 . Adjust your soil pH as needed. Wood ash or agricultural lime will raise the pH and make soil more alkaline. Elemental sulfur or liquid soil acidifiers lower the pH, making the soil acidic.