Should oak leaf hydrangeas be fertilized?
To encourage healthy growth, fertilize your oakleaf hydrangea each spring with a general-purpose garden fertilizer and top dress with fresh compost. Unlike mophead-style hydrangeas, oakleaf hydrangeas won’t change their flower color based on soil acidity, so there’s no need to monitor or alter the pH of your soil.
How do you feed oak leaf hydrangeas?
Feed your oakleaf in early spring each year with the same fertilizer or a flower-enhancing fertilizer such as Pennington UltraGreen Color Blooms & Bulbs Plant Food 15-10-10. Then feed it again four months later, in midsummer.
Are oakleaf hydrangeas acid loving?
As with many plants that live on the organic matter rich floor of the forest, oakleaf hydrangeas prefer a slightly acidic soil: with an ideal pH range of 5.0–6.5.
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. Both can be remedied with ease.
Where is the best place to plant an oakleaf hydrangea?
Oakleaf Hydrangea Care
This shrub will do best when planted in a slightly acidic, rich, well-draining soil in full sun or part shade. It thrives in moist soil; a thick layer of mulch over the root zone will help retain soil moisture.
How much sun do oakleaf hydrangeas need?
Oakleaf hydrangeas bloom best where summers are hot but prefer some afternoon shade. It its more northern range it can be planted in full sun. The greater the sun exposure the more prolific are the blooms and you’ll get the most spectacular fall color.
How far apart should you plant oakleaf hydrangeas?
Quick Reference Growing Guide
|Plant Type:||Flowering woody shrub||Flower / Foliage Color:|
|Spacing:||3-10 feet apart, depending on cultivar||Soil Drainage:|
|Planting Depth:||Same as container depth||Water Needs:|
|Height:||2-12 feet, depending on cultivar||Companion Planting:|
|Spread:||2-12 feet, depending on cultivar||Uses:|
When should you cut back oakleaf hydrangea?
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. Take one-third of the total growth or less to avoid cutting off next year’s blossoms.
When should I prune oak leaf hydrangea?
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.
What kind of fertilizer is 10/10 10?
10-10-10 FERTILIZER – These three numbers represent the primary nutrients: nitrogen, phosphorus, and potassium. A bag of 10-10-10 fertilizer contains 10% nitrogen, 10% phosphate, and 10% potash. This is considered a national standard. EASY TO USE – Simply dilute Bonide Liquid Plant Food with water before application.
How do I amend oakleaf hydrangea?
Loosen soil by digging in peat moss, or mulch around the outside edge of the plant. Put your oakleaf on a more frequent watering schedule. Once shrubs have reached mature size, they need less active care than annuals.
Will hydrangeas grow under oak trees?
Unless the shrubs are planted in a raised bed that sits above the root system of trees, avoid planting hydrangeas directly beneath trees where they must compete for water and nutrition. The shrubs grow best in soil that contains plenty of organic material and good drainage.
Do you fertilize hydrangeas?
Generally, you should fertilize your hydrangeas in Spring just when it begins to leaf out to give it an early-season boost. Fertilize them a second time during the growing season of July. The fast-release fertilizers require application twice in summer.
How often do oakleaf hydrangeas bloom?
Native to the southeastern part of the country, oakleaf hydrangeas (Hydrangea quercifolia) are attractive all year long. These hydrangea shrubs bloom in spring and early summer. The panicle flowers are greenish white when they are young, picking up subtle shades of pink and brown as they age.
Do coffee grounds help hydrangeas?
If you’re growing hydrangeas, use coffee grounds to affect their color. Coffee grounds add extra acidity to the soil around hydrangeas. … Seedlings thrive off the nitrogen content in coffee, so give them a boost by making a natural fertilizer from the grounds.