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.
What is the best fertilizer for oak leaf 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.
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.
What is the best fertilizer for hydrangea bushes?
A good all purpose 12-4-8 or 10-10-10 composition will provide all the fertilizing hydrangeas need. Either a chemical source or organic matter can be used successfully. Applying a once a year slow-release chemical formulated for shrubs and trees is the simplest solution to hydrangea care and feeding.
When should hydrangea bushes be fertilized?
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.
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.
Why does my oakleaf hydrangea not bloom?
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.
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.
When should you plant oakleaf hydrangeas?
Oakleaf hydrangeas can be grown from cuttings from mature shrubs, but you can generally find the shrubs in three-gallon pots at your local garden center; these can easily be planted straight into your garden, explains Zawojski. He recommends planting during spring, early summer, or early to late fall.
Do hydrangeas like Miracle Gro?
All-purpose Miracle-Gro fertilizer is well suited for hydrangeas. Mix the Miracle-Gro fertilizer with water according to package instructions for the size of your hydrangea shrubs. Apply the Miracle-Gro fertilizer every other time you water, about every two to three weeks.
How do I get more flowers on my hydrangea?
How to Get More Smooth Hydrangea Flowers:
- Plant smooth hydrangeas in full sun if the soil stays moist. …
- Water them during times of drought, especially during the heat of summer.
- Amend the soil with organic matter (such as compost).
- Prune stems back in early spring, just before new growth emerges.
Should you feed hydrangeas?
Add a handful or Vitax Hydrangea Feed to the soil, or compost if growing in a pot, when planting. This provides all the essential nutrients for healthy growth and beautiful blooms. Most hydrangeas will grow in an open sunny situation, but prefer light shade.
Should you fertilize newly planted hydrangeas?
Although established hydrangeas require two to three fertilizer treatments per year, newly planted bushes don’t usually require additional fertilization the first year. Bigleaf hydrangeas produce blue or pink flowers depending on the soil acidity.
Should you fertilize hydrangeas after planting?
Fertilize your Hydrangeas annually in late winter or very early spring with a slow-release shrub & tree food. Alternatively, you can feed with a natural organic plant food. … Late fertilization of hydrangeas produces lots of lush, tender growth at a time when plants should be preparing for winter dormancy.