Let’s dive into the care and maintenance of the stunning Incrediball® Hydrangea. Known for their large, showy blooms and robust growth, these plants are a perfect addition to any garden. Here’s everything you need to know to help your Incrediball® Hydrangeas thrive.
Growing Zones and Spacing
USDA Hardiness Zones: 4-8 (potentially hardy to zone 3 in a suitable microclimate)
Spacing: Plant Incrediball® Hydrangeas 5-6 feet apart to create beautiful privacy hedges
Planting and Transplanting
Best Time to Transplant: Early spring when the shrubs are dormant
For Established Plants: Prune the top growth by one-third post-transplant to encourage rooting
Light Requirements
Optimal Light: Full sun to partial shade
In Hot Climates: Provide afternoon shade
In Cooler Climates: Full sun is ideal, aiming for at least 6 hours of direct sunlight
Soil Needs
Soil Type: Rich garden soil with a pH of 5.0 to 7.0
Note: Flower color is not affected by soil pH for this variety; flowers start white and age to a jade-like color
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Watering
Initial Watering: Thorough weekly watering until well established
Drought Tolerance: Surprisingly drought-tolerant once established
Tip: Mulch helps retain soil moisture, but ensure regular watering if rainfall is low
Temperature and Humidity
Ideal Temperature: Around 70°F during the day and below 60°F at night
Bud Development: Requires six weeks of temperatures below 65°F
Fertilizing
Fertilizer Type: 15-30-15 formula in the springtime
Application: Follow product label instructions for the correct amount
Pruning
When to Prune: Early spring as new growth starts
Method: Prune by one-third its height, or cut to the ground in fall for new spring growth
Common Issues
Diseases: Generally pest-free, but watch for powdery mildew; treat with fungicide if necessary
Blooming Tips
Sunlight: Ensure at least 6 hours of direct sunlight for best blooms
Fertilizer: Use high-phosphorus fertilizer to promote blooming
Pruning: Avoid late or excessive pruning in spring to prevent removing flower buds
FAQ
Container Growing: Not practical due to the shrub’s size; best planted in the ground of your landscape
Deadheading: Not necessary unless for aesthetic purposes
Flower Color: Blooms start white and fade to chartreuse green as they age
Other Smooth Hydrangea Varieties
Incrediball Blush: Blush-pink flowers that mature to green
Annabelle: Pure white, large flower heads
Haas’ Halo: Large lace-cap white flowers, great for pollinators
Hayes Starburst: Dome-shaped, white to greenish-white blooms, reaching 2-4 feet in height
Transform your garden with the incredible beauty of Incrediball® Hydrangeas. Visit Applewood Nursery & Landscape Supply today to pick up your plants and get expert advice from our knowledgeable staff!