Haas� Halo Smooth Hydrangea
Haas� Halo Smooth Hydrangea (Hydrangea arborescens 'Haas' Halo')
Haas� Halo Smooth Hydrangea (Hydrangea arborescens 'Haas' Halo') is a deciduous flowering shrub renowned for its massive, pure white mophead flower clusters that bloom from early to mid-summer. This cultivar is celebrated for its vigorous growth and striking floral display, making it a standout in any landscape.
Distinctive Features
'Haas' Halo' produces large, dense clusters of pure white, mophead flowers that create a bold and elegant focal point. The dark green foliage provides a lush backdrop and maintains visual interest throughout the growing season.
Growing Conditions
- Sun Exposure: Full sun to partial shade; prefers some afternoon shade in hot climates
- Soil: Moist, well-drained, fertile soils rich in organic matter
- Water: Moderate; consistent moisture encourages best flowering
- USDA Hardiness Zones: 3�9
Ideal Uses
- Mixed Borders: Adds dramatic summer color and texture
- Foundation Plantings: Provides striking floral interest near structures
- Cut Flowers: Long-lasting blooms are excellent for floral arrangements
- Specimen Planting: Creates a bold focal point in gardens
- Wildlife Gardens: Attracts pollinators such as bees and butterflies
Low Maintenance Care
- Watering: Keep soil evenly moist, especially during dry spells
- Pruning: Prune in late winter or early spring to promote vigorous growth and abundant blooms
- Fertilizing: Apply balanced fertilizer in spring to support flowering
- Mulching: Mulch to conserve moisture and suppress weeds
- Protection: Plant in sheltered locations to avoid damage from harsh winds
Why Choose Haas� Halo Smooth Hydrangea?
- Pure White Mophead Flowers: Provides bold and elegant summer blooms
- Vigorous Growth: Rapidly establishes for quick landscape impact
- Long Blooming Period: Flowers from early summer into fall
- Pollinator Friendly: Attracts bees and butterflies
- Low Maintenance: Easy to grow and maintain
Hydrangea arborescens 'Haas' Halo' is a reliable, showy shrub that enhances gardens with impressive floral displays and lush foliage.

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