Armstrong Garden Centers Sister Theresa Hydrangea
Best versatile shrub for gardeners seeking vibrant, long-lasting seasonal color.
These globe-shaped blooms bring a dramatic, painterly contrast to any garden border with their shifting pink and blue hues. While they demand consistent moisture to keep that lush foliage happy, the trade-off is a fast-growing, reliable showstopper that thrives even in urban environments.
$49.99
at
Armstrong Garden Centers (Shop)
Who it's for
- Landscape designers filling shaded or understory garden spots
- Gardeners seeking consistent, reliable white floral displays
- Homeowners wanting long-lasting color throughout the summer and fall
Who should skip it
- Gardeners in humid climates lacking optimal air circulation
- Busy gardeners unable to commit to frequent, consistent watering
- Beginners intimidated by specific pruning and frost protection needs
Performance breakdown
Bloom Impact
Large, globe-shaped flowers provide a dramatic focal point for any garden.
Growth Velocity
Fast-growing habit fills out landscape gaps in a single season.
Design Versatility
Adapts seamlessly to containers, mass plantings, or standalone accent spots.
Maintenance Demand
Requires consistent moisture and specific soil conditions to truly thrive.
Urban Resilience
Robust enough to handle city pollution while maintaining lush foliage.
Wildlife Vulnerability
Lack of deer resistance necessitates protection in rural or woodland settings.
Key Specs
Mature Height
5 feet
Mature Width
5 feet
Foliage Type
Deciduous
Bloom Time
Mid Summer to Early Fall
Light Needs
Full Sun, Partial Shade
Pruning Time
Prune After Flowering
Water Needs
High
Hardiness Zone
Zone 5
Soil Type Preference
Well-Drained, Acidic
Growth Rate
Fast
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