Silverleaf Hydrangea

Hydrangea radiata

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Hydrangeaceae
Genus:
Hydrangea
Species:
Hydrangea radiata

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
8-12 ft
Light Requirements:
Part Shade
Drought Tolerance:
High
Bloom Months:
may, jun, jul
Bloom Colors:
White
Landscaping Shrub:
Yes

Native Range

United States: Georgia, North Carolina, South Carolina, Tennessee

Keystone Species Ranking

Caterpillar Keystone:
★★★★☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Host Plant for Caterpillars

Antispila hydrangaeella

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 6.5 (slightly acidic)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers organic matter-rich environments

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: OpenAI GPT-4o