Science · High-Value Shrubs
Hydrangea
Large-flowered shrubs whose name means 'water vessel' — high water demand and fast wilting in heat.
Hydrangea spp. · Flowering shrub
Profile
- Zones
- USDA 3–9
- Size
- 3–10 ft
- Sun
- Morning sun, afternoon shade
Water & soil targets
- Moisture (VWC)
- ~24–32%
- Salinity tolerance
- Poor
- Drought tolerance
- Poor
Afternoon wilt can be normal; morning wilt means real water stress.
Problems to watch
- Leaf spot
- Powdery mildew
- Scorch
Stress signs
- Morning wilting
- Brown flower edges
Where you'll find it
- Resort gardens
- Clubhouses
- HOA entries
More high-value shrubs
All Science profilesGeneral agronomic guidance and typical ranges; actual targets vary by site, soil, climate and season.