Science · High-Value Shrubs
Bougainvillea
Vivid color that blooms best when kept on the dry side; overwatering is its main enemy.
Bougainvillea spp. · Flowering vine/shrub
Profile
- Zones
- USDA 9–11
- Size
- 3–30 ft
- Sun
- Full sun
Water & soil targets
- Moisture (VWC)
- ~10–18%
- Salinity tolerance
- Moderate
- Drought tolerance
- Excellent
Mild dryness triggers more flowering.
Problems to watch
- Bougainvillea looper
- Root rot
- Aphids
Stress signs
- Lush leaves but no flowers (too much water)
Where you'll find it
- Resorts
- Walls and entries
More high-value shrubs
All Science profilesGeneral agronomic guidance and typical ranges; actual targets vary by site, soil, climate and season.