Ilex opaca
American holly
Flower Color
Description
A large, upright, evergreen shrubby tree to a height of up to 15m, with oval-shaped soft matt olive-green or yellow-green, spiny or spine-free leaves. White flowers in late spring are followed by red, orange or sometimes yellow berries
Mature Height
12m
Mature Spread
8m
Plant Characteristics
Foliage
Evergreen
Growth Habit
Bushy
Growth Speed
Moderate · 0.3 m/yr
Soil Texture
SandLoamClay
Soil pH
NeutralAcid
Soil Moisture
Moist but well-drainedWell-drained
Hardiness (RHS)
H0
Hardiness (USDA)
Zones 5-9
Flowering Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Key Features
ArchitecturalCottage and informal gardenWildlife gardensLow MaintenanceHedging and screens