§1 Plant
Ilex crenata Thunb.
vernacular Japanese holly — species · Aquifoliaceae
§2Habit & range
Habit and range
- Growth habit
- Shrub, Tree
- Duration
- Perennial
- Group
- Dicot
- Family
- Aquifoliaceae Bercht. & J. Presl
- Genus
- Ilex
§2a
Native status, by region
- L48 Lower 48 States Introduced
§2b
County-level range
· 19 counties across 5 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- Low
- Moisture use
- Medium
- Fire
- None
- Salinity
- None
- Anaerobic
- None
- CaCO₃
- None
- Hedging
- Medium
§3b
Climate & soil
- Cold tolerance
- -13 °F minimum
- Frost-free days
- 160 min.
- Precipitation
- 35–55 in/yr
- pH range
- 4.5–5.5
- Root depth
- 10 in min.
- Fertility need
- Medium
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Multiple Stem
- Growth rate
- Slow
- Lifespan
- Long
- Mature height
- 10 ft
- Height @ 20 y
- 4 ft
- Foliage texture
- Fine
- Foliage colour
- Dark Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Dense
- Flower colour
- Yellow
- Fruit colour
- Black
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Mid Spring
- Seed abundance
- Medium
- Seed begins
- Spring
- Seed ends
- Summer
- Spread rate
- None
- Stratify
- Yes
- Seeds / lb
- 29,000
- Propagation
- cuttings, bare root, container
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- Yes
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 19 counties across 5 states/territories.
District of Columbia view state ↗ 1 I ▾
Louisiana view state ↗ 1 I ▾
New Jersey view state ↗ 9 I ▾
New York view state ↗ 6 I ▾
Ohio view state ↗ 2 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/ILCR2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5414239 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T09:28:40Z