Japanese Holly (Crenata)

The Japanese Holly (Crenata) is generally described as a perennial tree or shrub. This is not native to the U.S. (United States) and has its most active growth period in the spring and summer . The greatest bloom is usually observed in the mid spring, with fruit and seed production starting in the spring and continuing until summer. Leaves are retained year to year. The Japanese Holly (Crenata) has a long life span relative to most other plant species and a slow growth rate. At maturity, the typical Japanese Holly (Crenata) will reach up to 10 feet high, with a maximum height at 20 years of 4 feet.

The Japanese Holly (Crenata) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, cuttings. It has a none ability to spread through seed production and the seedlings have low vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -13°F. has medium tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Slow
General Type Tree, Shrub
Growth Period Spring, Summer
Growth Duration Perennial
Lifespan Long
Plant Nativity Introduced to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Mid Spring
Displays Fall Colors No
Shape/Growth Form Multiple Stem
Drought Tolerance Medium
Shade Tolerance Tolerant
Height When Mature 10
Vegetative Spread None
Flower Color Yellow
Flower Conspicuousness No
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Spring Summer
Seed Spread Rate None
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Cuttings
Moisture Requirements Medium
Cold Stratification Required Yes
Minimum Temperature -13
Soil Depth for Roots 10
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability Yes
Responds to Coppicing Yes
Growth Requirements
pH Range 4.5–5.5 pH
Precipitation Range 35–35 inches/yr
Planting Density 1100–1800 indiv./acre
Soil Textures Coarse, Medium
Soil Depth for Roots 10
Minimum Frost-Free Days 160 day(s)
Salinity Tolerance None
CaCO3 Tolerance None
Sustainability & Use
Leaf Retention Yes
Fire Resistant No

Source: USDA, NRCS, PLANTS Database, plants.usda.gov.
National Plant Data Center, Baton Rouge, LA 70874-4490 USA