Rockspray Cotoneaster (Horizontalis)

The Rockspray Cotoneaster (Horizontalis) is generally described as a perennial shrub. This is not native to the U.S. (United States) and has its most active growth period in the spring and summer and fall . The Rockspray Cotoneaster (Horizontalis) has green foliage and inconspicuous white flowers, with a moderate amount of conspicuous red fruits or seeds. The greatest bloom is usually observed in the spring, with fruit and seed production starting in the summer and continuing until fall. Leaves are retained year to year. The Rockspray Cotoneaster (Horizontalis) has a moderate life span relative to most other plant species and a rapid growth rate. At maturity, the typical Rockspray Cotoneaster (Horizontalis) will reach up to 4 feet high, with a maximum height at 20 years of 1 foot.

The Rockspray Cotoneaster (Horizontalis) 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 medium vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -28°F. has medium tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Rapid
General Type Shrub
Growth Period Spring, Summer, Fall
Growth Duration Perennial
Lifespan Moderate
Plant Nativity Introduced to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Spring
Displays Fall Colors No
Shape/Growth Form Thicket Forming
Drought Tolerance Medium
Shade Tolerance Tolerant
Height When Mature 4
Vegetative Spread Slow
Flower Color White
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Summer Fall
Seed Spread Rate None
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Cuttings
Moisture Requirements Medium
Cold Stratification Required Yes
Minimum Temperature -28
Soil Depth for Roots 16
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 5.5–7 pH
Precipitation Range 32–32 inches/yr
Planting Density 1200–4800 indiv./acre
Soil Textures Medium
Soil Depth for Roots 16
Minimum Frost-Free Days 100 day(s)
Salinity Tolerance None
CaCO3 Tolerance Medium
Sustainability & Use
Leaf Retention Yes
Palatability Low
Fire Resistant No

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