Shrub
Rockspray Cotoneaster
Cotoneaster horizontalis
Features
Small, pale pink flowers in spring; summer leaves are lustrous; small, bright red fruit in late summer and autumn; autumn color is reddish, although leaves may fall off green; winter branches have an interesting 'fish bone' pattern.
Culture
Full sun; prefers a moist, well-drained soil, but can tolerate dryness; tolerates alkaline soil, somewhat tolerant of salt.
Cultivars
- 'Robustus' - 3 feet tall, fruits heavily.
Mature Height
2-3 Feet
Size
Small
Mature Width
5-6 Feet
Mature Form
Low growing, with horizontally spreading branches that give the plant a layered look.
Native To:
China
USDA Hardiness Zone
5 - 7
Soil Conditions
Dry
Moist, Well-Drained
Tolerance
Alkaline Soil
Dry Sites
Salt
Wind
Exposure/Light Requirements
Full Sun
Uses
Border
Foundation
Specimen
Foliage Color
Green
Fall Foliage Color
Orange
Red
Yellow
Pests and Problems
Bacterial Disease
Environmental Damage
Insect Damage
Insect Relative Damage
Additional pests and problems that may affect this plant:
Spider mites,scale insects, fireblight and leaf spots are common problems.
Additional Notes
This shrub can be used as a ground cover.
Related Resources
Home, Yard & Garden Pest Guide
The Home, Yard & Garden Pest Guide (C1391) provides is written for homeowners and other residents and provides nonchemical and current chemical recommendations for controlling pests associated with trees, shrubs, turf, flowers, groundcovers, vegetables, fruit, and houses. In addition, you'll find detailed information about integrated pest management, pesticide safety, and pesticide application and calibration techniques. This publication may be purchased at your local University of Illinois Extension Unit office, or by calling 800-345-6087, or by placing an order online (search for "C1391").
Visit site >>
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
The Illinois Commercial Landscape and Turfgrass Pest Management Handbook (ICLT) is written for professional applicators and provides nonchemical and current chemical recommendations as well as application timing information for all major pests of turf, woody ornamentals and herbaceous ornamentals. This publication may be purchased at your local University of Illinois Extension Unit office, or by calling 800-345-6087, or by placing an order online (search for "ICLT").
Visit site >>
U of IL - Distance Diagnosis through Digital Imaging
A free plant, weed, insect and disease identification service available through your local University of Illinois Extension office. Center Educators or State Specialists review & respond to information and digital images submitted by local Extension office personnel. Some samples may require further examination or culture work (nominal fee involved) at the U of IL Plant Clinic.
Visit site >>
U of IL - Plant Clinic
Services include plant and insect identification, diagnosis of disease, insect, weed and chemical injury (chemical injury on field crops only), nematode assays, and help with nutrient related problems, as well as recommendations involving these diagnoses. Microscopic examinations, laboratory culturing, virus assays, and nematode assays are some of the techniques used in the clinic.
Visit site >>
