Photo by Melody

PlantFiles: Thyme-leaf Cotoneaster
Cotoneaster microphyllus var. thymifolius

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Cotoneaster (kot-on-ee-ASS-ter) (Info)
Species: microphyllus var. thymifolius
Additional cultivar information: (aka Thymifolius)

Synonym:Cotoneaster microphyllus


24-36 in. (60-90 cm)

24-36 in. (60-90 cm)
6-8 ft. (1.8-2.4 m)

USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)

Sun Exposure:
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Mid Spring
Late Spring/Early Summer

Grown for foliage

Other details:
Average Water Needs; Water regularly; do not overwater
Provides winter interest
Suitable for growing in containers

Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From softwood cuttings

Seed Collecting:
Unknown - Tell us


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive john_hosie On Sep 6, 2012, john_hosie from Gaithersburg, MD (Zone 6b) wrote:

Wonderful little shrub that makes a phenomenal bonsai specimen. The leaves are only about 1/8 to 3/16 inch long, and they are a lot closer to 1/16 to 3/32 wide. Tiny tiny leaves, that are packed onto the branches...and cuttings root fairly easily. So I can have one that I can train as a "tree", or I can train one to look like a bush/shrub near a dwarf conifer or Japanese Maple to give a pretty awesome overall presentation. The only problems I've seen is that because of their size, they are a little more sensitive to dry conditions than other Cotoneasters, and that they are so small that they would probably not make a very good yard shrub, because they might get lost under a large oak or maple leaf.

Positive salt1light On Jun 23, 2010, salt1light from Puyallup, WA wrote:

Finally identified this "Must Have" for my garden in Puyallup, WA 98374. It grows freely in Mossyrock, WA 98585 at an RV park we stay at. Beautiful sculptural arching branches. There is a herringbone quality to the branch pattern. Will dig up a sprig from Mossyrock & plant in Puyallup.


This plant has been said to grow in the following regions:

Gaithersburg, Maryland
Portland, Oregon
Silver Creek, Washington

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