Arabis, Garden Rockcress, Mountain Rock Cress, Wall Rock Cress 'Snowcap'

Arabiscaucasica

Family
Brassicaceae (brass-ih-KAY-see-ee)
Genus
Arabis (AR-uh-biss)
Species
caucasica (kaw-KAS-ee-kuh)
Synonym
Sun Exposure
Full Sun
Foliage
Evergreen
Height
6-12 in. (15-30 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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)
Bloom Color
White/Near White
Bloom Time
Late Winter/Early Spring
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From herbaceous stem cuttings
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Elgin, Illinois

Grayslake, Illinois

Plainfield, Illinois

Iowa City, Iowa

Dracut, Massachusetts

Lancaster, New York

Rogue River, Oregon

West Chester, Pennsylvania

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Gardener's Notes:

1
positive
0
neutral
0
negative
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D
Elgin, IL (Zone 5a) | May 2010 | positive

This plant is evergreen in zone 5a and requires little care in terms of water or fertilizer. It slowly spreads. Cut it back when it beco...Read More

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