Aubrieta Species, Rock Cress

Aubrietadeltoidea

Family
Brassicaceae (brass-ih-KAY-see-ee)
Genus
Aubrieta (aw-bree-EH-tuh)
Species
deltoidea (del-TOY-dee-uh)
Synonym
Alyssum deltoideum
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Rose/Mauve
Medium Blue
Lavender
Bloom Time
Mid Spring
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From softwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
By simple layering
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:

Merced, California

Fruita, Colorado

Loganville, Georgia

Logansport, Indiana

Westbrook, Maine

Minneapolis, Minnesota

Grand Forks, North Dakota

Bend, Oregon

Gold Hill, Oregon

Hereford, Texas

Freeland, Washington

Poulsbo, Washington

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Featured Videos

Gardener's Notes:

1
positive
3
neutrals
0
negative
Sort By:
Sort By:
M
Whidbey Island, WA (Zone 8b) | October 2013 | neutral

This is a very common ground cover on the many walls of the northeast and the northwest. Most people just plant it and forget about it. T...Read More

W
Seward, AK (Zone 3b) | October 2002 | positive

Aubrieta x cultorum, or A. deltoidea is a wonderful rock garden plant. Much like arabis, it forms lovely green mounds, producing bright f...Read More

E
Toadsuck, TX (Zone 7a) | August 2001 | neutral

This is one of the best known rock garden plants, well suited for covering large areas, and for trailing over walls.
It is also us...Read More

J
J
MD &, VA (Zone 7b) | May 2001 | neutral

Easy to grow in cool-temeperate climates. They are short lived and cuttings should be taken every 3-4 years. They are readily propagated ...Read More

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