Rock Cress (Aubrieta deltoidea)

Botanical names:
Aubrieta deltoidea Accepted
Aubrieta deltoidea var. canescens Synonym
Aubrieta canescens Synonym
Aubrieta canescens subsp. macrostyla Synonym
Aubrieta canescens subsp. canescens Synonym
Aubrieta canescens subsp. cilicica Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 8b
Plant Height: 8 to 12 inches
Plant Spread: 18 to 24 inches
Flowers: Showy
Flower Color: Blue
Lavender
Purple
Bloom Size: Under 1"
Flower Time: Spring
Late spring or early summer
Uses: Erosion control
Groundcover
Wildlife Attractant: Bees
Butterflies
Propagation: Other methods: Cuttings: Stem
Division
Containers: Needs excellent drainage in pots

purchased as Aubrieta canescens subsp. canescens

Honey Bees in the Garden:  MarchHoney Bees in the Garden: March
By Mindy03 on March 3, 2011

March is here with its abundance of sprouting bulbs, swelling buds, and early blossoms. The temperatures are warmer and gardeners are busy getting early crops and flowers planted. Honey bees are zipping to and fro from the hives, searching out the earliest blossoms for the collection of nectar and pollen.

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Comments:
Posted by Mindy03 (Delta KY) on Feb 9, 2012 4:31 PM

Valuable source of nectar and pollen for honey bees.

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Posted by KFredenburg (Morgan Hill, CA) on Jun 6, 2020 2:54 PM

Low mat of evergreen foliage with pink to purple flowers that are large in relation to the size of the plant. Tiny oval leaves crowd downy stems.
For best results (if planting more than one of these plants), space each one at least 9 inches apart from each other.
Landscape uses:
Use aubrietas as edging for a perennial border or plant in a rock garden; they combine well with white or pink-flowered arabis.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Help please! by pleasance May 23, 2020 10:45 AM 4
First Bloom by dirtdorphins Nov 11, 2015 8:04 PM 51
Favourite perennials in my Canadian garden by SunnyBorders Aug 8, 2020 11:37 AM 1,385
a few of my plant tags blew away... by crittergarden Apr 15, 2012 6:59 PM 9

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