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Aubrieta deltoidea (photo courtesy of Susan A. Roth)
Aubrieta deltoidea (photo courtesy of Susan A. Roth)

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Zone
Zones 1-9, 14-21
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Full, Partial
Regular Water
Moderate

Aubrieta deltoidea

Common Aubrieta

Perennials

Native from the eastern Mediterranean region to Iran. This mat-forming perennial is popular in northwest and high-elevation rock gardens, where it blooms in early spring along with basket-of-gold, rockcress, perennial candytuft, and moss pink. Ideal for chinks in dry stone walls or between pavers. Plants grow 2–6 in. high and 1–1 1/2 ft. across, with small gray-green leaves and tiny rose to deep red, pale to deep lilac, or purple flowers. Many varieties are available. ‘Madly Blue Violet’ and ‘Madly Magenta’ produce large flowers and may rebloom in late summer or fall. ‘Novalis Blue’ is a fine seed-grown variety with dark blue blossoms. ‘Rokey’s Purple’ is a heavy producer of rich purple flowers. Selections with white- or yellow-variegated leaves are also available.

Provide good drainage. Needs regular moisture before and during bloom; takes some drought later on. After bloom, shear off flowers before they set seed. Don’t cut back by more than half—always keep some foliage. After trimming, top-dress with a mixture of gritty soil and bonemeal. Sow seeds in late spring for blooms the following spring. Clumps are difficult to divide; make cuttings in late summer.

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