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Aurinia saxatilis 'Summit Alyssum'

Common Name(s):

Yellow alyssum

Gold-dust

Synonym:

Alyssum saxatile

Goldentuft

Flower:

Yellow

Blooms :

Apr

to:

May

Flowers yellow star shaped with 4 petals

Botanical Description

Fragrant?

YES

Family:

Brassicaceae

Herbaceous Plant, Perennial

Foliage:

Silvery-green

Fine textured, spathulate

Fall Color?

YES

Foliage stays silvery-green

Evergreen

Photo by: 

Heading 6

Foliage stays silvery-green

Oregon Native?

NO

West State Native?

NO

Origins:

Central and Southeastern Europe, Balkan Peninsula

Site Selection

Minimum USDA Hardiness Zone:

4

Water Needs:

L

Sun Needs:

Full Sun

Deer Resistant?

YES

Firewise?

YES

Height:

6-12"

Spread:

10-20"

Growth Rate:

Medium

Native Habitat:

Rocky mountainous areas

Soil:

Rocky, gritty, sandy

Care Recommendations

Maintenance Level:

Medium

Fertilizer:

Requires no fertilization

Mulch:

Gravel, crushed rock, small stones

Full sun, excellent drainage, infrequent watering, light shearing after sppring bloom, very little fertilizer or none at all evcept every other year, minimal division

Long Term:

Winter:

Minimal winter care except for light watering if needed

Spring:

Trim after flowering for shape, well-drained soil, full sun, minimal fertilizer to prevent legginess

Summer:

Full sun but afternoon shade in warm habitats, trim by 1/2 if not done after flowering in late spring, minimal watering

Fall:

Light watering, avoid heavy pruning

General Care Comments:

Provide full sun,excellent drainage, spare watering, pruning after flowering, very little if any fertilizer

Common Problems

Most problems arise from too much water or heavy clay soils

Diseases:

Root rot if over watered, white rust

Insects:

Aphids, cabbage worms, leaf hoppers

Environmental Problems:

Can be invasive

Pests:

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