Growing Guide
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Yellow Tuft

Herbaceous Perennial Flower

Also known as Silver Alyssum, Madwort
Alyssum argenteum
Brassicaceae Family
Synonym: Alyssum murale

Site Characteristics
  • full sun

Soil conditions:

  • requires well-drained soil

Hardiness zones:

  • 3 to 7

Special locations:

  • rock gardens
Plant Traits

Lifecycle: perennial

Ease-of-care: easy

Height: 1 to 1.5 feet

Spread: 1 to 2 feet

Bloom time:

  • early summer
  • mid-summer

Flower color: yellow

Foliage color: gray-green

Leaves are thin, elongated, and silvery gray-green.

Foliage texture: fine


  • cushion, mound or clump
  • spreading mass

Shape in flower: flower stalks with upright spikes

Tiny yellow flowers profusely borne on erect stems.

Special Considerations
Special characteristics:
  • aggressive - Readily self-sows.
  • non-invasive
  • not native to North America - Europe
  • fragrant - Flowers have a sweet scent.
Special uses:
Growing Information
How to plant:

Propagate by seed, cuttings - Sow seeds indoors in spring. Do not cover, as light aids germination. Can be grown from stem cuttings taken in early summer and grown in pots until rooted.

Germination temperature: 70 F

Days to emergence: 21

Maintenance and care:
Cut the plants back after flowering has finished.

More growing information: How to Grow Perennials