Alyssum contain a group of low growing tufted. or mat-forming, often evergreen, perennials, and sometimes erect annuals.

The flowers open in early summer in shades ranging from white through pale or deep rose pink, to pale and golden yellow, sometimes with the scent of honey.

See: Lobularia maratima (syn alyssum maratimum)

Form: (Sweet Alyssum) Fast growing and spreading annual
Height: 3-6in (8-15cm)
Spread: 8-12in (20-30cm)
Foliage: Lance shaped greyish-green leaves.
Flowers: Rounded heads of tiny scented four-petalled white flowers are produced in summer and early autumn. 

The seed germinates in 8 to 15 days at temperatures between 65 to 75 degrees F. Do not cover the seed as light is necessary for germination. Sweet Alyssum damps off easily.

Alyssum. maratima pendula

Alyssum. maratima procumbens

Form: Evergreen prostrate perennial
Height: 6in (15cm) 
Spread: 6in (15cm)
Foliage: Small, hairy, oval, grey leaves 
Flowers: In summer 6in (30cm) flower stems each carry an open round raceme having small highly fragrant soft yellow flowers ~ An excellent rock garden plant. 

Alyssum. saxatile

See: Aurinaria saxatilis

Form: Prostrate perennial
Height: 3/4in (2cm)
Spread: 8in (20cm)
Foliage: Having small oval grey leaves.
Flowers: During the summer it produces loose heads of small bright yellow flowers.

Cultivation: -

Alyssums prefer well drained moderately fertile soil with added grit, in full sun. 

Alyssums will tolerate being planted in soil filled crevices in walls, and between brick or slab paving, but will be at their happiest in the rock garden or to the front of a border.  

They should be cut back after flowering, at which time any excessive growth can be reduced.

Propagation: -

Sow seed in pots or the cold frame during autumn / spring, or take greenwood cuttings in late spring

Pests & Diseases: -

Fully Hardy