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Rock Garden Plants A to Z:
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Alyssum- (Alyssum)
Alyssum saxatile 'Citrinum' |
Don't reject this plant just because you see it in rockeries everywhere-
in spring it provides a bright yellow splash which blends well with the blues
and pinks of Aubrieta. But don't let it run riot. It can soon spread and
choice ALPINES MAY BE SWAMPED. When not in flower it is a greyish shrubby
perennial which flourishes in poor soil. Trim back once the flowers have
faded. This will keep it in check and also prolong the life of the plant.
VARIETIES:
A.saxatile (Gold Dust) is the basic species. Height 6 in.- 1 ft. spread 1 1-/2
ft. Flowering period April - June. The tiny bright yellow flowers form large
heads with often completely cover the foliage. There are a number of named
varieties. Look for
'Citrinum'
(pale yellow),
'Dudley Neville'
(buff),
'Plenum'
(double
yellow),
'Compactum'
(neat growth habit) and the dwarf
'Tom
Thumb'. Another miniature is A.
montanum- height 4 in. spread 1 ft. A.
spinosum (Ptilotrichum spinosum) is a spiny white- or pink-flowering
dwarf shrub.
SITE
& SOIL: Any well-drained soil - thrives best in full sun.
PROPAGATION:
Sow seeds under glass in spring. With named varieties plant cuttings
in a cold frame in early summer.
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