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ORNAMENTAL PLANTS OF HORTICULTURE VALUE

Selection of perennials

Cladochaeta DC.
Cladochaeta
Asteraceae (Compositae)

Endemic genus of the Caucasus; two species.

C. candissima (Bieb.) DC.

Caucasus (Greater Caucasus, Dagestan and the southeastern Transcaucasus). On dunes, rocky soil and gravelly substrates.

Mat-forming plant, all parts densely white-tomentose. Stems 10-40 cm, procumbent-ascending, spreading. Leaves alternate, sessile, lanceolate or oblong-lanceolate, 2-5 cm long. Flowering stem leafless. Flower heads cylindrical, 10 mm long, clustered 15-20 in a corymb. Flowers yellow. V - early spring to late autumn. Fl - June. Fr - August. P - by seed or cuttings. Requires a sunny position. Z 6 (5). New.

C. caspica Sosn. ex Grossh.

Caucasus (western Transcaucasus). On dunes and rocky slopes and in dry valleys.

Procumbent, carpet forming plant, 5-10 cm high. All parts very densely white-pubescent. Leaves thick, 1.0-1.5 cm long. Flowering heads clustered in a dense corymb. Flowers yellow. V - early spring to late autumn. Fl - June. Fr - August. P - by seed or cuttings. Requires a sunny position. Z 6 (5). New.

Both species are best suited to sunny, dry stone walls and rock gardens, where their bright silver mats are effective groundcovers. Can also be used in flower beds, on slopes. Unfortunately not entirely winter-hardy in zone 4, nor in moist places in zone 5.

SELECTION OF PERENNIALS
 
 
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