ORNAMENTAL PLANTS OF HORTICULTURE VALUE
Selection of perennials
|Sedum (DC.) L.
A large genus of about 300-600 species, depending on classification.
Throughout the Northern Temperate Zone and tropical mountains, 40
species in the FSU. Some are well-known as garden plants, among them
S. album L., S. hybridum L., S. kamtschaticum Fisch.,
S. maximowiczii Regel, S. middendorfianum Maxim. and S.
spurium Bieb. Some others can be taken into horticulture.
S. oppositifolium Sims
Caucasus (Transcaucasus, Dagestan, Talysh) and northern Iran. On
southern slopes with gravelly soil, in dry steppe, meadows.
Plants 6-15 cm, loosely carpeting. Leaves evergreen, opposite,
obovate, 1.0-2.5 cm x 0.5-1.5 cm. Leaf margin crenate. Flowers white
in flat cymes. Fl - June-July. Fr - August. P - by seed and cuttings.
Adapted to dry sites and full sun. Closely related to S. spurium,
differs mainly in its white flowers. A very good groundcover plant.
Z 4 (3).
S. selskianum Regel et Maak
Far East (Ussuriskiy Region), Japan and China. On dry slopes, in
rocky places, in meadows, broadleaved forests.
Stems erect, numerous 35-45 cm. Rootstock thick, knobbly. Leaves
sessile, alternate, linear-lanceolate, 3-6 cm x 0.5-1.0 cm, serrate at
the apex, margin smooth at the base. Flowers yellow in crowded leafy
corymbose cymes. V - evergreen, new growth May to October. Fl -
June-July. Fr - September. P - by seed and by division. Well suited
to the rock garden. Z 4.
S. tenellum Bieb.
Caucasus (Transcaucasus), Anatolia and Iran. On gravelly soil, on
slopes, in the high alpine zone.
Plant 4-10 cm, forming a carpet. Stems very leafy. Leaves
evergreen, alternate, ovate-elongated, fleshy. Flowers small, in
cymose inflorescence, red or pink. Fl - June. Fr - July. P - by seed
and by cuttings. Does well in sunny places and also in partially shaded
sites. Well suited to the rock garden. Z 5 (4).