Scientific Name – Cerastium tomentosum L. 1753
Synonim – Cerastium columnae ten., Cerastium samnianum
Common name(s) – snow in summer.
Distribution and Habitat – native in the Caucasus and S-E Europe.
Description – perennial, rhizomatous. Flowering stem ascending, branched, 15-40 cm; nonflowering stems prostrate, pubescence dense, white-tomentose. Leaves sessile; blade linear to linear-lanceolate, 10-60 x 2-8 mm, apex obtuse, pubescence dense, whitish-tomentose, eglandular on both surfaces. Inflorescences lax, 3-13 flowered; bracts lanceolate, margins scarious, pubescent. Pedicels ascending, 10-40 mm, white tomentose. Flowers 12-20 mm diameter; sepals narrowly lanceolate-elliptic, 5-7 mm, apex acute, white-tomentose; petals obtriangular, 10-18 mm, apex bifid; 10 stamens. Flowering April-July. Cylindrical capsule, slightly curved, 10-15 mm. Seeds brown, cuneate to ellipsoidal or circular, 15 mm, rugose. 2n = 72
Growth rate – moderate to fast.
Tolerances – tolerant of drought.
Requirements – well-drained sandy or loamy soils with low fertility; prefer full sun.
Propagation – by division or by seeds sown in early spring. Germination usually takes 2-3 weeks at 21 ̊C. When seedlings are large enough to handle transplant and grow on in cooler conditions.
Pest and Diseases –
Garden Partners – Allium schoenoprasum, Artemisia sp., Eryngium amethystinum, Geranium sylvaticum, Malva moschata, Penstemon birsutus, Stachys byzantina, Veronica spicata.
Cultivars – ‘Yoyo’ – leaves silvery, flowers white.
Properties and Uses – a commonly grown rock-garden, often escape from cultivation.
Stylosa Phuopsis annual herbaceous plant, native to eastern Turkey and northern Iran, used as an ornamental species.
Antennaria dioica - perennial species, growing on acid soils, deciduous and coniferous forests, subalpine and alpine meadows, from 100-2300 (rare 3100).
Cardamine bulbifera - herbaceous species, perennial. Hailing from Europe and Asia Minor, grow on fertile soils, limestone, 200 to 1800 m altit., In association with Coryllus avellana, Carpinus betulus, Crataegus laevigata, Fraxinus excelsior, Quercus robur, ursinum Allium, Carex pendula, Hyacinthoides non- scripta, Mercurialis perennis, Lamiastrum galeobdolon.
Calystegia sepium - rhizomatic herbaceous perennial, grows spontaneously throughout Europe and Asia, infesting herbaceous crops, grain, grow on the stems bush bush, from 0 to 1400 m altitude.
Helianthemum nummularium - Rock Rose
Scientific name, Helianthemum numularium, derived from the Greek Helios = sun and the Latin word indicating the currency, numumus = currency, because the flowers that sparkle in sunlight like a golden coin.
Buxus sempervirens - evergreen shrub, native of northern Africa, Asia and Europe, up to 800 m altitude. Increases in rare deciduous forests on limestone substrates in sunny exhibition, in association with integerrimus Cotoneaster, Pyrus pyraster, Prunus spinosa and Amelanchier rotundifolia.
Petasites hybridus - big skid
Perennial herbaceous plant, dioica. Rhizome hectic, thick, fleshy, short, thick with runners. Strain empty. Leaves large, round or reniforme basis cordata, iregulat edge gear, 100 x 60 cm, the bottom of the molding is covered with white fuzz, nervatiune palmate, petiole long, purple.
Chimonanthus praecox (L.) Link
Chimonanthus praecox - native species of China. Linnaeus described this species as the variety, as the Calycanthus praecox. In 1819 Lindley introduced a new kind Chimonanthus.
Deciduu shrub, 2-5 m high. Leaves opposite, entire, ovat-lanceolata, 7-20 cm long, thin, green, rough upper part, becoming yellow in autumn.