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.
Dianthus carthusianorum - carnation field
Herbaceous perennial. Stem erect, simple or branched, 25-65 cm, glabra. Leaves opposite, lamina linear-spatulate, 3-13 cm, green edges glabrata. Blossom dense, 4-15 flowers; bractei lanceolata, equal to or greater than the calyx, herbaceous, 4-6 bracteole, brown, oblong-obovata. Pedicel 0.1-2 mm.
Soldanella alpina - grows in coniferous forests and grasslands, from 1000 up to 2500 m altitude, moist substrates, rocks, rich in humus.
Lampranthus aurantiacus. perennial species, succulent native to South Africa. Cultivated as ornamental species for rocarii.
Tithonia rotundifolia - annual species, native to Mexico and Central Aerica, cultivated as ornamental species.
Solidago caesia - blue-stemmed goldenrod
Solidago box to - perennial species, native to North America, grows naturally in dry soils on roadsides.
Anchusa italica Retz. - Ox tongue, large miruta
Anchusa italica species is a perennial or biennial, erect stem, up to 150 cm high, much branched, rarely simple, hispida. Originally from the Mediterranean.
Mutisia subspinosa Cav.
Undergrowth voluble, 2-3 m long. Strain poorly ramified, glabra, wavy, yellow-green, 3-wing, green wing, needle-spin, axillary buds are white tomentosi. Leaves alternate, Sesia, language hasta, 8-10 x 0.6-1.3 cm, green, toothed margins, 10-14 pairs of teeth mucronata, long-attenuated peak and ended with a Carcel
Lonicera xylosteum - shrub originating from Europe, the Caucasus and Siberia, growing at the edge of deciduous forests, from lowland to 1600 m altitude. They prefer warm places and limestone associated with Cornus sanguinela, Ligustrum vulgare, Prunus padus and Rubus idaeus.