These exquisite alpine plants, forming a neat pillows and rosettes of leaves with a mass of small yellow flowers, that appear in spring or early summer, is widely used in high flowerbeds in gardens and drawers rock garden.
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Although these plants are winter-hardy, most of them suffer from excessive moisture.
If they are grown in soil in areas with damp in the winter, it is better to provide them with a dry shelter. Under stable snow cover the risk of waterlogging less. Some species grow in the alpine reliable or unheated greenhouse.
All of the recommended plants - evergreen perennials cushion-forming inflorescence flowers chetyrehlepestnyh of less than 1 cm in diameter, painted in different shades of yellow. Individual leaves less than 1 cm in length to form a dense rosette. Motherland - the mountain areas of the Northern Hemisphere and Y. America.
Recommended species and varieties
K. aizoides (K. evergreen)
Winter-hardy plant with a lemon-yellow flowers, which are formed over the rosettes of dark green rigid linear leaves. The height and diameter of the plant - 10x15 cm.
D. bruniifolia (K. brunielistnaya, K. Caucasian)
This type forms golden yellow flowers that appear over a carpet cushion or formed bristly dark green leaves rigid linear. Heights and diameter and plants - 7,5h30 see.
D. longisiliqua (K. vorsistoilodnaya)
The flowers are pale yellow, on long, thin stalks, gathered in inflorescences, which are formed over the domed thick pillows tiny furry gray leaves. The height and diameter of the plant - 15x20 cm.
F. tnolltsima (K. softest)
Pastel-yellow flowers are collected in capitate inflorescences, which appear on a white-gray dense dome-shaped clumps of tiny oblong leaves. The height and diameter rasteniya- 15x20 cm.
I. polytricha (K. mnogovolosistaya)
Forms collected in capitate inflorescences are bright yellow flowers which appear directly above the pillows small leaves covered with white hairs. The height and diameter of the plant 7,5h7,5 cm.
Rigida (K. rigid)
Winter-hardy plant with dark-yellow flowers that form on the cushions gorchaschih linear leaves. The height and diameter of the plant - 10x10 cm.
Var. bryoides
The tops of the leaves are curved inside the socket.
Var. imbricata
The species of smaller size (only 3 cm).
cultivation
Plants are planted in well drained soil with added sand to the open sunny place. In winter sometimes require protection from excessive humidity. In the middle zone of most species overwinter without shelter.
reproduction
In central seeds are sown in April. The seedlings were planted in individual pots and later planted in a permanent place. Propagated by cuttings in June - August. In the warmer regions of the seeds sown in autumn or in late winter in pots in a cold frame in spring diving and planted in small pots. As used cuttings outlet portions that are planted in pots with fine sand and placed in a greenhouse razvodochny. Planted to a permanent place in the spring or early summer.
Pests and diseases
Plants grown under glass, may be affected by red spider mite, especially in hot sunny weather. More gentle cushion-species can be infected with downy mildew, especially in wet weather in the autumn and winter months. The flowers and buds can damage cruciferous flea.
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