Species of this genus previously attributed to mountaineers (genus Polygonum). Most of them are cold-hardy herbaceous perennials to racemose or spica inflorescences of different shades of pink or white, which are formed mainly by the end of the growing period. Excellent ground cover and curb, easy to breed species and varieties, although high enough plants prefer moist conditions. But the undersized persicaria bad tolerate drought. Grow well in partial shade, but full sun color of flowers and leaves of the most prominent. Note that some species can grow too much in the garden.
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Recommended species and varieties
P. affinis (syn. Polygonum affine) (P. related, akin to Highlander)
Small pink or red flowers are collected in a dense inflorescence kolosovidnoe about 8 cm long, dissolved in late summer. They often hold almost until winter, gradually fading and paling. Dark green elliptical leaves a length of about 10 cm in autumn bronzoveyut and blush. Type of compact, small, well-suited for rock gardens and rabatok. Motherland - the Himalayas. Winter hardiness is good. The height and diameter of plants -60h60 cm.
«Darjeeling Red»
In the variety pinkish-red flowers are kept particularly long. Its lanceolate leaves with winter approaching become reddish-brown in color.
«Donald Lowndes»
The variety with pink and orange flowers that darken with time.
«Superba» (syn. «Dimity»)
In the autumn varieties of pastel pink flowers are crimson, and leaves - brown.
P. amplexicaulis (syn. Polygonum amplexkaule) (P. amplexicaul, G. amplexicaul)
Small light pink or purple flowers in loose conical racemose inflorescence up to 8 cm bloom in late summer or early autumn. Due to its compact habit and a high flower stalks view looks good in herbal curbs. Motherland - the Himalayas. The height and diameter of the plant - 1,2h1,2 m.
«Firetail»
In the variety of bright crimson flowers.
Bistorta (syn. Polygonum bistorta) (P. snake, G. snake, Crayfish)
Dense cylindrical spike inflorescence height of 9 cm and a mass of small pale pink or white flowers are produced in early summer and stay for a long time. Light green, oval or oblong leaves a length of 20 cm is coated quickly almost continuous carpet soil. This type is well suited for mixborders and humid shores of the pond, although it can become invasive. Motherland - Russia, Europe, and 3. Asia. Winter hardiness is very high. The height and diameter of the plant - 75h60 cm.
«Superba»
In the variety flowers are bright pink.
P. campanulata (P. belled)
Compact groundcover species bred because of the thick foliage, and for the sake of the tiny bell-shaped fragrant pale pink flowers. The leaves are green top and bottom yellowish brown, lanceolate, with rounded tip and greatly protruding streak and a length of 20 cm. Branching inflorescence up to 8 cm in diameter occur in late summer or early autumn. Motherland - the Himalayas. The height and diameter of the plant - 1x1 m.
P. milletii (P. Millet)
In the mid to late summer formed thick round or cylindrical inflorescence length of 4 cm with crimson flowers. The narrow oblong basal leaves a length of 30 cm. From the same root grow dense group of sockets. Species prefers a rich moist soil, but is also suitable for borders and large rock gardens. Homeland -Nepal and China. Winter hardiness is moderate. The height and diameter of plants -60h60 cm.
Mollis (syn. Polygonum molle) (P. soft, G. soft)
In late summer bloom very fine creamy white flowers are collected in the dense spikes up to 30 cm at the ends of the branching stem. Powerful bushy appearance with dark green leaves undulating length 20 cm. It prefers damp places. Motherland - the Himalayas. Hardiness in the middle zone has been insufficiently studied. The height and diameter of the plant - 2,4h0,75 m.
P. tenuicaulis (P. tonkostebelnaya)
Early spring formed loose spike inflorescence up to 10 cm with tiny white flowers. Leaves oval length of 8 cm, a pure-green top, slightly reddish below. This kind of undersized used as ground cover or planted in the rock garden. Rodina-Japan. The height and diameter of plants -15h20 cm.
Vacctniifolia (P. yagodnikolistnaya)
Heather-pink flowers in the inflorescence spiciform length of 5 cm bloom from late summer to early fall. Leaves coriaceous, pointed, cowberry Similar to a length of 2.5 cm. They change color in the fall. Terrestris (ampelnye) shoots give a good groundcover effect, especially on rocks, walls and paved areas. Motherland - the Himalayas. The height and diameter of the plant - 20x60 cm.
P. virginiana (P. virgin)
Creamy white, sometimes with a pink tinge flowers in spike inflorescence up to 40 cm bloom in summer. Bright green oval leaves up to 15 cm. Rodina - C. America. This type of decorative properties similar to A. filiformis (P. thready), which is the natural range - the Himalayas and Japan. The height and diameter of the plant - 1,2h0,6 m.
«Painter's Palette»
In the variety with golden leaves and pinkish-brown spots.
cultivation
Plant spring or autumn in any wet but well-drained soil in sunny or partially shaded area.
At high species remove the faded blossoms.
reproduction
Seeds are sown in spring persicaria species under glass and doraschivat seedlings to a size sufficient for transplant in an open ground by the end of the season or at the beginning of the next. Divide the bushes in the fall or spring.
Pests and diseases
Usually not affected.
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