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Persicaria bistorta 'Superba'
Red bistort 'Superba'
Type/Hardiness Herbaceous, Perennial, Hardy
Flowering period Summer-autumn
Height 24-36in/60-90cm
Light preference Sun/part shade
Soil preference Rich but well drained
Sowing time/depth Late winter/Spring, Barely cover
Soft spikes of tiny pink flowers on straight stems from May and well into the summer, above broad, deeply veined, grey-green leaves. Makes good ground cover. Spreads rapidly by underground runners but these are not far beneath the surface, so are easily removed in open ground as required.
Sowing and/or growing instructions
Sow thinly under glass, Jan-Mar in good quality, soil-based seed compost, covering with a thin layer of sieved compost or fine vermiculite. Cover with plastic or place in a propagator at 20C/68F. Germination should commence in 28-42 days, but can be slow and erratic. If germination does not occur, try chilling the sown seeds in a fridge for 4-6 weeks, then return to warmer conditions. Grow on in cooler conditions, planting out after all risk of frost has passed.
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Callistephus chinensis, Ex. single white Mirabilis jalapa Eranthis hyemalis Viola cornuta 'Back to Black' Euphorbia characias subsp. wulfenii  

cerinthe-major-yellow-gem_seed
anthriscus-sylvestris-ravenswing_seed
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