Polygonum orientale It is easy to imagine an amorous meeting amongst the shelter of these 6–7' beauties, surrounded by heart-shaped leaves and large tassels of lightly scented pink blossoms! Looks like a beautiful giant Smartweed. Although transplanting temporarily sets it back, it grows vigorously to take up a full square yard at maximum size. Blooms from July to frost, sometimes self-sows. Start indoors at 70–75°, covering the seed, keeping soil moist till emergence. Fussy, slow, erratic germinator. Germination can be improved by stratifying for three weeks. Likes full sun or light shade. Native to China. Offered by Burpee in 1935 for 15¢ per packet as Ruby Gem. Annual. ~20 seeds/g. ①
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All flowers are annuals except where noted. All flowers are open-pollinated except where noted.
Days in parentheses after a variety indicate days to first bloom.