Knotweed with the best red colour, long flowering and firm. This plant grows to about 1,2 m. The flower colour is bright dark red. The flowering period is July – November. This plant is hardy. Recommended quantity per square meter : 3. . This plant has received the following award: 3 stars (excellent) field judging by the Royal Society for Boskoop Cultures 2018. Only available when ordered in advance.
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