The sea knotgrass is a perennial, with herbaceous weak stems that are woody below and grow up to 50 cm in length; the stems are procumbent. Leaves: The leaves are somewhat oblong and leathery in texture with inrolled margins. Polygonum maritimum is the rarest of the knotgrasses in Britain.
Polygonum Maritimum Care
Polygonum Maritimum



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Overview: The sea knotgrass is a perennial, with herbaceous weak stems that are woody below and grow up to 50 cm in length; the stems are procumbent. Leaves: The leaves are somewhat oblong and leathery in texture with inrolled margins.
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