Home > Perennials > All Perennials
Family: ApocynaceaeMain Season: SummerFlower Colour: BrownLeaf Colour: GreenFoliage: DeciduousPosition: SunSoil Type: Ordinary, medium loamHeight: 45cm to 60cm (18" to 2')Peat Free? YesHardiness Guide: RHS H5 minimum -10°C to -15°CPot Size: 9cm
Clumps of upright stems with veined deep green leaves and clusters of rusty-brown to black flowers with yellowish throats in summer. Showy silky seeds later. Sun, ordinary soil. 60cm.
Obtained labelled as Vincetoxicum nigrum but I'm starting to doubt it! Vincetoxicum rossicum looks a possibility. The large number of websites listing these species as invasive are referring to the USA and not anywhere in Europe where it is native.
Syn. Cynanchum nigrum.