P.A half-hardy plant which with a little protection will survive an ordinary winter. It is a useful plant, for in good soil and with liberal watering it will grow rapidly and flower freely during the summer, either in cool house or open. There are two varieties: Cobaea scandens, with purple bell-shaped flowers, and C. scandens alba, with white flowers. Seed should be sown in early spring, in gentle heat, the seedlings potted off as soon as they will bear it, hardened off, and planted out in June. Often treated as a half-hardy annual.

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