Cobaea Scandens.
This rapid climber is well adapted for the conservatory, but it will thrive in the open air if the root is protected during the winter. If planted against a rough wall its tendrils will catch in the crevices and support it without any assistance. It requires plenty of room and a rather poor soil, otherwise it runs to leaf instead of to bloom. The tops of the shoots should be constantly pinched off, to induce thickness of growth. Cuttings of firm side-shoots taken in summer will root under glass in a little moist heat; but it is best raised from seed, sown sideways, in a hotbed in March. Its blue and purple flowers are produced in August. Height, 10 ft. to 20 ft.
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