P. This old garden favourite has sweet-scented spikes of purple, violet or white flowers. It blooms freely but to bring it to perfection it needs a rich, moist soil, and even then is the better for yearly division and transplanting into fresh ground. Seeds should be sown in spring in a sunny situation and the seedlings transplanted in due qourse. Hesperis matronalis is the dame’s violet, damask violet or sweet rocket, with purple flowers; it is often at its best where chalk is worked into the soil or is already present. A double white variety is known as the Scotch rocket. All are variable in colour and are most fragrant in the evening. The double forms, which are now rare, are propagated by 3 in. long cuttings in August.

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