P. Although largely grown under cover, they can be treated as outdoor plants and make a striking display with vivid red flowers. Sow in spring in heat, after soaking the hard seed for 24 hours, gradually harden and plant out at the end of May or preferably early in June, allowing 24 in. between each. They are not particular as to soil, but a warm spot is preferred. For increasing treat as for dahlias, .

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