Prolific, cup shaped, blood red, black centred flowers. Adonis aestivalis has ornamental, leathery foliage.
Sow seeds March-April or August-September for overwintering. Optimum Germination Temperature: 60-65F (15-18C). Sowing Depth: 1/8 Inch (3 mm). The seed should be sown outdoors where it is to flower in spring and again in autumn in mild winter areas and thinned out to 6in (15cm) apart.
Transplant seedlings when large enough to handle into 7.5cm (3in) pots. Grow on in a cold frame and plant out the following spring 30cm (12in) apart in full sun or part shade. Plant in ordinary garden soil.