Annuals in which the petals overlap like roof tiles.
Suitable forborders, also for bedding; and often sold as bedding plants. Provide full sun and a sheltered .
Warm, well-manured soil.
Sow early in mid spring in a cold frame.
Prick out, harden off and plant outside in late spring, 20- 50 cm apart.
Zinnia angustifolia: Height 30-40 cm; flowering season mid summer to mid autumn;mainly in shades of brown and yellow. ‘Persian Carpet’ is a well known dwarf hybrid.
Zinnia elegans: Height 20-100 cm; flowering season mid summer to mid autumn. There are various flower shapes such as ‘Pompon’, ‘Scabiosa-flowered’, ‘Cactus Giants’ etc, the colours varying from white to yellow, red and violet, with all shades in between. The low strains are used as bedding plants, the taller forms for.