Canary Shrub Cabbage and Mediterranean Wild Cabbages or Seakale are either annuals or biannuals to tall and broad perennials with a woody stem and large leaves. In several Canarry species the terminal inflorescence may reach up to 2m in diameter and consists of thousands of small flowers. All perennial Canary Crambe species are easily grown as pot plants in any rich, well drained soil in an always sunny spot and a winter minimum of some 10°C with reduced watering. Mediterranean annual to biannual Crambe species offered on this page are fully winter hardy in Central Europe and enjoy any rich, very well drained soil in full sun in the garden.
Sow seeds of subtropical Crambe species flat in any rich, well drained soil at some 20°C throughout the year. Keep seedlings very sunny, especially in winter months.
Sow seeds from winter hardy Mediterranean Crambe species in any rich, well drained soil. Place pots in a protected and sunny spot outside. Transplant to the final spot in the garden as soon as plants are strong enough in late summer and autumn.
All subtropical Canary species are USDA Climate Zone 9.
All winterhardy Crambe species are USDA Climate Zone 6.
10 seeds per package.