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Brassica oleracea - Wikipedia
Brassica oleracea is the plant with many cultivars that people use for food. It is very hardy and relatively cold-tolerant for a food plant, and all of its cultivars grow very well here in Houston.
B. oleracea has seven cultivar groups (from Wikipedia):
- Brassica oleracea Acephala Group – kale and collard greens
- Brassica oleracea Alboglabra Group – kai-lan (Chinese broccoli)
- Brassica oleracea Botrytis Group – cauliflower, Romanesco broccoli, and broccoflower
- Brassica oleracea Capitata Group – cabbage
- Brassica oleracea Gemmifera Group – brussels sprouts
- Brassica oleracea Gongylodes Group – kohlrabi
- Brassica oleracea Italica Group – broccoli
 | Collards |
 | Kale |
 | Cauliflower |
 | Romanesco Broccoli |
 | Cabbage |
| Brussel Sprouts |
 | Kohlrabi |
 | Broccoli |
