Like lettuce as well as cabbage Collards prefer cool weather.
Champion Collards Seeds
Huge, cabbage-like, blue green, slightly crumpled, juicy leaves. Mild cabbage flavor that improves with light frost. It is a non heading type that is slow to bolt.
Seeds of Change 06070 Certified Organic Collard
This variety yields tender, mild-flavored, blue-green collard leaves which are full of vitamins and antioxidants. Heat tolerant and frost hardy, leaves grow sweeter with fall frosts. 100 Seed Count.
Georgia Southern Collards 100 Seeds
A southern favorite that is high in calcium. Tender, blue-green leaves that will withstand light frost. The mild cabbage-like flavor actually improves with a light frost. Plant in spring and again in late summer for a fall to winter harvest. Avoid areas where any of the cabbage family members were grown the previous year.