Collards can be started from transplants or from seeds sown directly in the garden. Transplants usually are used for the spring crop. They add 4 to 5 weeks to the growing season because they can be grown indoors before the weather is warm enough to plant the seeds outside. ... Water the plants after transplanting.

Do collard greens transplant well?

Collards are usually grown from transplants. Start seed indoors 4 to 6 weeks before the last frost in spring. Sow seed outdoors when the soil can be worked in spring. Place transplants in the garden when they are 3 to 4 inches (7-10cm) tall as early as 3 to 4 weeks before the last frost in spring.

How deep should a collard greens container be?

Select a container for your turnip or collard greens. For optimal growth, the container should be 12 inches deep and large enough to hold approximately one gallon of soil for each plant. Your container may be glazed ceramic, plastic or terra cotta, but it must have drainage holes or your greens will suffer root rot.