How can I successfully plant cauliflower and broccoli in my garden?

To successfully plant cauliflower and broccoli in your garden, choose a sunny spot with well-drained soil. Start seeds indoors or buy seedlings from a nursery. Transplant seedlings into the garden after the last frost. Space plants about 18 inches apart. Keep the soil consistently moist and fertilize regularly. Harvest when the heads are firm and compact.