You will want to keep the seedlings just a few inches below the light so they don't “stretch” and get “leggy." If you don't have fluorescent lighting, a south-facing window will do just fine.īroccoli≴5 to 60 days from sowing to harvestingĬauliflower≳0 to 80 days from sowing to harvesting Transplanting Broccoli and Cauliflower Seedlings Make sure the plants receive plenty of lightfluorescent light for around 14 to 16 hours a day is also ideal for the fastest growth. Once the seeds have sprouted, be sure to keep the soil lightly moist. Sow your broccoli and cauliflower seeds at a depth of 4 times the size of the seed, or ½ inch deep, and water thoroughly. Be careful, however, not to start it so early it gets damaged by the cold. Since cauliflower is more sensitive to cold than its cabbage-family relatives, you need to start it early enough that it has a chance to mature before the heat of the summer. The same guidelines apply to cauliflower, except when starting indoors, sow your seeds 5 to 7 weeks before the last frost. For a winter crop in Zones 8 and warmer, sow in late summer. They can also be sown outdoors 2 weeks before the last frost. When to Start Broccoli and Cauliflowerīroccoli seeds are best started indoors 7 to 9 weeks before the last frost, at a temperature of 70 to 75☏. And if you're wanting to get your children to eat more healthy veggies, you might want to look at the more colorful, fun varieties. Heat tolerance is also a factor, especially for those living in the south. There are several compact types that don't require a lot of space, so they're the best choice for a limited gardening area.
Choosing a Broccoli or Cauliflower VarietyĪll broccoli and cauliflower are packed with vitamins and nutrients, so when choosing what varieties to grow, you'll base your decision mostly on size and color.
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