How To Grow Cauliflower

Written by: Lars Nyman

Growing Cauliflower

Growing Cauliflower

Cauliflower is a cruciferous vegetable that is rich in vitamin C and dietary fiber, as well as folate and vitamin B. Its mild flavor makes cauliflower popular in many dishes, such as mashed cauliflower, roasted cauliflower steaks, and cauliflower rice. It is commonly used in vegetarian dishes to replace meat, as cauliflower can be steamed, boiled, roasted, sautéed, and fried. Cauliflower is low in fat and calories, making it a good choice for healthy eating.

Cheatsheet: Growing Cauliflower


☀️ Cauliflower needs full sun for 6-8 hours a day.

🌧️ Keep soil moist but not waterlogged.

🌡️ Thrives in cool climates, ideal temp range: 60-70°F.


🌱 Start seeds indoors 4-6 weeks before last frost.

🌱 Transplant seedlings when they have 4-5 true leaves.

🌱 Space plants 18-24 inches apart in rows.


🌱 Use organic fertilizers with high nitrogen content.

🐛 Watch out for pests like aphids, cabbage worms.

💦 Water regularly, aiming for 1-1.5 inches per week.


📅 Harvest when heads are firm, dense, and reach 6-8 inches.

🌱 Cut just below the head, leave leaves for protection.

🌱 To blanch: tie leaves together once heads start forming.

Fun Facts

💪 Cauliflower is a rich source of Vitamin C and K.

🌱 You can eat the leaves, stems, and florets. Waste not!

🌏 Growing your own cauliflower promotes self-sufficiency.

Preparing the Soil

When it comes to growing cauliflower, the first step is preparing the soil. The soil needs to be well-draining and nutrient-rich. I usually start by loosening the soil with a garden fork, and then adding compost or well-rotted manure to improve the fertility and structure of the soil.

Did you know that cauliflower prefers a soil pH between 6.0 and 7.0? Keeping the soil slightly acidic to neutral is key for successful cauliflower growth.

Choosing the Right Varieties

One of the keys to a successful cauliflower harvest is choosing the right varieties. There are different types of cauliflower available, such as white, green, and purple ones. I recommend selecting varieties that are suitable for your climate and gardening conditions.

Fun fact: Did you know that purple cauliflower contains anthocyanins, which are antioxidants that can help enhance your health? It's not just delicious; it's also nutritious!

Sowing Cauliflower Seeds

When it comes to sowing cauliflower seeds, timing is important. Cauliflower is a cool-season crop, so I usually start sowing the seeds indoors about 6-8 weeks before the last expected frost date. I sow the seeds in trays or pots filled with seed starting mix, and cover them lightly with soil.

Once the seedlings have developed a couple of true leaves, I transplant them into individual pots, allowing them to grow stronger and more resilient before moving them outside.

Transplanting and Care

Transplanting cauliflower seedlings into the garden should be done when they are around 4-6 weeks old and have a few true leaves. I make sure to space them about 18-24 inches apart to provide enough room for each plant to grow and develop fully.

To ensure healthy growth, it's important to provide adequate water and fertilization. Cauliflower plants need consistent moisture, especially during hot and dry periods. Mulching around the plants helps to retain soil moisture and suppress weeds.

Remember to provide your cauliflower plants with enough sunlight. They will thrive best in full sun, which means at least 6 hours of direct sunlight per day.

Dealing with Pests and Diseases

Like any other plant, cauliflower is susceptible to pests and diseases. One common pest that affects cauliflower is the cabbage worm. Handpicking the worms and using organic pest control methods, such as neem oil or Bacillus thuringiensis, can help keep them at bay.

When it comes to diseases, cauliflower can be prone to clubroot and fungal infections. To prevent clubroot, I rotate my crops every year and ensure the soil is well-drained. To tackle fungal infections, such as powdery mildew, I use organic fungicides and make sure to provide good air circulation.

Harvesting Cauliflower

Patience is rewarded when it comes to harvesting cauliflower. The heads are ready for harvest when they are firm, compact, and have reached a desirable size. I use a sharp knife to cut the heads just below the curds, taking care not to damage surrounding leaves.

If the cauliflower heads start to loosen or become yellow, it's a sign that they are overripe. So, it's important to keep an eye on them and harvest at the right time.

Enjoying the Fruits of Your Labor

Now that you have successfully grown your own cauliflower, it's time to enjoy the fruits of your labor. Whether you use it in delicious recipes, steam it as a side dish, or even make cauliflower rice, the possibilities are endless.

Growing cauliflower can be a rewarding experience, and with proper care and attention, you can enjoy the taste of homegrown goodness on your plate. Happy gardening!


When is the best time to plant cauliflower?

The best time to plant cauliflower is in early spring or late summer.

What type of soil does cauliflower prefer?

Cauliflower prefers well-draining, fertile soil with a pH between 6.0 and 7.0.

How much sunlight does cauliflower need?

Cauliflower requires full sunlight for at least 6 hours a day.

How often should I water cauliflower plants?

Water cauliflower plants deeply once a week, providing about 1-1.5 inches of water.

What is the recommended spacing for cauliflower?

Space cauliflower plants 18-24 inches apart, with rows 24-36 inches apart.

How long does it take for cauliflower to mature?

Cauliflower takes approximately 60-85 days to reach maturity.

What are common pests and diseases affecting cauliflower?

Common pests and diseases affecting cauliflower include aphids, cabbage worms, and clubroot. Practice regular inspection and consider organic pest control methods.

How do I know when cauliflower is ready to be harvested?

Cauliflower is ready to be harvested when the heads are firm, compact, and reach a desirable size.

Can I grow cauliflower in containers?

Yes, cauliflower can be grown in large containers with a minimum depth of 12 inches.

Can I grow cauliflower from seeds?

Yes, cauliflower can be grown from seeds. Start seeds indoors 4-6 weeks before the last frost date or sow them directly into the garden.

Cauliflower is a versatile and nutritious vegetable that can be cooked in a variety of ways. It's an excellent source of vitamin C and other essential vitamins, minerals and dietary fiber and can help boost your immune system. It's low in calories and fats, making it a great choice for a healthy diet. Growing cauliflower is also relatively easy and can be done in many climates. With its many health benefits and ease of growth, cauliflower is a vegetable that should definitely be part of your garden.

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