How Long Does Cauliflower Take To Grow

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Last Updated on January 23, 2022 by

How long does cauliflower take to grow under the right growing conditions and weather whether indoors or outdoors?

Cauliflower (Brassica Oleracea Var. Botrytis) is a cool-weather vegetable in the Brassicaceae family that includes Brussels, broccoli, cabbage, sprouts, kale, and kohlrabi.

It has edible leaves, stems, and dense flower heads that are a substantial source of Vitamins K, B, C, and lots of fiber.   Heads are also known as curds and they come in different colors –white, purple, or green colors.

Broccoflower is commonly confused with cauliflower but it’s a hybrid cross between cauliflower and broccoli resulting in green heads.

This is a cool-weathered crop that requires event temperatures to reach harvest in up to 100 days. It is a half-hardy biennial that is grown as an annual.

Cauliflower Planting Time

Cauliflower is easy to grow plants given the perfect growing conditions. Start your cauliflower seeds indoors at least 6 to 10 weeks before the last frost date in spring. These seeds germinate at 45 degrees F.

You can also grow your cauliflower from transplants.  Plant them into the garden 2 to 6 weeks before the last frost about 6 weeks after sowing when plants have at least 4 to 5 leaves.

Cauliflower does not tolerate extremes of hot or cold temperatures but needs a cool climate all through.  You can plant them in autumn for a winter harvest where the winters are mild and frost-free.  Extreme temperatures cause these plants to bolt and grow seeds without producing heads.

For a fall harvest crop, plant them 8 to 12 weeks before the first expected frost in the fall.

Cauliflower Planting And Spacing

Now that you know when to plant, go ahead and sow your seeds or plant the transplants in the right spacing.

  • Sow the seeds at least ½ inch deep and 2 to 3 inches apart.
  • Thin the plants at least 15 to 24 inches apart spacing the rows at 24 to 30 inches apart.
  • Plant the transplants deeply up to their first leaves so they will not grow top-heavy.
  • If you want succession crops, plant a couple of heads at a time or plant early and midseason varieties at the same time for an all-round harvest.

Survival Garden Seeds – Snowball Cauliflower Seed for Planting

How Long Does Cauliflower Take To Grow?

Transplants come to maturity in 55 to 80 days while seeds require 70 to 120 days depending on the variety or the days it takes after blanching.  The number of days is the same whether you are growing your plants outdoors or indoors. When the heads are compact, white, and firm, then it comes time to harvest them. Mature heads normally grow about 6 to 8 inches in diameter.

If you notice your heads are small but they have started to open up, this means they will not grow anymore therefore harvest them immediately. If you notice the heads have a coarse appearance it means they are past maturity; toss them instead of using them.

Harvesting And Storing Cauliflower

But when to when to harvest cauliflower? Once you ensure your heads are mature according to the information above, harvest them by cutting the head off using a sharp knife or scissors. You can also harvest the leaves and cook them like collards or cabbage.

Harvesting And Storing Cauliflower

Cauliflower will last at least one week in the fridge without washing.  Wrap them in plastic to avoid any contact with water and keep them in the vegetable section of your fridge.  They can be frozen or pickled too to make them last longer.

Cauliflower Varieties To Grow

There are various varieties to choose from when you want to grow your cauliflower.  They include

  1. White Cauliflower.  This variety comes with several types under it with each taking different days to grow.  It is the most common type popularly grown by most gardeners.  It has some of the biggest heads and takes between 52 to 100 days to mature.
  2. Purple Cauliflower.  These are purple in color and growing in popularity.  They take between 55 to 200 days to mature.
  3. Green And Broccoflower.  These are green in color almost looking like broccoli.  They take around 62 days to mature.
Cauliflower Varieties To Grow


How many heads of cauliflower do you get from one plant?

Cauliflower is a cool-season crop, meaning it needs cool weather to thrive. It also grows best in rich soil.

Cauliflower flowers are called heads, and you can harvest them when they are mature. If you want to save the head for later, you can harvest them when the buds start to open.

One plant gives one head.

If you live in a hot climate, this means you will need to be very careful when you are planting your crop, because it does not like heat. Cauliflower will grow best if the temperature is around 50 degrees F. When temperatures are much below that, the crop will not do well. Cauliflower is an annual plant.

What is the best month to plant cauliflower?

Cauliflower is a cool-season crop. It is very easy to grow and can be planted in May or June, depending on where you live. You can plant it in the fall, too, but the weather will be colder and the soil drier. It’s best to plant your seedlings 6 inches apart in rows 2 feet apart.

How long does cauliflower take to harvest?

Cauliflower plants need plenty of space. They need at least 1 foot between them to grow big. When they reach this size, they will bolt, which means the stems will begin to swell and start to turn yellow. This is a good thing, as it means the plants are ready to harvest.

The heads of cauliflower can be harvested in any stage of development. When they are small, the heads are quite mild and can be used for salads or steamed. As the heads grow larger, the flavor becomes more intense and the texture becomes firmer.

What do you feed cauliflower plants?

Like most vegetables, cauliflower needs a lot of nutrients.

Cauliflower is a cruciferous vegetable that is easy to grow, but it can be finicky about water and nutrients. Cauliflower has the potential to grow very quickly, but it needs lots of water and fertilizer. The plant grows to an edible head in 3 to 4 weeks if the conditions are right.

The plants can be grown indoors in a window or under a grow light. You can also buy seed from a garden center or seed company. When you first plant the cauliflower, it will be small and have few leaves. This is because it needs time to develop roots. Once the root system is established, the cauliflower will grow quickly.

It's a cool weather crop, so it grows best in the spring and summer. If you plant your seeds indoors, you can start them as early as February or March. If you're planting outside, you can plant seedlings as soon as the soil is warm enough. Keep an eye on your cauliflower to make sure it doesn't get too big too fast.

You don't want to cut off the leaves when they're young because that will stunt the growth of the plant. You can harvest the leaves when the plant is about six inches tall, but if you don't cut them back they'll grow back. If you have a large head of cauliflower, it's probably best to harvest the leaves when the head is about the size of your head.

Cauliflower is one of the most popular vegetables in the world, with the global production reaching around 100 million tonnes a year. The plant is cultivated worldwide, but it’s native to Central and South America. The first cauliflower plants were brought to Europe in the 16th century by Italian traders. The name “cauliflower” comes from the Latin word caulis, meaning “cabbage”.

Growing Cauliflower Conclusion

When you plant your cauliflower do not allow the ground to dry out, these vegetables love moist soils and will thrive in well-drained soils.

You will need to blanch your cauliflower plants as they begin to mature or as the head begins to form to protect the head from injury or too much sun.  Start blanching when the head is the size of an egg.

Draw three or four leaves over the head and secure them with a rubber band. Check regularly to ensure the plant is doing well.  Untie to peel and tie it back if need be o leave it open if you notice it fully develops.

Read more about How Far Apart To Plant Cauliflower?

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