How to Harvest Cauliflower

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Advice on when to harvest cauliflower and how to store it for later
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Harvest your cauliflower when it is white, firm and large. Typically, it is ready about 2-3 months after you plant the seedlings. Make a cut towards the base of the plant and remove the leaves, and then refrigerate or freeze your cauliflower until you want to cook it . Your cauliflower will stay fresh in the fridge for up to 1 week.

Part 1
Part 1 of 3:

Harvesting Your Cauliflower Head

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  1. Cauliflower is a cold-weather crop, but you may be able to grow it in your spring garden if you live in an area where the temperature remains under 85 °F (29 °C) during the spring and summer. If you planted your cauliflower in late April or May, you can harvest it in late August or early September. [1]
  2. Since cauliflower is a cold-weather crop, you should grow it in a cool season, depending on your area's climate. In warm climates, fall is often the best option, as long as the temperatures remain below 85 °F (29 °C). If you plant your cauliflower in late August or early September, you can harvest it in November or December. [2]
    • The optimal growing season for cauliflower depends on your climate.
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  3. Healthy cauliflower grows 1 large head in the center of the plant. When the head of your cauliflower is compact and sizable, it is are ready for harvest. Avoid harvesting them too early before the head is completely white. Also, avoid waiting to harvest until the head of the cauliflower spreads out. [3]
    • Your cauliflower will taste bitter and tough if you harvest them before or after they are ready.
    • If you see a flower emerging from the plant, you’ve waited too long to harvest.
    • Cauliflower requires consistent temperatures around 60 °F (16 °C). If the temperatures are warm, the plant will form small "button" heads rather than a large white head.
  4. To harvest your cauliflower, make a cut at a 45-degree angle close to the bottom of the plant. You can leave 4–6 in (10–15 cm) of stalk with your cauliflower so it’s easier to prepare.
    • The plant will continue to grow small cauliflower heads where you make your cut. You can harvest these, as well.
  5. The head of the cauliflower plant grows directly in the center, and many large, dark leaves grow around the head. After you cut off the head, you should remove the leaves as well. Rip the leaves off with your fingers, or use garden shears to snip them off where they meet the stem. [4]
    • This helps the plant continue to grow new cauliflower.
    • You can sauté the leaves as a hearty side or look for cauliflower leaf recipes, for instance. Cook them as you would any other type of greens.
    • If you are disposing of the leaves, consider using a compost bin .
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Part 2
Part 2 of 3:

Harvesting Florets and Leaves

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  1. Your cauliflower plant will continue to grow even after you cut off the head. To maintain your plant, give it 1–1.5 in (2.5–3.8 cm) of water once a week. Along with normal rainfall, this should be plenty to keep your plants healthy. [5]
  2. After you harvest the main head of the cauliflower, your plant is not necessarily finished growing. The plant continues to produce small florets after the main head is chopped off. To cut these off, use a sharp knife and make a slice 1–3 in (2.5–7.6 cm) from the top of the florets.
    • Shoots start to grow where you made your main cut, and after 2-4 weeks you may find additional cauliflower to harvest.
  3. After your cauliflower grows additional florets, it will stop developing decently sized side shoots. At this point, the plant is finished growing for the season. To harvest the leaves, rip them off with your hands or use gardening shears to cut them at the base of the stem. You can then cook with the leaves or add them to a compost pile.
    • Cauliflower is a biennial plant, so it will grow to size in 2 years, provided that it doesn't die over the winter.
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Part 3
Part 3 of 3:

Cleaning and Storing Your Cauliflower

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  1. Use a sharp knife and firm pressure to remove the stalk where it meets the head of the cauliflower. Then, make small cuts to get rid of any light green leaves that remain around the cauliflower head. [6]
    • This way, you can easily cook it when you are ready.
  2. thoroughly with cool water and vinegar. Use cool water from your faucet, and let it run for 30-60 seconds. You can use a vegetable wash to thoroughly clean the cauliflower. Mix 1 ⁄ 2 cup (120 millilitres) of white vinegar with 2 cups (470 millilitres) of water, and soak your cauliflower for 5-15 minutes. Then, rinse the cauliflower again. [7]
    • This removes dirt and debris from your cauliflower.
    • Alternatively, you can use a commercial vegetable wash product.
  3. After your cauliflower is clean, let it dry completely before you store it. This way, your cauliflower stays as fresh as possible. It should dry in about 5-10 minutes. [8]
    • You can use a clean kitchen towel or a paper towel.
  4. Use a large produce bag or freezer bag to house your cauliflower until you prepare it. Squeeze out any extra air, and securely close the top. Then, be sure to place the bag in the fridge. [9]
    • Your cauliflower will stay fresh in the fridge for 4-7 days.
  5. If you want to keep your cauliflower longer than 1 week, your best option is the freezer. Simply take your bagged cauliflower, and place it in a spot in your freezer. When you want to it, take it out of the freezer 1-2 hours early to thaw. [10]
    • You can thaw your cauliflower in the fridge or at room temperature.
    • As an alternative, you can chop up your cauliflower before you freeze it. You can then pull out the amount you need and toss it into the dish you're preparing, using it the same way you would use commercially frozen vegetables. You may not even need to thaw it, depending on the recipe.
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References

  1. ↑ https://www.almanac.com/plant/cauliflower
  2. ↑ https://www.almanac.com/plant/cauliflower
  3. ↑ https://www.almanac.com/plant/cauliflower
  4. ↑ https://harvesttotable.com/how_to_grow_cauliflower/
  5. ↑ https://www.almanac.com/plant/cauliflower
  6. ↑ https://harvesttotable.com/how_to_grow_cauliflower/
  7. ↑ https://www.almanac.com/plant/cauliflower
  8. ↑ https://www.almanac.com/plant/cauliflower
  9. ↑ https://www.almanac.com/plant/cauliflower
  1. ↑ https://www.almanac.com/plant/cauliflower

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  • Question
    How can I keep cauliflower firm?
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    This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.
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    Assuming you're growing the cauliflowers yourself, this advice applies to after harvesting. Keep the roots intact and shake off the soil. Hang the cauliflowers upside down in a shed or similar place which is both cool and dry. They will stay firm for up to 3 weeks if stored like this. If you want to keep the cauliflower firm in the kitchen, keep refrigerated in the vegetable crisper and use within the week.
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    What sort of soil do cauliflowers prefer?
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    Cauliflowers grow best in alkaline soils. If the soil is acidic, add some lime to balance the pH. The soil should also be one that drains well when watered. Improve the soil with compost.
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    When is a cauliflower ready to be harvested?
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    A cauliflower is ready to be harvested when the head has reached a width of 6–8 in (15–20 cm). The whole head should be firm, compact and white in color. If the head is not yet compact, then it's not ready to be harvested. If the florets are spread and the head appears sparse, then you've waited too long.
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      Things You’ll Need

      • Knife
      • Garden shears
      • Freezer bags

      Tips

      • The head of your cauliflower plants will likely look a bit smaller than those you see at the grocery store.
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      Warnings

      • Throw the cauliflower into a compost bin or the trash if it has a coarse appearance. This happens when the plant is too mature and it often has a bitter taste.
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      • If your plant starts flowering, that’s okay. You can still eat it, though the taste and texture will be slightly off.
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