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There are two types of Cauliflower, Winter and Summer ; both need a neutral to slightly alkaline soil. Test the PH balance of your soil with a ph tester available from our CountryLife store. If you have high acid soil, you can add lime to your soil to achieve a neutral to alkaline result. Being carefully not to add too much as the Cauliflower will not thrive in soil which is too alkaline either. Because of this it is very important to plan ahead when planting cauliflower, after adding any manure or lime to your soil you must allow it to settle and stabilise, we recommend leaving a period of two months between preparing your soil and planting your Cauliflower.

Winter Cauliflower

  • Winter Cauliflowers should be planted in a position which receives plenty of sun but it must be sheltered as they do not like cold winds.
  • The soil must be well watered, but have good drainage to avoid being water logged.
  • As they are a slow growing cauliflower they must not have too much manure added to the soil before planting. - ensure your growing area is not too rich.
  • Manure must be well mixed and left for the time period of two months.
  • Cauliflower should be planted out from the middle of spring and a minimum of 12 inches apart.
Summer Cauliflower
  • Summer cauliflower grows very quickly, so it requires a well manured ground.
  • Remember to keep an eye on you PH balance.
  • Summer cauliflower is sown in winter, so prepare your bed in Autumn.
  • Summer cauliflower needs a sheltered site from the wind but also a sunny area to try avoid frost damage.
  • When planting out, plant at a minimum of 12inches apart.
  • Sow cauliflower seeds ½ inch deep about 3 inches apart.
  • Seedlings are ready to plant out after 4 to 6 weeks when they have 4 to 5 true leaves
  • Water seedlings well the day before you plan to plant out.
  • Dig your holes roughly 18 – 24 inches apart.
  • Ensure the ground is very firm around the plants to help prevent club root.
  • The soil needs to be kept moist at all times.
  • Avoid watering directly onto the heads.
  • When plants are growing strong feed monthly with a fertiliser, such as Gromore.
  • Harvest the heads once they are 15-20cm in diameter and are firm.
  • Do not allow the heads to open out too much as they can go to seed very easy.
  • Cauliflowers can turn over night so inspect your cauliflower in the morning.
  • To harvest a cauliflower, grab hold of the stems and pull the complete plant out of the ground.
  • Remove elsewhere and cut off roots and stem to suit.
  • Leaves should be cut off at the same level as the head as soon as possible.