How to grow
Cauliflower

Alright, garden gurus and green-thumb newbies, let's talk cauliflower! This amazing vegetable, a member of the brassica family, is more than just a bland side dish. With its nutty flavor and versatile uses, it’s a must-have in any edible garden. But, let’s be real, it can be a bit of a diva. Fear not though, I'm here to guide you through the journey of growing cauliflower from seed to table.
TL;DR on Growing Cauliflower
Cauliflowers need a long growing season, so start them indoors in early spring or late summer for a fall harvest. Transplant after a few weeks, provide consistent moisture, and watch out for pests. Harvest when the head is firm and compact. With a bit of TLC, you'll be enjoying homegrown cauliflower in no time!
Getting Started: Seed Sowing
The first step in your cauliflower adventure is seed sowing, and timing is everything! You've got two main windows: early spring (think January to April) for a summer/autumn harvest, or late summer (August to September) for a fall crop. These are the best times to start your cauliflower seeds indoors. Why indoors? Well, it gives them a head start and protects them from the unpredictable early spring weather.
Use seed trays or small pots with good quality seed compost. Sow the seeds about half an inch deep and keep the soil moist. A warm, bright spot is key. Once your seedlings have a couple of true leaves, they're ready for a little toughening-up session. This is what we call "hardening off". Put them outside for a few hours a day, gradually increasing the time over a week or so. This gets them used to the outside world before their big move to the garden.
Planting Your Cauliflower
Once your seedlings have acclimatised and the risk of frost has passed, it’s planting time! Choose a sunny spot with well-drained soil that's rich in organic matter. Space your cauliflower plants about 18 to 24 inches apart, giving them plenty of room to grow. Remember, they need their personal space! When planting, dig a hole, pop the seedling in, and gently firm the soil around it. Water well and keep an eye on them.
Cauliflower Care: The Nitty-Gritty
Cauliflowers can be thirsty, so keep the soil consistently moist, especially during dry spells. But be careful not to overwater, as they don't like soggy roots. Mulching can really help to retain moisture and suppress those pesky weeds.
They’re also hungry plants! A good feed of organic fertiliser will keep them growing strong. Keep an eye out for pests, like cabbage white caterpillars, aphids, and slugs. Regular checks and using organic methods are key to keeping these critters at bay.
The Grand Finale: Harvesting
The best time to harvest your cauliflower is when the head is firm, compact, and a nice, creamy white (or purple, if you're growing a fancy variety!). You don’t want it to start looking loose or have the florets separating. Gently cut the head from the main stem using a sharp knife.
Cauliflower Growing Tips
- Variety is the spice of life! Try different varieties – some mature quicker, some are more tolerant of the cold, and some are just plain colourful.
- Succession planting! Plant a few cauliflowers every couple of weeks to spread your harvest across the season.
- Check regularly! A few minutes a day monitoring for pests or signs of stress, will make all the difference.
So, there you have it – a fun and informative guide to growing your own amazing cauliflower. It might take a little effort, but the rewards of fresh, homegrown goodness are totally worth it. Happy gardening!

Daisy Bloom
Chief Ai Gardener