When to Sow Cauliflower?

Cauliflower – cruciferous vegetable requiring constant moisture and fertile soil. Below you'll find exact sowing dates, growing requirements, recommended fertilization and companion plants — all from our plant database. Click the button to see dates personalised for your region in the interactive planner.

Sowing dates – 🥬 Cauliflower

Sowing dates Cauliflower
Indoor sowing Mar–Jul
Transplanting Apr–Aug
Direct sowing May–Jul
Harvest period Jul–Nov
Days to harvest75
Spacing 50 × 60 cm
Sowing depth 1 cm
Days to germination7

Growing requirements

Cauliflower (Brassica oleracea var. botrytis) belongs to the family: Brassica. The requirements below come straight from the app database – you will see the same values on the plant card in Gardener Planner.

Sunlight high
Water high
Soil loamy
pH 6.5–7.5
Family Brassica

Fertilization (NPK)

Approximate nutrient demand. For precise doses, test your soil first – the NPK fertilizer calculator will do the math for you.

Nitrogen (N) very high (22–30 g/m² per season)
Phosphorus (P) very high (70–90 mg/l in soil)
Potassium (K) very high (200–250 mg/l in soil)

Companion planting

Good companions reduce pests and diseases and make better use of bed space. Click a vegetable to see its sowing dates.

Good companions: Beetroot, Dill, Cucumber, Celery

Bad companions: strawberry, Tomato, Potato

Plan your Cauliflower in the app

Gardener Planner lets you match sowing dates to your climate zone, track progress and plan crop rotation across your whole garden.

Open Gardener Planner →

Frequently asked questions

When to sow Cauliflower indoors?

Sow Cauliflower indoors from Mar–Jul. Seedlings are ready to transplant after about 6–8 weeks.

When to transplant Cauliflower?

Transplant Cauliflower outdoors from Apr–Aug, after the last frost.

When to harvest Cauliflower?

Harvest Cauliflower from Jul–Nov (approx. 75 days from transplanting/germination).

What spacing and sowing depth?

Spacing: 50 × 60 cm. Sowing depth: 1 cm. Days to germination: 7.

What to plant next to Cauliflower?

Good companions: Beetroot, Dill, Cucumber, Celery. Bad companions: strawberry, Tomato, Potato.

When to Sow? – Sowing dates for every vegetable

🍅 Tomato · 🥕 Carrot · 🥒 Cucumber · 🥒 Greenhouse Cucumber · 🥬 Lettuce · 🫑 Pepper · 🥔 Potato · 🧅 Onion · 🥬 Cabbage · 🫘 Beans · 🫛 Peas · 🥬 Radish · 🥒 Zucchini · 🎃 Pumpkin · 🧄 Garlic · 🥬 Leek · 🥬 Spinach · 🥬 Beetroot · 🥦 Broccoli · 🥬 Kohlrabi · 🥬 Celery · 🌿 Parsley · 🥕 Parsnip · 🍆 Eggplant · 🌽 Corn · 🍠 Sweet Potato · 🥬 Asparagus · 🥬 Turnip · 🥬 Brussels Sprouts · 🥬 Kale · 🥬 Swiss Chard · 🥬 Arugula · 🥬 Endive · 🥬 Rhubarb · 🌿 Horseradish · 🌿 Fennel · 🥬 Artichoke · 🥬 Okra · 🥬 Watercress · 🌿 Chives · 🌿 Basil · 🌿 Dill · 🌿 Mint · 🌿 Thyme · 🌿 Rosemary · 🌿 Sage · 🌿 Oregano · 🌿 Cilantro · 🌿 Lovage · 🥬 Sorrel · 🫛 Broad Beans

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