When to Sow Radish?

Radish – very fast-growing root vegetable. Ideal for beginners. 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 – 🥬 Radish

Sowing dates Radish
Indoor sowing—
Transplanting—
Direct sowing Mar–Aug
Harvest period Apr–Sep
Days to harvest25
Spacing 3 × 15 cm
Sowing depth 1 cm
Days to germination5

Growing requirements

Radish (Raphanus sativus) 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 medium
Water medium
Soil loamy
pH 6–7
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) low (5–8 g/m² per season)
Phosphorus (P) low (40–60 mg/l in soil)
Potassium (K) low (125–175 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: Beans, Peas, Carrot, Parsnip, Parsley, Leek, Lettuce, Cucumber, Tomato, Spinach

Plan your Radish 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 Radish indoors?

Radish does not need to be started indoors — sow directly into the garden.

When to transplant Radish?

Radish is direct-sown and does not require transplanting.

When to harvest Radish?

Harvest Radish from Apr–Sep (approx. 25 days from transplanting/germination).

What spacing and sowing depth?

Spacing: 3 × 15 cm. Sowing depth: 1 cm. Days to germination: 5.

What to plant next to Radish?

Good companions: Beans, Peas, Carrot, Parsnip, Parsley, Leek, Lettuce, Cucumber, Tomato, Spinach.

When to Sow? – Sowing dates for every vegetable

🍅 Tomato · 🥕 Carrot · 🥒 Cucumber · 🥒 Greenhouse Cucumber · 🥬 Lettuce · 🫑 Pepper · 🥔 Potato · 🧅 Onion · 🥬 Cabbage · 🫘 Beans · 🫛 Peas · 🥒 Zucchini · 🎃 Pumpkin · 🧄 Garlic · 🥬 Leek · 🥬 Spinach · 🥬 Beetroot · 🥦 Broccoli · 🥬 Cauliflower · 🥬 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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