Sowing dates

When to Sow Basil?

Basil – aromatic culinary herb. Excellent companion for tomatoes. 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 – 🌿 Basil

Sowing dates Basil
Indoor sowing Mar–May
Transplanting May–Jun
Direct sowing May–Jun
Harvest period Jun–Sep
Days to harvest60
Spacing 20 × 30 cm
Sowing depth 0.5 cm
Days to germination7

Growing requirements

Basil (Ocimum basilicum) belongs to the family: Mint. 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 medium
Soil loamy
pH 6–7.5
Family Mint

Fertilization (NPK)

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

Nitrogen (N) medium (10–14 g/m² per season)
Phosphorus (P) medium (50–70 mg/l in soil)
Potassium (K) medium (150–200 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: Tomato, Pepper, Asparagus, Cucumber

Plan your Basil 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 Basil indoors?

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

When to transplant Basil?

Transplant Basil outdoors from May–Jun, after the last frost.

When to harvest Basil?

Harvest Basil from Jun–Sep (approx. 60 days from transplanting/germination).

What spacing and sowing depth?

Spacing: 20 × 30 cm. Sowing depth: 0.5 cm. Days to germination: 7.

What to plant next to Basil?

Good companions: Tomato, Pepper, Asparagus, Cucumber.

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 · 🥬 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 · 🌿 Dill · 🌿 Mint · 🌿 Thyme · 🌿 Rosemary · 🌿 Sage · 🌿 Oregano · 🌿 Cilantro · 🌿 Lovage · 🥬 Sorrel · 🫛 Broad Beans

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