When to Sow Potato?

Potato – staple vegetable requiring moderately 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 – 🥔 Potato

Sowing dates Potato
Indoor sowing—
Transplanting—
Direct sowing Apr–May
Harvest period May–Sep
Days to harvest90
Spacing 30 × 60 cm
Sowing depth 8 cm
Days to germination14

Growing requirements

Potato (Solanum tuberosum) belongs to the family: Nightshade. 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 sandy
pH 5.5–6.5
Family Nightshade

Fertilization (NPK)

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

Nitrogen (N) high (15–20 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: Beans, Horseradish, Turnip, Spinach

Bad companions: Pumpkin, Zucchini, Cucumber, Tomato

Plan your Potato 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 Potato indoors?

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

When to transplant Potato?

Potato is direct-sown and does not require transplanting.

When to harvest Potato?

Harvest Potato from May–Sep (approx. 90 days from transplanting/germination).

What spacing and sowing depth?

Spacing: 30 × 60 cm. Sowing depth: 8 cm. Days to germination: 14.

What to plant next to Potato?

Good companions: Beans, Horseradish, Turnip, Spinach. Bad companions: Pumpkin, Zucchini, Cucumber, Tomato.

When to Sow? – Sowing dates for every vegetable

🍅 Tomato · 🥕 Carrot · 🥒 Cucumber · 🥒 Greenhouse Cucumber · 🥬 Lettuce · 🫑 Pepper · 🧅 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 · 🌿 Basil · 🌿 Dill · 🌿 Mint · 🌿 Thyme · 🌿 Rosemary · 🌿 Sage · 🌿 Oregano · 🌿 Cilantro · 🌿 Lovage · 🥬 Sorrel · 🫛 Broad Beans

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