Sowing dates

When to Sow Zucchini?

Zucchini – very productive vegetable from the squash family. Requires plenty of space. 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 – 🥒 Zucchini

Sowing dates Zucchini
Indoor sowing Apr–May
Transplanting May–Jun
Direct sowing May–Jun
Harvest period Jun–Sep
Days to harvest50
Spacing 80 × 100 cm
Sowing depth 3 cm
Days to germination7

Growing requirements

Zucchini (Cucurbita pepo) belongs to the family: Cucurbit. 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 6–7.5
Family Cucurbit

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) high (60–80 mg/l in soil)
Potassium (K) high (175–225 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: Onion, Corn

🔍 Zucchini diseases — identify them by photo →

Plan your Zucchini 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 Zucchini indoors?

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

When to transplant Zucchini?

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

When to harvest Zucchini?

Harvest Zucchini from Jun–Sep (approx. 50 days from transplanting/germination).

What spacing and sowing depth?

Spacing: 80 × 100 cm. Sowing depth: 3 cm. Days to germination: 7.

What to plant next to Zucchini?

Good companions: Onion, Corn.

When to Sow? – Sowing dates for every vegetable

🍅 Tomato · 🥕 Carrot · 🥒 Cucumber · 🥒 Greenhouse Cucumber · 🥬 Lettuce · 🫑 Pepper · 🥔 Potato · 🧅 Onion · 🥬 Cabbage · 🫘 Beans · 🫛 Peas · 🥬 Radish · 🎃 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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