When to Sow Asparagus?

Asparagus – perennial vegetable. Requires patience - full harvest after 3 years. 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 – 🥬 Asparagus

Sowing dates Asparagus
Indoor sowing—
Transplanting—
Direct sowing Mar–Apr
Harvest period Apr–Jun
Days to harvest730
Spacing 40 × 100 cm
Sowing depth 5 cm
Days to germination21

Growing requirements

Asparagus (Asparagus officinalis) belongs to the family: Asparagus. 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 6.5–7.5
Family Asparagus

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) medium (40–60 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, Parsley, Basil

Bad companions: Onion, Garlic

Plan your Asparagus 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 Asparagus indoors?

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

When to transplant Asparagus?

Asparagus is direct-sown and does not require transplanting.

When to harvest Asparagus?

Harvest Asparagus from Apr–Jun (approx. 730 days from transplanting/germination).

What spacing and sowing depth?

Spacing: 40 × 100 cm. Sowing depth: 5 cm. Days to germination: 21.

What to plant next to Asparagus?

Good companions: Tomato, Parsley, Basil. Bad companions: Onion, Garlic.

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 · 🥬 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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