When to Sow Jerusalem Artichoke?
Jerusalem Artichoke is a popular garden vegetable grown across temperate climates. 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 – 🥔 Jerusalem Artichoke
| Sowing dates | Jerusalem Artichoke |
|---|---|
| Indoor sowing | — |
| Transplanting | — |
| Direct sowing | Mar–Apr |
| Harvest period | Oct–Nov |
| Days to harvest | 180 |
| Spacing | 40 × 75 cm |
| Sowing depth | 10 cm |
| Days to germination | 21 |
Growing requirements
Jerusalem Artichoke (Helianthus tuberosus) belongs to the family: Aster. 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 | 5.8–7.5 |
| Family | Aster |
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 (4–6 g/m² per season) |
| Phosphorus (P) | low (30–50 mg/l in soil) |
| Potassium (K) | medium (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.
Bad companions: Potato, Tomato
Plan your Jerusalem Artichoke 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 Jerusalem Artichoke indoors?
Jerusalem Artichoke does not need to be started indoors — sow directly into the garden.
When to transplant Jerusalem Artichoke?
Jerusalem Artichoke is direct-sown and does not require transplanting.
When to harvest Jerusalem Artichoke?
Harvest Jerusalem Artichoke from Oct–Nov (approx. 180 days from transplanting/germination).
What spacing and sowing depth?
Spacing: 40 × 75 cm. Sowing depth: 10 cm. Days to germination: 21.
What to plant next to Jerusalem Artichoke?
Good companions: Corn, Beans. Bad companions: Potato, Tomato.
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 · 🌿 Basil · 🌿 Dill · 🌿 Mint · 🌿 Thyme · 🌿 Rosemary · 🌿 Sage · 🌿 Oregano · 🌿 Cilantro · 🌿 Lovage · 🥬 Sorrel · 🫛 Broad Beans · 🍓 Strawberry · 🍉 Watermelon · 🍈 Melon · 🥬 Pak Choi · 🎃 Pattypan Squash · 🥬 Lamb's Lettuce · 🌿 Tarragon · 🌿 Lemon Balm · 🌿 White Mustard · 🌿 Phacelia