When to Sow Greenhouse Cucumber?
Greenhouse Cucumber – variety intended for greenhouse cultivation, producing long, smooth fruits. 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 – 🥒 Greenhouse Cucumber
| Sowing dates | Greenhouse Cucumber |
|---|---|
| Indoor sowing | Apr |
| Transplanting | Apr–May |
| Direct sowing | May–Jun |
| Harvest period | May–Oct |
| Days to harvest | 50 |
| Spacing | 50 × 80 cm |
| Sowing depth | 1.5 cm |
| Days to germination | 5 |
Growing requirements
Greenhouse Cucumber (Cucumis sativus) 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 |
| 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: Basil, Beans, Beetroot, Onion, Garlic, Peas, Cauliflower, Kohlrabi, Cabbage, Dill, Corn, Lettuce, Celery, Radish
Bad companions: Potato
Plan your Greenhouse Cucumber 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 Greenhouse Cucumber indoors?
Sow Greenhouse Cucumber indoors from Apr. Seedlings are ready to transplant after about 6–8 weeks.
When to transplant Greenhouse Cucumber?
Transplant Greenhouse Cucumber outdoors from Apr–May, after the last frost.
When to harvest Greenhouse Cucumber?
Harvest Greenhouse Cucumber from May–Oct (approx. 50 days from transplanting/germination).
What spacing and sowing depth?
Spacing: 50 × 80 cm. Sowing depth: 1.5 cm. Days to germination: 5.
What to plant next to Greenhouse Cucumber?
Good companions: Basil, Beans, Beetroot, Onion, Garlic, Peas, Cauliflower, Kohlrabi, Cabbage, Dill, Corn, Lettuce, Celery, Radish. Bad companions: Potato.
When to Sow? – Sowing dates for every vegetable
🍅 Tomato · 🥕 Carrot · 🥒 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