Sowing pumpkin: propagating and direct sowing

Sowing pumpkin seeds: what you need

• Organically produced pumpkin seeds of seed-resistant varieties
• Growing pots
• Alternative for potless cultivation: soil baler
• potting soil for seed starting

Our tip: find the right pumpkin variety for you

As there are an incredible number of different pumpkin varieties, you can find an overview of the most popular edible pumpkin varieties here.

Propagate pumpkin on the windowsill: Sowing pumpkin seeds

When are pumpkins sown?

So that you can plant out strong young plants in mid-May, you should start pre-cultivation about 2 to 4 weeks before the last frosts (mid/end of April), depending on the variety and environmental conditions.

Planting pumpkin seeds correctly: how to grow them

From the middle/end of April, place one seed at a time , point downwards, about 2 to 3 cm/0,8 to 1,2 in deep in a small pot of potting compost. Pumpkin seeds are sown individually and not pricked out, as the roots of the pumpkin plant are fragile and do not tolerate pricking out well. It is therefore better to give each seed its own pot. At temperatures between 20 and 24 °C/68 and 75,2 °F, the seeds usually germinate within a week. A glass or foil over the pot can help to achieve the germination temperatures. After germination, cooler temperatures between 16 and 20 °C/60,8 and 68 °F are sufficient for the seedlings.

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Planting out pumpkin seedlings

Pumpkin plants need to be hardened off before planting out in order to acclimatize to the environmental conditions and the weather. You should also prepare your pumpkin bed, as pumpkins are heavy feeders and therefore have high nutrient requirements. You can find out how to harden off your pumpkin seedlings and prepare your pumpkin patch in this article.

Planting pumpkin plants outdoors: how to do it

Now you can plant your pumpkin seedlings outdoors. Place the plants deeper in the soil than before. The plant will then develop additional roots, which will give it more stability. This is important because pumpkin plants have very fragile roots. Now water the plant well and apply a layer of mulch. As pumpkins grow very vigorously, you should allow plenty of space for the giants: there should be around 1.5 - 2 m/1,6 - 2,2 m between the rows and between 0.5 - 1.6 m/0.5 - 1.7 m in the row. One pumpkin covers about two square meters of bed area.

To ensure that your pumpkins thrive, it is important to look after your pumpkin plants. You can find out how to care for pumpkin in this article.

Sowing pumpkin directly

Depending on the location, sowing outdoors can be started after the last night frosts. In our latitudes, this is possible after the ice saints (mid-May). Pumpkin seeds only germinate from a soil temperature of at least 10 to 15 °C/50 to 59 °F. The seedlings and young plants are at the top of the snails' menu and will be happy to have a snail fence or cold frame until they are strong enough to withstand the molluscs. You can read more about preplanting or direct sowing in this article.

We wish you every success with your pumpkin sowing! If you have any questions or comments, please write to us at [email protected].

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Cover picture by AllNikArt on Pixabay.