Heat The day after tomorrow will be hot in parts of the Netherlands: up to 29 degrees! Check whether your reservoir is still full, whether the mix is still moist, shade vulnerable plants around midday, and wait with sowing until it cools down.
Harvesting courgettes
The Black Forest F1 climbing courgette has a longer stem than other varieties, so you can tie it to a trellis.
Read the full guide to this variety here.
Here is how to harvest them: