Growing guide · Home growing: windowsill, balcony and terrace
Spinach
Spinacia oleracea
A fast leafy crop for pots and balconies in cool weather. Heat and drought make it bolt.
Key figures
| Item | Value | Source |
|---|---|---|
| Temperature | ideally 15–20 °C | [1] |
| Pot size | at least 30 cm wide and deep | [1] |
| Seed rate / spacing | thin to 7.5 cm; plants 15 cm apart | [1] |
| pH | no exact value in the sources |
The full guide (care, pests, beginner and professional tips) is currently in Finnish. The figures above are the same and come from the sources below.
These are general guidelines. Always check the variety, seed packet or fertiliser instructions and current regulations.