Growing guide · Vegetable garden and berries
Zonal pelargonium (geranium)
Pelargonium × hortorum
A summer balcony and pot flower that can be overwintered indoors.
Key figures
| Item | Value | Source |
|---|---|---|
| Light | full sun | [1] |
| Germination temperature | on a heat mat at 21–24 °C (70–75 °F) | [1] |
| Sowing / planting | indoors in January or February | [1] |
| Watering | in pots, may dry out between waterings | [1] |
| Plant size | 30–90 cm (1–3 ft) | [1] |
Houseplant or ornamental: no harvest. Block tasks are watering, feeding, repotting, pruning and pest checks per the guide.
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.