Growing guide · Home growing: windowsill, balcony and terrace
Columnar apple and dwarf fruit trees
Malus domestica (pylväsmuoto ja kääpiöperusrungot)
A narrow columnar apple or an apple on a dwarfing rootstock suits a large pot on a balcony or terrace.
Key figures
| Item | Value | Source |
|---|---|---|
| Pot size | at least 45 cm in diameter, loam-based compost | [1] |
| Plant size | columnar apple at maturity about 2.1–3 m tall and 0.6–0.9 m wide (7–10 × 2–3 ft) | [2][3] |
| Rootstock | for pots a dwarfing M9 or M26 rootstock | [1] |
| Pollination | most need another variety flowering at the same time nearby unless self-fertile | [1][2] |
| 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.