BonsaiList · Field care cardzones 5–9
Black Pine Bonsai
Pinus thunbergii
Outdoor tree. Kept indoors it declines slowly, then dies. It needs real seasons.
- Light
- Full sun
- Water
- Moderate, well-drained
- Soil
- Fast-draining, mostly inorganic
- Temperature
- Hardy to -20°F in the ground; protect the pot below ~20°F
- Feeding
- Heavy feeding, spring and fall
- Repotting
- Every 3-5 years
The year at a glance
FeedPrune
prune: early summer (decandling), fall (needle pulling)