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Pinus thunbergii
Growing calendar
Typical timing for central Japan (Kanto region). Shift it for your own climate, and record your actual dates.
JanFebMarAprMayJunJulAugSepOctNovDec
Active growthFlowering / fruitingDormant
Guides
- Planting a Japanese Black Pine: Sun, Sharp Drainage and Salt Wind
- Pruning Japanese Black Pine: Decandling, Candle Pinching and Needle Plucking
- Japanese Black Pine Care: Watering, Feeding and Growing One in a Pot
- Japanese Black Pine Through the Year: Candle Stages and What to Do
- Japanese Black Pine Problems: Pine Wilt, Scale, Tip Blight and Dieback
- Training a Japanese Black Pine: Shaping Trunk, Branches and Silhouette
Pests and diseases (3)
Problems recorded for this plant, most serious first.
Aphids
CommonPest
Small green or black insects cluster on shoot tips and leaf undersides, crinkling the leaves and stopping growth. The honeydew they excrete supports sooty mold that blackens the foliage.
Scale Insects
CommonPest
Small white or brown shell-like insects dot the shoots and leaves. The plant loses vigor and honeydew-fed sooty mold blackens the shoots and foliage.
Sooty Mold
CommonDisease
A thin black sooty mold spreads over the upper leaf surface, shoots and fruit. It does not invade the tissue itself, but it blocks photosynthesis and badly spoils appearance.
