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Angelica keiskei
Growing calendar
Typical timing for central Japan (Kanto region). Shift it for your own climate, and record your actual dates.
JanFebMarAprMayJunJulAugSepOctNovDec
Sow / plantGrowingHarvest
Guides
- Sowing Ashitaba Seed: Freshness, Chilling and a Very Slow Start
- Ashitaba Care: Water, Feeding, Shade and Getting Through Winter
- Harvesting Ashitaba: How Much to Take Without Stalling the Plant
- Ashitaba Bolting: Why Flowering Kills the Plant and How to Stop It
- The Ashitaba Year: Season by Season Jobs for a Perennial Leaf Crop
- Ashitaba Pests and Problems: Sap Burns, Aphids, Rot and Rust
Pests and diseases (3)
Problems recorded for this plant, most serious first.
Swallowtail Caterpillar
MajorPest
Leaves are eaten away from the base leaving only bare stalks. A single large caterpillar can strip an entire plant bare.
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.
Powdery Mildew
CommonDisease
White patches appear scattered on the upper leaf surface at first, then the whole leaf is coated in a white powder. Leaves later yellow, brown and die back, and reduced photosynthesis cuts growth and yield.
