Hardy Edibles

Rutaceae

Japanese sansho

Zanthoxylum piperitum

Japanese sansho

Photo: Didier Descouens — CC BY-SA 4.0 · source

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Survives zone 6 through 9

Citrus as familiar. ⚠ Zanthoxylum = a numbing SPICE (husks), not a fruit.

Hardiness
Zone 6 to 9
Habit
Shrub
Edible part
Fruit
Ripens
Winter (citrus)
Mature size
EXCELLENT in containers — kumquat, Meyer lemon ideal for urban growing
Light
Full sun to partial (understory-capable)
Soil pH
6.0–6.5 (slightly acid)
Environment
Temperate
Status
Cultivated
Years to fruit
2–3 yrs
Pollination
Dioecious — needs male + female