Poncirus trifoliata
Trifoliate orange · also Hardy orange, Japanese bitter-orange, Chinese bitter orange
Report an issue with this species
The trifoliate orange is a unique citrus species known for its deciduous, compound leaves and downy fruit. It is a cold-hardy plant that can grow as a large shrub or small tree, reaching 4-8 meters in height. Its hardiness makes it a valuable rootstock for grafting other citrus varieties.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 110.01%—5.1 in
- 50.00%—2.0 in
- 40.00%——
- 20.00%——
No city in this list records planting dates for this species, so age is blank throughout.
Traits
- Foliage
- Deciduous
- Mature height
- 13.1–26.2 ft
- USDA zones
- 6
Trunk diameters across every city: median 4.6 in, mean 6.5 in, 90th percentile 12 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Broadleaf & Mixed Forests
- Central China Loess Plateau mixed forests
- Central Korean deciduous forests
- Northeast China Plain deciduous forests