Poncirus trifoliata (Hardy Orange)
Botanical Information
| Family | Rutaceae |
| Genus | Poncirus |
| Species | trifoliata |
| Category | Woody |
| Type | Shrub (deciduous) |
| Origin | Native to Central and Northern China. |
Details
| USDA Hardiness Zone | 5-9 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 6 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H3-H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -28.9-(-1.1) |
| Temperature (°F) | -20-30 |
| Height | 2-6 m |
| Spread | 1-4 m |
| Flowering Period | April, May |
Description and Growing Information
| Landscape | Suited as a hedge but in low foot traffic areas because of the thorns. |
| Cultivation | Prefers moist, well-drained soils in full sun. |
| Notable Specimens | Lanhydrock House and Garden, Bodmin, Cornwall, United Kingdom. |
| Bark/Stem Description | The stems are spiny and dark green. |
| Leaf Description | The three-lobed leaves are glossy and thick. They are yellow to pale green in the spring and turn dark green throughout the summer and into autumn. |
| Flower Description | The white flowers have 4-7 petals and grow 5-7 cm across. |
| Fruit Description | The miniature orange-like fruit is orange-yellow and grow 2-5 cm in diameter. |
Photographs
Poncirus trifoliata, form. Lanhydrock House and Garden, Bodmin, Cornwall, United Kingdom.
Poncirus trifoliata, flower. Lanhydrock House and Garden, Bodmin, Cornwall, United Kingdom.
Poncirus trifoliata, flower. Lanhydrock House and Garden, Bodmin, Cornwall, United Kingdom.
Poncirus trifoliata, flower bud. Lanhydrock House and Garden, Bodmin, Cornwall, United Kingdom.
Poncirus trifoliata, stem showing thorns. Lanhydrock House and Garden, Bodmin, Cornwall, United Kingdom.