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treePerennialEdible
Kumquat
Citrus japonica
Also known as: kumquat tree
Small citrus tree producing tiny oval fruit eaten whole — sweet rind with tart flesh. Hardiest common citrus. Excellent container plant.
Growing Requirements
SunFull Sun
WaterMedium
Soil Type
Soil Drainage
Soil pH
Plant Spacing72–120″
Row Spacing72–120″
Planting Depth—
Height72–180″
Spread60–120″
✓ Container Friendly✗ Not Raised Bed Friendly
Planting Schedule
Transplant Outdoors
2–9 weeks after last frost
Days to Harvest
730–1095 days
Zone Suitability
USDA Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Zones 8–11
Can overwinter in appropriate zones
Perennial in zones 8–11
Hardiest common citrus — tolerates brief freezes to 18°F. Self-fertile. Excellent container specimen. Eat fruit whole including sweet rind.
Companion Plants
No companion data available for this plant yet.