Citrus japonica
Kumquat
Common names: Dwarf Orange, Oval Kumquat
Photo: Public Domain · Source
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Description
The kumquat is the most frost‑hardy citrus plant and remains a small ornamental tree especially suitable for balconies. Its small, oval fruits are eaten whole, including the sweet, aromatic rind, while the flesh is slightly tart. It blooms in summer and bears fruit abundantly through winter. In the DACH region it overwinters in a bright, cool location and tolerates brief, mild frosts.
Care instructions
Plant the kumquat outdoors in full sun and sheltered from wind from mid‑May (week 20). Water evenly with low‑alkalinity water and fertilize with citrus fertilizer from April to September. Overwinter it in a bright spot at 5 to 12 °C and water sparingly thereafter. Prune lightly in spring (March, week 11) to keep the tree bushy and compact.
Soil & site
Soil pH
Soil type
humus-rich, well-drained, sandy, lime-avoiding
Feeding
Heavy feeder
Companion planting
Companion planting is partly traditional gardening lore. Where the reason is known, it is given.
Diseases & pests
1 relevantFrom the knowledge base, automatically linked by affected species. How to spot and prevent them is covered in full in the lexicon.
Pseudococcus spp.
Mealybugs (Pseudococcus spp.) are small, sap sucking insects that camouflage themselves with a cottony layer of wax and prefer to sit in leaf axils, at shoot tips and along the leaf veins.
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