The illustrated growing guide
Calamondin Orange
Citrus × microcarpa
Family Rutaceae
Est. zones 9-11

THE houseplant citrus: covered in fragrant blooms AND tiny orange fruit at the same time, all winter, on a sunny sill. Fruit is mouth-puckering raw but makes legendary marmalade and a Filipino cooking staple. The gateway to citrus obsession.

From the print shop
Growing calamondin orange? Hang it.
Our Orchard Vol. 2 collection carries calamondin orange — Citrus microcarpa, print Nº 15, “Calamondin.”
16 designsfrom $21.99white or black groundmatte poster, unframed
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Overview
Will calamondin orange suit your garden, and what goes wrong.
Will it fruit where you are?
Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what calamondin orange actually needs.

Calamondin Orange at a glance
Common calamondin orange problems
- Scale
- Spider Mites
- Mealybugs
- Root Rot
- chlorosis
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Growing
Light, water, soil, propagation and the season’s jobs.
How to grow calamondin orange: light, water & soil
How to plant & propagate calamondin orange
When to spray calamondin orange
Growing season. Oil for scale; check monthly indoors.
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The year
What calamondin orange asks for, month by month.
The calamondin orange year, month by month
What each band means
- Prune — shape it now — cuts heal cleanly and structure is visible.
- Harvest — picking time — check ripeness every few days.
The calamondin orange year as text
- Jan harvest
- Feb harvest
- Mar pruning, harvest
- Apr pruning, harvest
- May pruning, harvest
- Jun harvest
- Jul harvest
- Aug harvest
- Sep harvest
- Oct harvest
- Nov harvest
- Dec harvest
These are the species' typical months — expect them a few weeks earlier in warm zones and later in cold ones. Watch the plant, not just the calendar.
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Ecology & uses
What it does for the garden, and what it is grown for.
Calamondin Orange in the garden system
- Understory layer tree
What calamondin orange is grown for
✓ Commonly eatenSkin oils mild pet irritant
Harvesting & storing calamondin orange
Small tart orange fruit nearly year-round, holds on the tree beautifully.
Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.
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Cultivars
Named varieties of calamondin orange, ruled as a catalogue.
Best calamondin orange varieties & cultivars
Standard; variegated form (pink-fleshed, striped fruit)
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Sources & plant ID
Where the care distinctions come from, and how the plant is filed.
Research basis
Sources behind this profile
No extension citations are attached to calamondin orangeyet. The care figures below come from the library's own catalogue rather than a traced primary source.
Plant ID
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Where to buy
Third-party nurseries — not Story Thyme Farms.
Third-party nurseries, not Story Thyme Farms. Prices are theirs.
Story Thyme Farms may earn a small commission from these links, at no cost to you — it never changes what we recommend.
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Questions
Calamondin Orange questions, answered straight.
Do I need two calamondin orange plants to get fruit?
No — calamondin orange is self-fertile, so a single plant will set a crop. A second one usually improves yields, but it isn't required.
Is calamondin orange safe for kids and pets?
Calamondin Orange is commonly eaten and isn't considered toxic, but "commonly eaten" isn't a guarantee for any particular person or animal — allergies, quantity, and which part you eat all matter. One caveat on this one: Skin oils mild pet irritant. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.
When do you harvest calamondin orange?
Small tart orange fruit nearly year-round, holds on the tree beautifully.
How do you propagate calamondin orange?
Grafted, or from cuttings/layering (seed won't come true).
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Elsewhere
Where calamondin orange sits in the library.
Apple
Peach
Plum
Pluot