fruit tree
Sri Kembangan starfruit
Sri Kembangan starfruit is a fruit tree noted for sweet carambola variety and container-friendly when young. It grows in USDA zones 9b-11a, prefers full sun and loam and sandy soils, and harvest timing is star-shaped fruit in warm seasons.
Fit and caveats
Sri Kembangan starfruit is a tropical fruit tree for frost-free sites or protected containers; it is not a cold-hardy backyard fruit. It also carries an important food-safety caveat: people with kidney disease should avoid starfruit unless a physician says otherwise.
Best fit
- Protected warm sites or containers in its listed zone range with the right support and drainage.
- Collectors in warm climates who want a specialty fruit and can manage cold protection.
- Gardeners who can harvest carefully and process fruit promptly.
Use caution
- Cold injury is the main limiting factor outside subtropical regions.
- Starfruit is not appropriate for people with kidney disease unless cleared by a doctor.
- Do not treat tropical fruit hardiness ranges as a substitute for actual winter-low history in the ZIP.
Regional notes
- In Florida and similar climates, follow UF/IFAS guidance for tropical fruit pests and cold protection.
- In desert or dry regions, prickly pear is much more realistic than humid-tropical tree fruits.
- In colder states, containers need enough light indoors; simply moving a tropical fruit into a dark garage is not a fruiting strategy.
Comparison note: Compared with citrus, Sri Kembangan starfruit is usually more specialty and less broadly adapted. It should appear as a possible fit only when the gardener's site and winter-protection plan are explicit.
Photos
Photos show a representative plant in the garden. Fruit color, size, and growth habit can vary by cultivar, season, nursery stock, and site.
Photo sources: Dinesh Valke from Thane, India / Wikimedia Commons (CC BY-SA 2.0)
Harvest and uses
- Harvest window
- star-shaped fruit in warm seasons
- Yield return
- 8-80 lb/plant/year
- First harvest
- 3-6 yrs
- Best for
- Fruit, Curb appeal & color
- Notable traits
- sweet carambola variety, container-friendly when young
Spacing, yield, and timing
How far apart should you plant Sri Kembangan starfruit?
Plant Sri Kembangan starfruit at 10-20 ft in-row x 12-25 ft rows. Adjust this starting point for trellises, hedges, rootstock, containers, pruning style, or local extension guidance.
How much does Sri Kembangan starfruit produce?
Sri Kembangan starfruit yield is modeled as 8-80 lb/plant/year. Treat that as a planning range, because weather, soil, watering, pruning, pests, and local pressure can change the real result.
How long does Sri Kembangan starfruit take to produce?
Sri Kembangan starfruit usually reaches first useful harvest or display in 3-6 yrs under suitable conditions.
How do you grow Sri Kembangan starfruit?
Grow Sri Kembangan starfruit in USDA zones 9b-11a with full light, loam, sandy soil, and medium water. Use 10-20 ft in-row x 12-25 ft rows for layout planning. Match the plant to drainage, heat, chill, and pest pressure before scaling up.
Can Sri Kembangan starfruit grow in a container?
Sri Kembangan starfruit can start with a container of about 25+ gal (limited). Larger containers usually buffer heat and moisture swings better than the minimum.
- 10-year return
- 36.6-366 lb/10 yrs
- Full output
- 6-10 yrs
- Planting depth
- Keep the root flare at soil level; graft unions stay above grade.
- Productive life
- 15-30 yrs
- Difficulty
- 4/5
- Reliability
- 3/5
- Data quality
- Low profile, Low yield confidence
Yield varies most with climate, soil, rootstock, pruning, pest pressure, and wildlife.
Estimated Pound Return
Low yield confidence- Year 1
- 0 lb Establishment year: focus on roots before harvest.
- Year 5
- 3-30 lb
- Year 10
- 8-80 lb
- 10-year total
- 36.6-366 lb/10 yrs
Shaded band shows the sourced low-to-high pound-yield range. The line tracks the midpoint for quick comparison.
Method: fruit-count range converted with broad tropical-fruit weight assumptions. Annual crops assume one comparable planting per year; perennial crops ramp from first bearing to full production.
Planting, care, and risk checks
Checklist
8 itemsAffiliate links may earn a commission.
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Frost blanket
Protection / Cold nightsExtend the season or protect tender plants during cold snaps.
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Tree trunk guard
Protection / After plantingProtect young trunks from mower damage, sunscald, rabbits, and rubbing injury.
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Fruit tree and berry fertilizer
Nutrition / After establishmentSupport fruiting wood, bloom, and recovery after establishment once soil needs are known.
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Soil test kit or lab mailer
Site prep / Before plantingCheck pH and baseline nutrients before adding amendments, especially for fruiting crops, native beds, and acid-loving plants.
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Digging spade or shovel
Tools / Planting dayOpen planting holes, loosen compacted soil, and shape beds for larger transplants.
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Plant labels
Planning / Planting dayTrack cultivar, planting date, and variety when comparing harvests or pollination partners.
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Tree stake kit
Support / Planting dayStabilize newly planted trees only where wind, slope, or root-ball movement makes support necessary.
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Organic mulch
Soil / After plantingHold soil moisture, suppress weeds, moderate soil temperature, and protect shallow roots.
Planting strategy
- Planting depth: Keep the root flare at soil level; graft unions stay above grade.
- Container minimum: 25+ gal (limited). Use dwarf/root-pruned culture for long-term containers; in-ground usually performs better.
- Start with one plant when testing fit in a new bed or container.
- Plant more than one when harvest volume or pollination is the main goal.
Risk factors
- Deer pressure: Not rated. No deer-resistance category is assigned yet; treat browsing risk as local and variable.
- Black walnut: Mixed or uncertain. Use as a black walnut / juglone planning cue; tolerance varies by cultivar, soil, and distance from the tree.
- Match the site first: full light, loam, sandy soil, and medium water.
- Use 10-20 ft in-row x 12-25 ft rows as the first spacing model; adjust for hedges, trellises, containers, or local guidance.
- Plan around mature size: 10-25 ft H x 8-20 ft W.
- For harvest planning, treat "star-shaped fruit in warm seasons" and 20-80 fruit/plant/year as planning ranges, not guarantees.
- Quantitative data quality is low for this record; verify before buying or planting at scale.
Related planning guides
Comparable plants
Sources and methodology
This guide combines hardiness range, light, soil, water, harvest timing, traits, supplier links, plant relationships, and quantitative planning metrics. Pairings are screened for practical garden fit.
Quantitative values use extension and botanical-reference ranges where available. For less-studied cultivars, similar crops fill gaps conservatively. Ranges are intentionally broad so the profile stays useful without pretending to be exact.
Planning sources: NC State Extension Gardener Plant ToolboxMissouri Botanical Garden Plant FinderUniversity of Maryland Extension - Planting a Tree or ShrubUniversity of Maryland Extension - Starting a Home Fruit GardenUniversity of Maryland Extension - Types of Containers for Growing Vegetables
Editorial sources: UF/IFAS: Carambola Growing in the Florida Home LandscapeUF/IFAS: Tropical and Subtropical Fruit Crops for the Home Landscape
Supplier search: Amazon. Search links are not paid placements unless explicitly marked; affiliate listings may earn a commission. Last reviewed: 2026-05-31.