Starfruit

Tree

Starfruit

Averrhoa carambola

Also known as: Carambola

Tree Oxalidaceae EdibleOrnamentalWildlife Attractor
Hardiness Zone
10-11
Ideal Temp
65–90°F
Survives Down To
30°F
Life Cycle
Perennial

Starfruit is the waxy yellow geometry teacher — five-ribbed slices for garnish clout, juice that ranges from sweet cultivars to "who hurt you" tart. Frost is the villain; subtropical and tropical Americas is marginal outside protected 10b microclimates. Oxalate content is real; kidney issues mean hard pass, not gentle suggestion. ☀️💧 Sun and Water Requirements: - Full sun for heaviest fruiting; some afternoon shade acceptable in brutal heat. - Rich, well-drained soil with steady moisture during fruit swell. - Wind-sensitive young wood; mulch and stake without coddling delusions. ✂️ Methods to Propagate: - Grafting named cultivars for flavor predictability — seeds are chaos fruit. - Air layering and cuttings used in tropics for clonal propagation.

Good Neighbors
  • Banana
  • Papaya
  • Lemongrass
Cautions
  • Planting for people who should limit dietary oxalate
  • Open 9a frost bowls without protection
Known Threats — Organic Solutions Only
Caribbean Fruit Fly
Anastrepha suspensa
Scale Insects
Coccoidea
Thrips
Thysanoptera