Bilimbi
Cucumber-shaped, mouth-puckering sour fruit straight off the trunk. If you cook or pickle, you want this tree.
Averrhoa bilimbi
The starfruit's wildly sour cousin, whose little cucumber-shaped fruits are made for cooking and pickling.
Why it works here
Bilimbi is a fun oddity for the cook in the family. It is closely related to carambola, the starfruit, but the fruit is a totally different animal: small, pale green, cucumber-shaped, and far too sour to eat off the tree. What it does beautifully is flavor food. It goes into curries, chutneys, pickles, and drinks as a bright souring agent, the way you might use lime or tamarind. The fruit grows in showy clusters right on the trunk and branches, which is a neat look. For a Treasure Coast edible garden, it is a productive small tree, as long as you protect it from cold.
Care
Give it full sun and well drained soil enriched with compost, and water regularly while letting the surface dry a bit between drinks, since it dislikes soggy roots. Mulch well and feed with balanced organic fertilizer through the warm season. It is cold tender, so plant it in a protected, warm microclimate and be ready to cover it on freeze nights, especially for the first few years. Light pruning keeps it a manageable size and makes harvest easier.
Common problems
Cold damage: it is genuinely tender and a freeze will hurt it. The fix is a warm sheltered spot and cold protection when young.
Way too sour to eat raw: not really a problem, just a surprise. Use it cooked, pickled, or juiced rather than fresh.
Fruit fly interest and heavy drop: like other soft juicy tropical fruit, it can draw fruit flies and drop a lot. Harvest promptly, clean up fallen fruit, and use organic cultural controls to keep pests down.
Common questions
Can I eat it fresh like a starfruit?
You can, but you probably will not want to. It is intensely sour. It shines in cooking, pickling, chutneys, and drinks, where that tartness is the whole point.
How is it different from starfruit?
Same family and both quite tart, but bilimbi is much more sour and shaped like a little cucumber rather than a five-pointed star. Starfruit you snack on, bilimbi you cook with.
Does it produce a lot?
Yes, a happy tree bears heavily and repeatedly, with fruit clustered right along the trunk and branches. One tree can give you far more than a home cook needs.
Interested in a bilimbi in your landscape?
We plan, install, and care for it. Start with a paid consultation.