From Wikipedia, the free encyclopedia. Fruit. "Starfruit" redirects here.The carambola is a tropical and subtropical fruit which can be grown at elevations up to 1,200 metres (4,000 feet). Containergrownstarfruit trees should have an application of balanced fertilizer in the spring through the fall. Slow release or organic granular fertilizers are recommended and can be applied... Can I grow fruit trees in containers? Which fruits grow best in pots? How do you take care of a starfruit plant? Are starfruit trees self pollinating? Is starfruit bad for kidneys? StarFruit Tree: Growing Unique Tropical Fruit.Its fruit has horn-like spines, hence the name. It grows in vine form, so good to have a trellis or frame for it. Starfruit tree care requires warm temperatures. The question is, lacking a warm climate, is it possible to cultivate containergrownstarfruit? Find out more in this article. ContainerGrowing: For container-grownstarfruit trees, ensure the container is large enough to accommodate the root system. Prune roots when necessary and repot the tree into a... Where do starfruit trees grow? Can starfruit be grown in containers? How long does a starfruit tree live? Grow a starfruit tree at home. Follow this comprehensive guide covering seed viability, ideal growing conditions, and procedural steps for germination. Discover how to growstarfruit in your garden! Learn tips for successful starfruit trees and enjoy abundant harvests in your own backyard. How to growstarfruit. Growingstarfruit trees, also known as carambola, requires understanding their specific needs for optimal growth and fruit production. Grow the Starfruit. Starfruit can be grown from grafted saplings or from fresh seeds.Sow one starfruit seed per container. The Starfruit is classified as a Leafy, Night, Sour, Sweet, Fruit and Tropical type crop. The Starfruit is a yellow fruit that has a star shape when viewed from the top. Growing multiple tropical fruit varieties in one container is generally not recommended. Container gardening works best with single plants, as different species have varying needs.