How to Grow a Star Fruit Tree

Updated February 21, 2017

The star fruit tree, or carambola, is a medium-sized tree that produces a tasty fruit enjoyed around the world. This tree is native to tropical areas like India and Indonesia, but it can be grown in many other areas around the world. States like California and Florida often grow these trees due to the warmer temperatures. The star fruit is a welcome addition to any garden or home.

Plant a seedling in full sunlight. These trees are tropical, and they require plenty of sunlight. They can grow in any type of soil, though acidic soils are best for optimum growth, and good drainage is needed.

Tie the seedling to a stick or other support to help it grow straight and to help keep it upright until the roots can grow.

Water the plant immediately after planting and then water it three to four times a week. This tropical plant does best in humid conditions. It needs plenty of water to thrive. This is especially important in areas that have lower humidity and dry soils.

Add fertiliser. This is a slow-growing tree, so fertilisers can help it grow faster and produce the best fruits.

Avoid pruning. Star fruit trees do not need to be pruned and it can actually be harmful to the tree. Usually it will not recover once it has been pruned.


Trees grown in cold climates should have shelter during the winter. The tree will be dormant and will not need watering during the winter months, but heavy snows and cold weather can harm the tree.

Things You'll Need

  • Star fruit tree
  • Stick
  • Fertiliser
  • Small shovel
  • Water
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About the Author

Helen Jain has been writing online articles since December 2009 for various websites. She has studied English and psychology and hopes to get a Ph.D. in English in the future.