Growing Star fruit | How to grow star fruit tree from seed | carambola fruit

Growing Star fruit | How to grow star fruit tree from seed | carambola fruit

Star fruit (carambola tree)

let us know  How to grow Star fruit tree (Carambola fruit), star fruit tree in a container. You can also grow these tropical fruits by seed.  Produce tremendous success in tropical areas, which flourish well in the cold-free areas of the US Department of Agriculture’s hardiness zone 9b -11. If you live in cold areas then you can start it inside the house.

Star fruit overview

It is a compact and evergreen tree. Which produces an unusual, beautiful, and juicy fruit? It is very rich and Woody. You can grow it by seeds. Star fruit should be planted immediately after the use of the fruit for successful germination. For a garden landscape, they have the charm of summer. Nature Bring is giving you information on how to develop and care for it.

Star fruit tree (Carambola) is a member of the Oxalidaceae family. It is the fruit of Averrhoa carambola, which is found in Indonesia, Philippines, Malaysia, Vietnam, Sri Lanka, Bangladesh, India, and Mauritius. It is quite popular in many parts of East Asia and the South Pacific.


Scientific name                                   Averrahoa carambola

Common name                                  Star fruit

Plant type                                           Fruit

Fruiting time                                  April to June

Sun required                                   Full Sun

Soil                                                     Well-drained/ sandy soil

Soil PH                                               5.5- 6.5

Zone                                                  9b-11

Growing Star fruit | carambola fruit

Growing Star fruit tree

Location and soil

Star fruit tree likes Rich loamy soil with a pH level of 5.5 to 6.5. full sun and well-drained soil are better, you should protect from the high wind. Its height is 25 to 30 feet in height and almost the same length.


Regularly give water to starfruit from bloom to harvest. Starfruits like moist soil, although these trees are also limited drought tolerant. Avoid overwatering in these trees, it can cause rot in the roots and its health can also make a difference.


  • Use Balance Fertilizer from spring to fall.
  • You can apply slow-release fertilizer and granular fertilizer every few months.


Star fruit tree requires temperature and humidity; to maintain it, lay a 2 to 4-inch layer of wood chips or mulch all around the tree. It also helps to reduce weed growth. Place the mulching into a 12-inch distance from the branch of the tree.

Seed storage

Carambola lasts for a few days after being removed from the fruit, but you can increase its storage life and refrigeration by partial drying, can be used for planting fresh seeds kept in the freezer for about 1 week while refrigeration Before drying it, you can use it for 6 months.

star fruit tree | carambola fruit

How to grow a star fruit tree from seed

  • Do not wait for the year to plant the seeds. Start it inside the house so that you can easily control its germination.
  • Seeds should be sown fresh because they have very little viability, clean it well, and keep them in dry and plastic bags and tighten the seeds. Then implant it in your garden.
  • Remove the seeds gently from fully ripped starfruit.
  • Take a seed starter in a pot and wet in hot water. Gradually press the seeds in the base, put a thin layer growing medium over the seed. Plant only one seed in a pot.
  • Cover the pot with a plastic sheet. If you use the propagation mat, place the pot on it and set the temperature where the temperature remains above 70 degrees F.
  • Sprouts will occur after a few weeks, It also depends on the weather.
  • Remove the plastic sheet. And keep your starfruit in a room with south-west, or pre-facing windows, where the temperature is above 55 F.
  • This tropical fruit seedling is very fast. Now you can transplant it in filling of foam-based potting soil and sand in the container.

How to grow a star fruit tree in a container

  • Carambola fruit tree requires full sun and high temperatures to contain this tree in the container. To make the fruit continuously with flowers, it is about 60 degrees F (15 degrees C) most suitable temperature.
  • Although many species of Star Fruits are available in the market, its dwarf species ‘Maher ‘ and ‘Hawaiian’ are the most suitable for growing in the containers.
  • For potted star fruit rich loamy and medium acidic soil is good, pH should be 5.5-6.5.
  • Do not overwater because it is very sensitive.  Read more.

Harvesting carambola fruit

Star Fruits have two blooming periods. 1. From April to May, whose harvest time in August, September, and October. 2. When it blooms in September and October, it can take a Harvest in December, January, and February. Some trees keep blooming throughout the year and it can be harvested at any time.

  • This tropical fruit trees begin to bear fruit in about 2 to 3 years.
  • When its fruits begin to become yellow, then it becomes mature. If you prefer sourer then pick it (green) before mature.

Pests and disease star fruit tree

A lot of bugs attack on the Star Fruit trees. Which includes plumose and philephedra scales that attack leaves and twigs. Diaprepes weevil attack the roots. Smelly insect and squash bugs damage its fruit. Red-colored leaves and various types of spots are due to fungal diseases. Twigs and limbs are attacked by the red alga. Read More.

Read also: Plumeria growing and caring guide. Cantaloupe growing in containers. Coriander Growing and care in containers. Allamanda Cathartica Growing and care guide. 8 The reasons for your plant’s leaves become yellow. Lettuce growing and care guide. 11 Best winter flowers for your garden. Geranium growing and caring tips. Garlicvine growing and caring guide. Freesia flowers growing and care guide. Guava tree growing and care tips. Growing Colchicum in your garden. Dwarf Apple growing in containers. Hollyhocks growing and caring tips. Geraniums houseplant growing in containers. How to grow and care Liatris (Blazingstar).

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star fruit tree | carambola fruit