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Blue tongue

Melastoma malbathricum (previously M. affine)
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edibleshrubsedibleedible fruitnative asiashrub
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pressed specimen — blue tongue
Pl. 8009 — Melastoma malbathricum (previously M. affine)
Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)Melastoma malbathricum (previously M. affine)
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Overview

Blue tongue, scientifically known as Melastoma malbathricum (previously M. affine), is a shrub native to the Indian subcontinent, Southeast Asia, and Australia, including regions such as Andaman Islands, Assam, Bangladesh, Cambodia, and parts of China South-Central. This plant thrives in partial sun or shade and can grow up to 2 meters in height with a spread of about 1.2 meters. It is known for its edible fruit, which can be eaten raw or used in various preparations. Typically, the fruit is consumed fresh but may also be dried for later use. The blue tongue plant features light green foliage and small, tubular flowers, adding ornamental value to landscapes. It is often found in forest edges and gardens within its native range. While not medicinal, the plant is valued for its edible fruit and ornamental qualities.

Quick answers

What is Blue tongue?

Blue tongue, scientifically known as Melastoma malbathricum (previously M. affine), is a shrub native to the Indian subcontinent, Southeast Asia, and Australia, including regions such as Andaman Islands, Assam, Bangladesh, Cambodia, and parts of China South-Central.

Growingconditions · propagation · uses
V

Cultivation

Blue tongue, scientifically known as Melastoma malbathricum, thrives in partial sun to partial shade. It grows into a shrub reaching up to 2 meters in height and 1.2 meters in width. This plant is hardy in temperate regions and is native to the Indian subcontinent, Southeast Asia, and Australia. For cultivation, ensure the soil is well-draining and rich in organic matter. Water regularly, especially during dry spells, to keep the soil consistently moist. Propagate via cuttings or seeds. The edible parts are the fruit, making this plant a useful addition to the garden for both ornamental and culinary purposes.
Light
Partial sun/shade
Habit
Shrub
Mature size
2 m (6.6 ft) m × 1.2 m (4 ft) m
For first-time growers

How to grow Blue tongue for the first time

8steps

Start with a simple planting approach to grow Blue tongue as an ornamental shrub.

  1. 1

    What you'll need

    A small container, quality potting soil, and your Blue tongue plant.

  2. 2

    Best time to plant

    Plant in spring or early summer when temperatures are mild.

  3. 3

    Soil and container prep

    Use a well-draining potting mix. Ensure the container has drainage holes.

  4. 4

    Sowing or transplanting

    Transplant your Blue tongue plant into the prepared container, ensuring it's at the same depth as before.

  5. 5

    First two weeks

    Keep the soil consistently moist and place in partial shade to avoid sunburn.

  6. 6

    Ongoing care

    Water when the top inch of soil feels dry. Provide partial shade, especially from intense afternoon sun.

  7. 7

    Harvest or pruning

    Prune lightly after flowering to maintain shape and encourage new growth.

  8. 8

    Common mistakes

    Overwatering, placing in full sun, using heavy soil that doesn't drain well.

VI

Edible & utility

Edible parts:Fruit
Edible uses: The blue tongue plant's fruit is edible and can be eaten raw or used in various preparations. Typically, the fruit is consumed fresh but may also be dried for later use.
Contextrange · companions · related
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Distribution

33 native · 7 introduced
Distribution across3 continents· 33 native· 7 introduced
Asia12 regions
native (12)BangladeshCambodiaChinaIndiaLaosMyanmarNepalPhilippinesSri LankaTaiwanThailandVietnam
Americas3 regions
introduced (3)CubaJamaicaUnited States
Africa3 regions
native (1)Seychelles
introduced (2)MadagascarMauritius
Broader regions
native:Andaman Is., Caroline Is., East Himalaya, Hainan, Indian subcontinent, Jawa, Kazan-retto, Lesser Sunda Is., Malaya, Maluku, Marianas, Nansei-shoto, New South Wales, Nicobar Is., Northern Territory, Queensland, Southeast Asia and Australia, Western Australia
introduced:Florida, Trinidad-Tobago
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