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Balloon Plant in the GardenTags plant encyclopedia

Gomphocarpus physocarpus

 

Balloon Plant

Gomphocarpus physocarpus is a species of milkweed. It is often grown as an ornamental plant. The name "balloonplant" is an allusion to the swelling bladder-like follicles which are full of seeds. Please take note: when broken, all parts of this plant exude milky white latex that is poisonous if ingested.

Contributed by @fiona_willetts

 
plant Features
  • Balloon Plant likes full sun

    Full sun

  • Balloon Plant likes very little water

    Very little water

  • Balloon Plant is a little frost hardy: 32f (0°c)

    A little frost hardy: 32F (0°C)

  • Balloon Plant likes light and free draining

    Light and free draining

 
plant information

Common name

Balloon Plant

Latin name

Gomphocarpus physocarpus

type

Perennial

family

Apocynaceae

ph

5.0 - 7.0 Acid - Neutral

  • Light

    Balloon Plant likes full sun

    Full sun

  • Frost

    Balloon Plant is a little frost hardy: 32f (0°c)

    A little frost hardy: 32F (0°C)

  • Soil

    Balloon Plant likes light and free draining

    Light and free draining

  • Water

    Balloon Plant likes very little water

    Very little water

Plant & bloom calendar

  •  
    Best time to plant

full grown dimensions

The size of a fully grown Balloon Plant is 1.50meters x 2.00meters 1.50 M 2.00 M

Gomphocarpus physocarpus

Gomphocarpus physocarpus is a species of milkweed. It is often grown as an ornamental plant. The name "balloonplant" is an allusion to the swelling bladder-like follicles which are full of seeds. Please take note: when broken, all parts of this plant exude milky white latex that is poisonous if ingested.


Propogation by seed

From Late Winter TO Early Spring

Sow late winter/early spring on the surface of lightly firmed, moist seed compost in pots or trays. Lightly cover the seed with a sprinkle of fine grade vermiculite. Keep at a temperature of between 21-23C (70-75F). After sowing, do not exclude light as this helps germination. Keep the surface of the compost moist but not waterlogged; until germination which usually takes 14-21 days. When large enough to handle, transplant seedlings into 7.5cm (3in) pots or trays. Gradually acclimatise plants to cooler conditions for a few weeks before planting out after all risk of frost 60cm (24in) apart. Pinch out the tops of plants after the fourth or fifth leaf stage to encourage the development of side shoots.

 

Planting young plants

From Late Spring TO Late Spring

For the best results, provide a well-drained soil in full sun. Plant out in spring against a sheltered fence or wall. Trail the vine up a trellis. In temperate climates, this plant is usually grown as an annual. Please take note: when broken, all parts of this plant exude milky white latex that is poisonous if ingested.

 
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