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Allamanda cathartica (Yellow trumpet vine, Allamanda)

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Helpful articles

Australian native trees. Learn what Australian native trees you should I grow in your garden.

Microclimates in your garden. Did you know your whole garden may be a microclimate that allows you to grow plants that would not thrive on the other side of the street? Read this article to learn more.

Growing Banksias. Learn how to grow Banksia in your garden.

Planning your garden. Learn how to design a garden using a step-by-step approach.

Plant description

allamanda cathartica yellow trumpet vine

Allamanda cathartica, the yellow trumpet vine, is a woody evergreen climbing shrub with large, showy bright yellow flowers in summer and autumn. Suitable for tropical, sub-tropical and warm, sheltered spots in temperate climates. It is fast growing, and the foliage is an attractive glossy green. It can be trained to cover fences and arbours, and also a standard.

Allamanda likes a fertile soil, and regular watering. Prune in early spring to encourage new flowering growth, and to shape the plant to the desired size.

Allamanda can become invasive in some areas.

The plant exudes a milky sap, which can be a skin irritant.

Additional plant information

Flowers

Flower colour: yellow
Flowering season: summer autumn

Plant size

Maximum height: 10 metres
Minimum height: 2 metres

Maximum width: 5 metres
Minimum width: not specified

Sunlight, frost & salt tolerance

This plant will tolerate full or partial sunlight.
Light frost tolerance.
Plant is not salt tolerant.

Fauna attracting?

Yes. Attracts: Butterflies, birds.

Climate

This plant species will grow in the following climates: temperate, subtropical, tropical.

Soil types & conditions

Loam: moist, well-drained.

Clay: moist, well-drained.

Sand: moist.

Soil pH: 6.0-7.5

Miscellaneous information

Planting season: Any.

Types of fertiliser: Good general purpose fertiliser.

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