Mexican Blood Flower Phaedranthus buccinatorus / Subtropical Plants

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A tropical evergreen climbing plant, Phaedranthus buccinatorus is very vigorous to 5m. Trumpet like yellow and red flowers. Will flower from summer right through to early winter in the right conditions. With a few common names including ‘ Scarlet Trumpet Vine’ and Mexican Blood Flower’ the brilliant red flowers bring a real tropical touch to any garden.

Very fast growing, so plant it in a position where it has room. Phaedranthus buccinatorus will grow in cooler climates in a protected position. Growth rate will be slower. Flowers are fragrant and flowering is more prolific in full sun.

This is a climber that was widely grown in the 1920s and 30s in many areas of Australia including South Australian, Victoria and New South Wales.

Phaedranthus buccinatorus Care

A frost free position in a warm sunny position is best. Mulch well to maintain a cool moist root run.

In most climates Phaedranthus buccinatorus requires shade in the heat of the day during summer, protection from cold winds is essential.

Fertilizer is generally not required and to maintain a smaller plant low nitrogen types only should be used.


Presented on 2 x 3 foot canes.

  • Full sun.
  • Low wind tolerant.
  • Will manage a very light frost to -1C.
  • Requires frost free site or indoors.
  • Grows to a height of 5 metres (approx).
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