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**** The Gardener's Forum ****]
Growing the Golden Trumpet Vine
Allamanda cathartica
12-17-97
We would like some info on fertilizing Allamanda, the flowering vine.
Thank you,
Ed Bond -
Hi Ed,
The Golden trumpet vine, Allamanda cathartica, is another plant that I will have to add to my
TOXIC plant list, but I can also add it to my Hummingbird flower list. If I ever get busy and make
it!
You didn't mention if you were growing your plant as a house plant , or if it was in the garden,
so you get a little information for each.
Allamanda grows best in full sun or very bright light. If this is a house plant, give it a little
protection from the sun, during the hottest days in the summer. It originated in the jungles of
Brazil, but is now cultivated worldwide. Allamanda prefers a rich humus soil.
Because Allamanda is such a prolific bloomer, give it a rest during the winter months,
watering less, and no fertilizer. Around the first of April you can start feeding your plant with a
5-10-5 liquid fertilizer, mixed HALF STRENGTH. Fertilize with this mixture every 2-3 weeks
throughout the spring and summer, but start cutting back on the feeding frequency in late
August, with the last feeding at the end of September. Continue watering as long as the plant is
still blooming, but when it is done, keep the plant on the dry side till spring.
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