When the stems reach their mature height, a green cone will form made of tightly compressed bracts.
The bright yellow flowers develop out of the bracts, one or two at a time. Each flower lasts only a day, but a clump of stems will provide flowers every day, all summer long. The flowers are tubular, about 1 1/2 to 2 inches in length.
Costus pictus flowers are edible. They have a pleasant flavor and are juicy and crunchy. They make a great addition to fruit salads. The leaves are also edible and, in clinical studies, have been shown to reduce diabetes.
Even when frozen to the ground, they make quick growth and will be in bloom by early summer. It is reportedly hardy to USDA Zone 8 or possibly less.
4 comments:
Well, chalk it off to another tropical I will probably never grow. I love your site and pics.
I had no idea there were so many different types of costus. I grow two but neither have bloomed yet this summer. I really like your new look on the blog.
Jim, Thanks for the great information. You stated the leaves are edible, are they best eaten raw or cooked?
Anonymous,
In traditional Indian medicine the leaves are eaten raw.
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