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Will Ruellia Come Back?

James H. Sterling • • 7 min read
Will Ruellia Come Back?

Care of Ruellia Plants
Ruellia flowers will generally die back at the foliage tips below 32 degrees F. (0 C.) and all the way to the ground in the 20's (-66 C.). However, upon a return to more seasonable temperatures, the ruellia wild petunia will bounce back with as much vigor as before.

Will ruellia come back after freeze?

Will it flower from the existing stems or does it only flower from new wood? Answer: Mexican petunia is considered an herbaceous perennial, which means it freezes to the ground if it gets too cold and grows back from the base. It is summer flowering so the flowers develop on new growth.

Is ruellia annual or perennial?

Ruellia simplex, commonly called Mexican petunia or Texas petunia, is a vigorous, shrubby, woody-based, rhizomatous perennial that is grown as an annual north of USDA Zone 8.

James H. Sterling
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James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.