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Mexican Petunia

Ruellia simplex  • 

Pruning

From mid February to end February    · each 1/2 year

If you want more of these beautiful flowers in your backyard, cutting stems halfway after flowering will result in the growth of several more stems and flowers. In colder climates, the foliage will be damaged by frost, in which case the damaged parts must be removed and disposed of promptly, to avoid infection.

Read more: http://www.doityourself.com/stry/how-to-care-for-a-mexican-petunia#b#ixzz2tM5ZSZRA