The Compost Has Been Invaded!

  What started as a potted plant soon spilled over and became a garden plant.  Then, as things do happen, it spread a bit further.  Clippings were dumped into the compost pile and, now, the compost pile has the healthiest bunch of purple blooms atop of four foot tall stalks!  Did I make a mistake by tossing the clippings?  Will our place soon be overrun with ruellia as it is with wisteria?  Hmmm...both grow continuously, spread rapidly but have beautiful purple blooms!  Mistake?  Or happy accident?

  Ruellia Simplex goes by about a gazillion different names.  Mexican Petunias, Purple Showers, Wild Petunias, Mexican Bluebells, and Hardy Petunias are a few of the monikers used to describe the plants.  There are as many different names as there are people growing them.  One odd thing...even though most of the names label them as petunias, they are not even related to that plant.  They belong in a completely different family of plants. The plants are considered invasive in Florida and some other states but, for some strange reason, the plant is readily available at nurseries everywhere.  My start came quite by accident as it came with some "hand-me-down" plants.  In fact, it did not seem to be an aggressive spreader until it hit the compost.   The plant has always stayed more or less contained near the Frog Pond but when those "cuttings" hit the fertile soil of the compost, things exploded!  The compost has become a flower garden covered in a sea of purple blooms.

  Now the question...do I eradicate the plants or let them grow?  As the compost pile sits, I can easily mow around it and keep the plants under control.  Unless birds carry seeds far from the area, that mowing will keep any from spreading.  I have to admit that I do like the plants and have been studying a bit to see if there are other uses for either the roots or leaves.  In that aspect, things look promising but, on the other hand, do I really need to "farm" Mexican Petunias?