Sorry, I'm afraid that is outside of my knowledge of botany. A good place to look might be resources for organic gardening. Aaron Felker > >Thanks for the info on the clover. I'll plant some in the spring. Do you >have the name of a good book showing which plants are compatible with each >other as soil builders/sustainers? Oliva > _______________________________________________________________ Get Free Email and Do More On The Web. Visit http://www.msn.com