[Arid_gardener] Question from Home-Hort WWW page

[dvpdavis at msn.com]

Vera N. Davis
85323-4224
dvpdavis at msn.com

What type of soil amendments will I need for a 10 x 8 foot flower garden I want to plant under a Mesquite tree on the SW side of my back yard?  I want to plant perennials I have been researching that will grow in the shade. Nothing is growing there now, and I think I need some mulch or something.  And where do I buy it?

Thanks

Vera Davis