John Robertson wrote:

What would the best flowers/vines for full sun and soil that has a lot
of clay below the first 3 or 4 inches of top soil?

I'm in NM where theres a lot of clay and sand in the soil, and of course sun and
heat. I did Nasturtiums last year but the heat was a bit much for them. They
like being under my rose bushes though. Marigolds do really well here, as in VERY
well, as do Asters, Cosmos and Zinnias. I've not done any vines - yet!

--
John S. DeBoo