Hello and welcome! Here is excellent advice for dealing with clay soils in general. I would try calling around to your local landscape companies, tree service companies or even stables or farmers to ask about compost material or manure even if it isn't composted yet it will eventually break down for planting and help the soil structure. Here in my climate (with heavy clay) every fall I would gather up the leaves, run them over with the mulching mower and mulch my gardens in the fall. I started out with clay soil so nasty if tried to jam a pitchfork in it it was dangerous to life and limb. Within two years of just covering the garden with ground up leaves I had beautiful soil forming and tons of worms. Your organic material may be different then mine in my climate and area of the country but I am sure you can find something to collect and use that is just going to waste.
http://garden.org/ediblelandsc...
