Name: David Laderoute Zone 5B/6 - NW MO (Zone 5b) Ignoring Zones altogether
Regardless of amendments or not, if you have significant clay, drainage is the key issue.
When I get more than 3 - 6 " deep anywhere on my property, I hit SOLID clay. Plays hell with bulbs. And anything else - plant, tree or shrub that has issues with wet feet.
