| I am from the St. Louis area. Hostas do very well here. Not knowing what else you have in the garden to send home with him to advise you on, here is a local nursey's webpage with the plants they offer for this zone. Maybe you can look up a few of the plants that you have to offer to your brother against what they sell for this area? |
Here is a link that might be useful: Sugar Creek Gardens
Here is a link that might be useful: Best Full Shade Shrub (Bush)