I've been thinking about purchasing some alliums to grow in a tough spot...dry with some red clay but have been ammending it yearly. Any advice? I'm wanting to grow the really tall ones, possibly "summer drummer".
Yes, all of those tall aflatuense ones do great in heavier soils. Globemaster, Purple Sensation, Gladiator, etc. There are about a dozen of them in Brent and Becky's bulb catalog. They even self sow so you can have lots in just 3 years-it doesn't take long from seed. May I also recommend trying Eremurus, the foxtail lilly. They get tall, are really spectacular, and need the same things as alliums do.
"Thank you Joan for keeping up the comments. This snap dragon is called "chantilly mix" & I loved it last year so am growing it again but the seeds have been slow to sprout so might not be many. The larkspur mix was a hit as well! They…"
"Hi Joan, thanks for your comment. I haven't started planting this bed yet but I've noticed it looks like the vinca is coming back this year. Will probably see how well it fills in, then go get some more. We've had a…"