fill in the cracks

fill in the cracks

I'm putting in a flagstone path, and was thinking to put plants in the cracks between the flags. I'm not sure what, though. It needs to be small and durable. Full sun. Zone 5. Preferably perennial. Any suggestions?
Chanterelle Mushrooms!

Chanterelle Mushrooms!

Summer Solstice, First Harvest

Summer Solstice, First Harvest

It’s Spring!

It’s Spring!

A bit more shopping for fall planting

A bit more shopping for fall planting

pink!

pink!

Help! Sawfly caterpillars are destroying my hollyhocks >:(

Help! Sawfly caterpillars are destroying my hollyhocks >:(