The woman on the hunt for hosta looked familiar. It was Betsy, my former neighbor. I hadn't seen her since the Greengirls plant swap two years ago, and before that for at least a decade.

It was great to catch up with her, trade notes -- and point out people who had hosta to swap.

That's what's fun about a plant swap, as opposed to browsing for plants at a garden center or even the farmer's market. There's more personal interaction as swappers make the rounds, check out what's available, then circle back to make a trade.

"Where's Helen?" asked a gardener tempted by the seedling tomatoes she spotted in a swapper's labeled stash.

"Who has horseradish?" another swapper asked. "Anyone seen any?"

Swaps bring out interesting people. I met seasoned green thumbs, like the woman who was turning her urban corner lot into a pollinator garden. I met enthusuastic rookies, like the guy who didn't know what plants he was bringing home and didn't care -- he just wanted to start his first garden.

One woman arrived very late, as the swap was winding down and the Greengirls (the Star Tribune's garden bloggers) were gathering up the leftover plants that hadn't found a home. Many of the orphan plants were a bit bedraggled, but the woman was happy to have them -- she tends a garden at a school with disabled children and needs all the plants she can get, she said.

If you didn't make it down to this year's swap, come join us next year. You'll find great plants and great people -- maybe even a familiar face, like a long-lost neighbor.