Thinning

Lisa Johnson

There's a reason the show is called Tips for Hardy Gardeners and not Tips for Hardy Plants.

Some of them didn't make it through the killing frosts of late May.

Some of them didn't make it through the blazing heat of last week.

And now, Tom Kasper says, some of them aren't going to make it through the most anguish-ridden time for gardeners: the thinning.