Weeds are worthy of our attention, and that don't mean pulling them.

October 12, 6:12 PMPittsburgh Gardening ExaminerTC Conner

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I always start with a relatively weed-free garden, then as the season progresses and things are up and growing, the weeds make a strong comeback. I read about a gardener who doesn't bother much with weeding once her plants are knee-high or taller. Her reasoning is sound - tall plants prevent sunlight from reaching the weeds below and a bunch of tall plants crowd out any chance of weeds taking over - but the reality of it happening is flawed.

 Johnsongrass (Sorghum halepense) is considered an invasive weed in Pennsylvania. This particular clump is managed as ornamental grass in my wife's herb garden.

Weeds have a magnificent way of surviving no matter what we do to them. I think purslane (Portulaca oleracea) would survive a nuclear blast. Common lambsquarters (Chenopodium album) loves rich soil so much that it doesn't need an invitation to sprout in every new flower bed and vegetable patch I prepare. Yarrow (Achillea millefolium), a common perennial weed, with its underground creeping stems doesn't care in the least about what it's creeping up on. Let Canadian thistle (Cirsium arvense) get established and you might have to dig 20 feet down to find its taproot. What will you dig that out with, eh?

This strand of bindweed is havin a lot of fun vining up a large clump of zebra grass. I haven't noticed any bud formation so I'm not sure if it's wild morning glory, or some other member of the flowering convolvulus family. Weed lady and author Nancy Gift ("A Weed By Any Other Name") allows this perennial vine to climb on its own personal trellis.

  It's all a part of growing stuff isn't it? You could stop gardening altogether and let the weeds take over. I have three hosta beds that I've neglected all summer, I had plans of transplanting everything to a new home, but then I'd just have to worry about weeding that area too. It seems to me that when left to their own accord, both weeds and what we grow as ornamentals get along together just fine. We're the ones who don't like their living arrangements. The weeds of summer are green, and that color alone makes them an important part of my total gardening experience. Someone said "weed it and reap" and that's what I do.