Are those weed seedlings or flowers?

That’s a significant question early in the season. While mature weeds are obviously not zinnias or parsley, it’s much harder to distinguish garden plants from unwanted pests when they’re still seedlings. Yet, weed control is much, much easier when done at the seedling stage.

The first year we lived in Colorado, I made what turned out to be one of my worst gardening blunders ever. We moved into our house in November. I surveyed the empty beds around the patio and assumed nothing was planted there. Silly me. Like so many transplants here, I’d come from (northern) California, where the growing season lasted all year. I hadn’t yet learned that many plants spend the winter hiding underground.

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