Broadleaf perennial with a long, deep taproot.
Appearance: Identify garden weeds like smartweed by its lance-shape leaves often marked with purple chevrons. It’s an upright plant with pink or white flowers in summer and fall.
Appearance: Knotweed is an invasive groundcover with blue-green leaves sparsely appearing on long stems.
Size: 4 inches tall, several feet wide
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Type: Grassy annual
A weed can be any plant growing where you don’t want it to. However, there are some particularly weedy species to keep an eye out for. These aggressive plants not only make your yard look messy, they can also choke out the garden plants you’ve worked so hard to grow. Whether you’re trying to identify lawn weeds or garden weeds, this handy guide will help you identify more than 30 common weeds by photo, plus give you tips for how to best remove them.
Size: To 15 feet tall and wide
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Appearance: Lamb’s-quarter’s scalloped, triangular leaves have gray undersides.
Control: Mulch your garden beds to prevent white clover in landscape areas. Use an iron-based herbicide such as Weed Beater ($24, Walmart) to get rid of clover growing in lawns or dig out the weeds in garden beds.