Common Northern Illinois Weeds
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Dandelion
 What to look for:Bright yellow blossoms, long followed by “puffball” seed carriers.Structure:Leafless stems of varying lengths, grow from center of prostrate rosette. |
Ground Ivy (Creeping Charlie)
 What to look for:Creeping stems several feet long that root at nodes.Structure: Creeping. |
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Clover
 What to look for:3 dark leaflets that develop white blossoms.Structure: Low-growing, with creeping stems that root at nodes. |
Thistle
 What to look for:Tall cluster of spiky stems, eventually bearing large purple flowers.Structure: Bushy clump of spiky leaves. |
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Wild Violets
 What to look for:Heart-shaped leaves, small pansy-like flowers, blue violet to lilac or white.Structure: Low-growing, with creeping stems that root at nodes. |
Henbit
 What to look for:Hairy upper surfaces on leaves that develop pink to purple flowers.Structure: Grows erect, up to 16″ tall. |
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Spurge
 What to look for:Numerous long, creeping stems tinged with purple which ooze milky fluid when broken.Structure: Prostrate. |
Crabgrass
 What to look for:Light green, flat leaves that point outward.Structure: Forms a large clump or mat with stems branching out of a central star-shaped center hub. |
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Nutsedge
 What to look for:Shoots of grass with a V-shaped side profile of the leaves.Structure: Shoots with leaves branching upward from central location. |
Chickweed
 What to look for:Broad oval pointed smooth leaves with star-shaped white blossoms.Structure: Low growing. |
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Nimblewill: In Lawn
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Nimblewill: Up Close
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What to look for: Long wide leaves, forms dense mats. Greens late in spring and browns |
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