To recognize purple deadnettle, look for opposite, heart- to triangular-shaped leaves with rounded teeth on square stems, forming a low, branching plant usually under 12 inches (30 cm) tall.
The small pink to purple tubular flowers cluster tightly in the upper leaf axils, just below the top leaves.
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Check the plant’s low, soft-stemmed form and clustered flowers first.
Look for several of these traits together before deciding.
Purple deadnettle shows clear visual shifts from low seedling rosettes to flowering, branched stems.
Purple deadnettle is often easiest to spot from late winter into spring, when its upper leaves turn distinctly purple and small pink-purple flowers become obvious near the stem tips. In warmer periods it may keep flowering, but the purple top growth and clustered flowers are the clearest seasonal identification clues.
Several mint-family weeds are often mistaken for purple deadnettle.
henbit(Lamium amplexicaule)
Both have square stems and small pink-purple flowers. Henbit’s upper leaves clasp the stem and are rounder; Lamium purpureum has short leaf stalks and more pointed upper leaves.
ground ivy(Glechoma hederacea)
Both are low, creeping, and have scalloped leaves. Ground ivy has kidney-shaped leaves on long stalks and usually trails from nodes; purple deadnettle is more upright, with leaves paired tightly near the stem tip.
red deadnettle(Lamium confertum)
Very close in color and flower shape. Red deadnettle is usually shorter and denser, with flowers crowded in tighter whorls and upper leaves less sharply triangular.
Lamium purpureum is native to Europe, western Asia, and North Africa. It is most often found in disturbed ground such as gardens, field edges, roadsides, vacant lots, and open woodland margins. That setting helps with identification because this species commonly appears as a weed in low, human-disturbed places rather than in wetlands, deep shade, or dry rocky slopes. Finding it in cultivated soil or along paths can narrow the options.
Plant Photo ID
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Use Botan to identify or confirm the plant from a photo, helping avoid mix-ups with similar-looking plants.
The small tubular flowers cluster in tight whorls at the upper leaf nodes, especially near the stem tip. They sit above paired leaves on square stems, a useful detail for Lamium purpureum identification.
Use Botan to identify a plant from a photo, then review plant details, care information, and common problems.
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