melde, goosefoot, and pigweed
A rapidly-growing weedy annual that can reach up to five feet. The leaves are 3-7 cm long, 3-6 cm wide, alternate, toothed, and roughly diamond-shaped. The leaves closest to the flowering stem are 1-5 cm long, 0.5-2 cm wide, and lanceolate-rhomboid shaped. All leaves have a waxy appearance with a whitish underside. The little flowers grow on a close-packed inflorescence and are radially symmetrical.
KEY FEATURES OF LAMBSQUARTER:
Goosefoot-shaped leaves that appear to be dusty due to a waxy white coating.
Lamb’s quarter thrives as a garden weed, along irrigation ditches, rivers, streams, fields, disturbed soils, and waste areas.
The herbicide that can be used to control Common lambsquarter is Roundup. For more information and mixing instructions on herbicides read the labels or contact the SCWP office.