Cole Crops > Year-Round IPM Program > Perennial Weeds

Cole Crops

Perennial Weeds

ON THIS PAGE:
  • Field bindweed
  • Foxtail barley
  • Nutsedges
Click on photos to enlarge. Names link to more information on identification and management.
Seedling of field bindweed (wild morningglory), Convolvulus arvensis.

Field bindweed (Convolvulus arvensis): Morningglory family; with most new shoots and seedlings emerging in spring; seed leaves nearly square, with shallow notch at tip; early true leaves spade shaped; petioles flattened.

 Seedling of foxtail barley, Hordeum jubatum.

Foxtail barley (Hordeum jubatum): Grass family; first leaves slender and light bluish green; collar region with membranous, short ligules; unlike hare barley, no auricles.

 Young yellow nutsedge plant.

Nutsedges (Cyperus spp.): Sedge family; first leaves inconspicuous and grasslike; grow mainly from tubers or "nutlets" formed on rhizomes, mostly in upper foot of soil; in cross section, leaves V-shaped, arranged in sets of three at base, and stems triangular.

Statewide IPM Program, Agriculture and Natural Resources, University of California
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