UC IPM Online UC ANR home page UC IPM home page

UC IPM Home

SKIP navigation

 

Nectarine

Perennial Weeds You May See

Each name links to more information on identification and biology.

Click on photos to enlarge
Bermudagrass.
Bermudagrass
(Cynodon dactylon): Grass family; perennial; mature plant forms dense mats with spreading and branching stolons that root at nodes; flowering spikes radiate from a single point at tip of stem; collar region has fringe of short, white hairs.
Dallisgrass.
Dallisgrass
(Paspalum dilatatum): Grass family; mature plant 1 to 4 ft tall unless mowed; flower head consists of 3 to 6 spikes that arise apart on stem and often droop; leaf sheath flattened, hairy, and often tinged red at base.
Field bindweed.
Field bindweed
(Convolvulus arvensis): Morningglory family; perennial; leaves are spade or bell-shaped, lobed at base, and attached to flattened petioles; stems trail on ground or climb on upright plants; trumpet-shaped white to purplish flowers close each afternoon and reopen the following day.
Johnsongrass.
Johnsongrass
(Sorghum halepense): Grass family; perennial; grows in spreading, leafy patches that may be as tall as 6 to 7 ft; leaves have prominent whitish midvein, which snaps readily when folded over; flower head is large, open, well-branched, and often reddish tinged.
White clover
White clover
(Trifolium repens): Pea family; perennial; each leaflet may have a whitish circular band within the center; flower forms a ball-shaped cluster; leaves trifoliolate (3 leaflets per leaf) smooth, alternate, lower surface gray-green, upper surface-green; plant forms large clump with branching stems 4 to 12 inches long.
Yellow nutsedge.
Yellow nutsedge
(Cyperus esculentus): Sedge family; perennial; grow mainly from nutlets on rhizomes, mostly in upper foot of soil; leaves are V-shaped in cross section and arranged in sets of three at the base; stems are triangular in cross section.

Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2016 The Regents of the University of California. All rights reserved.

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See our Home page, or in the U.S., contact your local Cooperative Extension office for assistance.

Agriculture and Natural Resources, University of California

Accessibility   /PMG/C540/m540ppperennial.html?srcPage=PMG%2FC540%2Fm540ppperennial.html revised: June 24, 2016. Contact webmaster.