Special
weed problems and their associated conditions |
Weed
species |
Associated
condition(s) |
Management
comments |
Annual grasses |
| Annual
bluegrass |
Overwatering; compacted
soil |
Reduce irrigation; aerate |
| Crabgrass
(smooth and large) |
Overwatering or frequent
light watering; mowing too short |
Water longer and less
often; check mowing height |
| Goosegrass |
Overwatering; compacted
soil |
Reduce irrigation; aerate |
Perennial grasses |
| Bermudagrass |
Previous bermudagrass
lawn or infestation; close mowing; sun and heat |
Remove plants before they
spread; increase mowing height |
| Dallisgrass |
Overwatering; compacted
soil |
Remove plants before they
spread; reduce irrigation; aerate |
Annual broadleaves |
| California
burclover, black medic |
Low nitrogen fertility |
Fertilize |
| Common
knotweed |
Compacted soil |
Aerate |
| Spurges
(spotted and prostrate) |
Closely mowed turf with
open areas; low nitrogen fertility |
Check mowing height; remove
plants before they spread |
Perennial broadleaves |
| White
clover |
Low nitrogen fertility |
Fertilize |
| Creeping
woodsorrel |
Nearby sources of infestation |
Remove plants before they
spread |
| Dandelion |
Poorly maintained thin
areas or nearby sources of infestation |
Remove plants by hand;
improve turf management practices |
| English
daisy |
Moist areas of turf in
cool coastal climates |
Keep turf on dry side;
improve turf management practices |
| Plantains
(buckhorn and broadleaf) |
Overwatering; compacted
soil; poorly maintained open turf areas; shaded areas in warm climates |
Reduce irrigation; aerate;
improve turf management practices |
Sedges |
| Green
kyllinga |
Overwatering; poor drainage;
sun and heat |
Reduce irrigation |
| Nutsedge |
Overwatering; poor drainage;
sun and heat; nearby infestation |
Reduce irrigation; remove
plants before they spread |
