Knotweed
Knotweed is a sprawling, wiry, broadleaf annual weed that rarely grows over a few inches high. Tiny, oval, bluish-green leaves are ¼ inch wide and 1 inch long. Flowers are small and inconspicuous, whitish-green and born in leaf axils in fall. Knotweed can form a thick mat, up to 3-feet in diameter, choking out desirable lawns and plants.
Location
Knotweed is found throughout the United States, especially in compacted soils.
Related or Similar Plants
Prostrate Knotweed, Knotgrass, Doorweed, Matgrass
Cultural Solutions
- Reduce soil compaction (aerating lawns) and maintain healthy turf.
- Mulch and hand-pull.
Season Long Weed Control For Lawns-29 oz. Ready-To-Spray
Season Long Weed Control For Lawns-29 oz. Ready-To-Spray
- Post-Emergent: Kills existing listed broadleaf weeds
- Won't harm lawns
- Apply anytime spring through fall when temperatures are between 50º-90ºF
3-In-1 Weed And Feed For Southern Lawns-12.5 lb. Bag
3-In-1 Weed And Feed For Southern Lawns-12.5 lb. Bag
- Kills listed weeds including Dollarweed, Dandelion and Clover.
- Feeds, greens and strengthens your lawn.
- Prevents broadleaf and grassy weeds PLUS CRABGRASS up to 6 MONTHS.
All-In-One Lawn Weed & Crabgrass Killer Ready-To-Use-1.3 Gallon Ready-To-Use
All-In-One Lawn Weed & Crabgrass Killer Ready-To-Use-1.3 Gallon Ready-To-Use
- Kills over 200 listed broadleaf weeds like Dandelion and Clover
- PLUS controls listed grassy weeds like Crabgrass
- Won't harm lawns when applied as directed*
*When used as directed. Not for use on St. Augustinegrass (including Floratam variety), Bahiagrass, Carpetgrass, Centipedegrass or Dichondra.
Southern Weed Killer For Lawns-32 oz. Ready-To-Spray
Southern Weed Killer For Lawns-32 oz. Ready-To-Spray
- Kills 200+ broadleaf weeds in St. Augustinegrass, Centipedegrass and other Southern lawns
- One simple application kills Dandelions, Clover and more
- Rainproof in one hour
- 32 oz. Ready-To-Spray treats up to 16,000 sq. ft.
- 40 oz. Concentrate treats up to 20,000 sq. ft.
*Not for use on Dichondra, Carpetgrass, Floratam variety of St. Augustinegrass or desirable Clovers.
Lawn Weed Killer-32 oz. Ready-To-Spray
Lawn Weed Killer-32 oz. Ready-To-Spray
- Won't harm lawns¹
- Rainproof in 1 hour
- 40 oz. Concentrate treats up to 20,000 sq. ft.
¹When used as directed.
