Canada

Common hempnettle

Galeopsis tetrahit

Annual, seed-propagated weed with taproot; up to 40 cm (15.74 inch) tall.

Swollen stem nodes, stems square in cross-section. Pink-to-bluish-purple flowers arising from the axils.

Cotyledons: Strong, smooth-edged, oval-stemmed, with two lobes at the base and a rounded tip.

Stems: Square in cross-section, with swollen stem nodes; simple or branched, rough owing to their stiff hairs.

Leaves: Long oval in shape, with downy hairs on both sides, with large regular teeth and reddish-brown stem.

Pesticides
Accurate
intensity: ★★★
Accurate WSB
intensity: ★★★
Ally 20 SG
intensity: ★★★
Ally Herbicide Dry Flowable 60
intensity: ★★★
Ally Herbicide Toss-N-Go
intensity: ★★★
Ares
intensity: ★★★
Barricade SG
intensity: ★★★
Boost M
intensity: ★★★
Callisto GT
intensity: ★★★
Carnival 540
intensity: ★★★
Cheminova Glyphosate
intensity: ★★★
Cheminova Glyphosate II
intensity: ★★★
Clearout 41 Plus
intensity: ★★★
Clearview
intensity: ★★★
Credit 360
intensity: ★★★
Credit 45
intensity: ★★★
Credit Plus
intensity: ★★★
Credit Xtreme
intensity: ★★★
CS-100-2525
intensity: ★★★
CS-100-3317
intensity: ★★★
Cycle
intensity: ★★★
DB-1254
intensity: ★★★
DB-6654
intensity: ★★★
DB-8454
intensity: ★★★
Deploy 75 DF
intensity: ★★★
Deploy WDG
intensity: ★★★
Depose
intensity: ★★★
DPX-R9674 50 SG
intensity: ★★★
Dupont Predicade Grass
intensity: ★★★
Durango
intensity: ★★★
Eclipse II A
intensity: ★★★
Eclipse II B
intensity: ★★★
Eclipse III A
intensity: ★★★
Eclipse III B
intensity: ★★★
Enforcer D
intensity: ★★★
Enlist Duo
intensity: ★★★
Express PRO
intensity: ★★★
Flexstar GT
intensity: ★★★
Frontline A
intensity: ★★★
Frontline B
intensity: ★★★
Frontline I
intensity: ★★★
Frontline XL
intensity: ★★★
GBX
intensity: ★★★
Gesagard 480SC
intensity: ★★★
GF-2018
intensity: ★★★
GF-2726 TSOY
intensity: ★★★
GF-772
intensity: ★★★
GF2050
intensity: ★★★
Glyfo Silvi
intensity: ★★★
Glyfos Bio
intensity: ★★★
Glyfos Bio 450
intensity: ★★★
Glyfos Soluble Concentrate
intensity: ★★★
Glyfos Soluble Concentrate II
intensity: ★★★
Glyphos AU Soluble Concentrate
intensity: ★★★
Glyphosate 480
intensity: ★★★
Glyphosate-Trimesium 480
intensity: ★★★
GP
intensity: ★★★
Guardsman Glyphosate
intensity: ★★★
Halex GT
intensity: ★★★
Harmony Broadleaf
intensity: ★★★
Imazethapyr 240 SL
intensity: ★★★
Infinity
intensity: ★★★
Lexone DF Toss-N-Go
intensity: ★★★
Liberty 150 SN
intensity: ★★★
Liberty 150 SN Herbicide and Crop Desiccant MP
intensity: ★★★
Luxxur B
intensity: ★★★
M6316 SG
intensity: ★★★
Maverick II
intensity: ★★★
Metsulfuron Methyl EUP Toss-N-Go
intensity: ★★★
MON 76429 Liquid
intensity: ★★★
MON 76431 Liquid
intensity: ★★★
MON 76669 Liquid
intensity: ★★★
MON 78027
intensity: ★★★
MON 79791 Liquid
intensity: ★★★
MON 79828 Liquid
intensity: ★★★
Muster
intensity: ★★★
Muster Toss-N-Go
intensity: ★★★
Navius
intensity: ★★★
Navius VM
intensity: ★★★
Nimble
intensity: ★★★
Nimble WSB
intensity: ★★★
Nu-Image
intensity: ★★★
Nufarm Boost
intensity: ★★★
Nufarm Fluroxypyr
intensity: ★★★
Nufarm Glyphosate 360
intensity: ★★★
NuGlo
intensity: ★★★
OcTTain XL
intensity: ★★★
Pixxaro A
intensity: ★★★
Polaris
intensity: ★★★
Powermax Liquid
intensity: ★★★
PP-23235
intensity: ★★★
PP-2525
intensity: ★★★
PP-2525 Toss-N-Go
intensity: ★★★
PP-31155
intensity: ★★★
PP-3317
intensity: ★★★
PP-Q50-882
intensity: ★★★
PP-Q52-105
intensity: ★★★
Predicade Broadleaf
intensity: ★★★
Predicade Grass
intensity: ★★★
PrePass A
intensity: ★★★
PrePass B
intensity: ★★★
PrePass XC A
intensity: ★★★
PrePass XC B
intensity: ★★★
PSABRY
intensity: ★★★
Pyroxsulam
intensity: ★★★
R/T 540 Liquid
intensity: ★★★
Refine
intensity: ★★★
Refine Extra 75 DF
intensity: ★★★
Refine Extra 75 Toss-N-Go
intensity: ★★★
Refine SG
intensity: ★★★
Refine SG Toss-N-Go
intensity: ★★★
Renegade HC Liquid
intensity: ★★★
Retain A
intensity: ★★★
Roundup Transorb HC Liquid
intensity: ★★★
Roundup Transorb Liquid
intensity: ★★★
Roundup Transorb Max Liquid
intensity: ★★★
Roundup Ultra 2 Liquid
intensity: ★★★
Roundup Ultra Liquid
intensity: ★★★
Roundup WeatherMAX With Transorb 2 Technology Liquid
intensity: ★★★
Roundup Xtend with VaporGrip Technology
intensity: ★★★
RRR
intensity: ★★★
RRRPSABRY
intensity: ★★★
Salute B
intensity: ★★★
SC547
intensity: ★★★
Scuttle
intensity: ★★★
Sencor 75 DF
intensity: ★★★
Sentrallas
intensity: ★★★
Sightline A
intensity: ★★★
Simplicity GoDRI
intensity: ★★★
Spectrum A
intensity: ★★★
Spectrum B
intensity: ★★★
StartUp
intensity: ★★★
Stellar XL
intensity: ★★★
Tandem A
intensity: ★★★
Tandem GoDRI A
intensity: ★★★
Target
intensity: ★★★
Touchdown 480 Liquid
intensity: ★★★
Touchdown IQ
intensity: ★★★
Touchdown Total
intensity: ★★★
Travallas
intensity: ★★★
Traxion
intensity: ★★★
Traxos Two Broadleaf Component
intensity: ★★★
Tricor 75 DF
intensity: ★★★
Tricor 75 WSB
intensity: ★★★
Tricor Mx
intensity: ★★★
Triton C
intensity: ★★★
Triton C 75 DF
intensity: ★★★
Trophy 600 A
intensity: ★★★
Trophy 600 B
intensity: ★★★
Trophy A
intensity: ★★★
Trophy B
intensity: ★★★
Truvist
intensity: ★★★
Tundra
intensity: ★★★
Varro
intensity: ★★★
Velocity 2
intensity: ★★★
Velocity m3 All-In-One
intensity: ★★★
VisionMAX
intensity: ★★★
XtendiMax with VaporGrip Technology
intensity: ★★★
Agri Star MCPA DMA 500
intensity: ★★
Attain XC A
intensity: ★★
Baseline A
intensity: ★★
Benchmark A
intensity: ★★
Enforcer M
intensity: ★★
Florasulam l
intensity: ★★
Fluroxypyr EC
intensity: ★★
Fluroxypyr WDG
intensity: ★★
Frontline 2,4-D XC A
intensity: ★★
Frontline 2,4-D XC B
intensity: ★★
FX
intensity: ★★
MCPA 2 EH Ester 600
intensity: ★★
MCPA Amine
intensity: ★★
MCPA Amine 600
intensity: ★★
MCPA DMA 500
intensity: ★★
MCPA Ester 500
intensity: ★★
MCPA Ester 500 LV
intensity: ★★
MCPA Ester 600
intensity: ★★
MCPA-K
intensity: ★★
MCPA Sodium 300
intensity: ★★
Prep II
intensity: ★★
ReadySet SC
intensity: ★★
Sencor 480 F
intensity: ★★
Sencor 500 Flowable
intensity: ★★
Sencor Solupak
intensity: ★★
Spitfire 50 SC
intensity: ★★
Starane
intensity: ★★
Tropotox Plus 400
intensity: ★★
2,4-D Ester 700
intensity: ★
2,4- D Ester 700
intensity: ★
Adrenalin SC
intensity: ★
Albaugh MCPA Ester 600 Liquid
intensity: ★
Arsenal
intensity: ★
Broadband
intensity: ★
Dyvel
intensity: ★
Florasulam II
intensity: ★
Florasulam WDG
intensity: ★
Fluroxypyr 180
intensity: ★
GF-1352
intensity: ★
Guardsman Gladiator
intensity: ★
MultiStar
intensity: ★
Paradigm
intensity: ★
Perimeter
intensity: ★
Perimeter II
intensity: ★
Plus M Ester 600
intensity: ★
PrePass 250 WG
intensity: ★
PrePass FLEX
intensity: ★
Retain B
intensity: ★
Starane GBX
intensity: ★
Starane II
intensity: ★
Stellar B
intensity: ★
Tandem B
intensity: ★
Viper ADV
intensity: ★
2,4-D LV-700
intensity: N/A
Achieve 40SC
intensity: N/A
Achieve Liquid
intensity: N/A
Arsenal Powerline
intensity: N/A
Attain A
intensity: N/A
Attain B
intensity: N/A
Banvel 483
intensity: N/A
Banvel
intensity: N/A
Banvel Dry Eg
intensity: N/A
BRY/MAE 2 (A Component of RRR/BRY/MAE Herbicide Tank Mix)
intensity: N/A
Buctril M
intensity: N/A
Centurion Emulsifiable Concentrate Post-Emergence
intensity: N/A
Challenger Herbicide
intensity: N/A
Clethodim 250
intensity: N/A
Clethodim 360EC
intensity: N/A
Clopyralid
intensity: N/A
Compas 480 EC
intensity: N/A
Conquest A Herbicide Tank Mix
intensity: N/A
Conquest B
intensity: N/A
Credit
intensity: N/A
Crush'R 480
intensity: N/A
Crush'R 540
intensity: N/A
Crush'R Plus
intensity: N/A
Dycleer Agricultural
intensity: N/A
Engenia
intensity: N/A
Express LW
intensity: N/A
Express SG
intensity: N/A
Express SG EUP
intensity: N/A
Express Toss-N-Go
intensity: N/A
Express Toss-N-Go Dry Flowable 75
intensity: N/A
Fexapan Plus Vaporgrip Technology
intensity: N/A
FirstStep
intensity: N/A
Fluroxypyr 180 EC
intensity: N/A
GF-184
intensity: N/A
GF-2685
intensity: N/A
Glean
intensity: N/A
Glyphogan Plus
intensity: N/A
Impede
intensity: N/A
Inferno WDG
intensity: N/A
Lexone DF
intensity: N/A
M1691
intensity: N/A
Mana Florasulam NC
intensity: N/A
Maverick III
intensity: N/A
NC-00439
intensity: N/A
NC-0050
intensity: N/A
Nuance
intensity: N/A
Nuance Pro
intensity: N/A
Nuance WSB
intensity: N/A
Nufarm Spike 75
intensity: N/A
Nufarm Trophy 600 A
intensity: N/A
Nufarm Trophy 600 B
intensity: N/A
Odyssey NXT
intensity: N/A
Odyssey Ultra A
intensity: N/A
Odyssey Ultra B
intensity: N/A
Odyssey Ultra NXT A
intensity: N/A
Odyssey Ultra NXT B
intensity: N/A
Odyssey WDG
intensity: N/A
Outshine
intensity: N/A
Perimeter MEGA PrecisionPac
intensity: N/A
Perimeter MEGA XC PrecisionPac
intensity: N/A
PrePass 480
intensity: N/A
Prestige A
intensity: N/A
Prestige B
intensity: N/A
Prestige XC A
intensity: N/A
Prestige XC B
intensity: N/A
Prestige XL
intensity: N/A
Priority
intensity: N/A
Prometrex 80 WSP
intensity: N/A
Pursuit 240
intensity: N/A
Reclaim II A
intensity: N/A
Reclaim II B
intensity: N/A
RRR 1 (A Component of RRR/BRY/MAE Herbicide Tank Mix)
intensity: N/A
Signal F
intensity: N/A
Simplicity
intensity: N/A
Spike
intensity: N/A
Squadron
intensity: N/A
Thumper Total 1 (A Component of Thumper Total Herbicide Tank Mix)
intensity: N/A
Thumper Total 2 (A Component of Thumper Total Herbicide Tank Mix)
intensity: N/A
Tribenuron Methyl EUP DF 75
intensity: N/A
Vantage
intensity: N/A
Vantage MAX
intensity: N/A
Vantage Plus
intensity: N/A
Vantage Plus MAX
intensity: N/A
Velocity A (A Component of Velocity M3 Herbicide Tank Mix)
intensity: N/A
Velocity B (A Component of Velocity M3 Herbicide Tank Mix)
intensity: N/A
Vios G3
intensity: N/A
VP480
intensity: N/A