Canada

Blue lettuce

Lactuca tatarica

Blue lettuce is a tall perennial herb with showy blue flowers (2 cm across). The sap of this plant is milky. The leaves are alternate on the stem, lance-shapped and 5-18 mm long. Upper leaves are entire while leaves on the bottom are usually prominently toothed. The fruit is an achene with a black or brown seed.

Pesticides
Restore II
intensity: ★★★
Albaugh 2,4-D Amine 600
intensity: ★★
GF-2654 TC
intensity: ★★
GF-2654 TSOY
intensity: ★★
GF-2726 TSOY
intensity: ★★
MCPA 2 EH Ester 600
intensity: ★★
MCPA Amine
intensity: ★★
MCPA DMA 500
intensity: ★★
MCPA Ester 500
intensity: ★★
MCPA Ester 500 LV
intensity: ★★
MCPA Ester 600
intensity: ★★
Retain B
intensity: ★★
2,4-D Amine 500
intensity: ★
2,4-D BEE-4
intensity: ★
2,4-D Ester 700
intensity: ★
2,4- D Ester 700
intensity: ★
2,4-D LV-600
intensity: ★
2,4-D LV-700
intensity: ★
Adrenalin SC
intensity: ★
Agri Star MCPA DMA 500
intensity: ★
Attain XC B
intensity: ★
Boost M
intensity: ★
Formula 40 C
intensity: ★
Plus M Ester 600
intensity: ★
Rexade B
intensity: ★
Stellar B
intensity: ★
Albaugh 2,4-D Amine 600 Liquid
intensity: N/A
Albaugh MCPA Ester 600 Liquid
intensity: N/A
Attain A
intensity: N/A
Attain B
intensity: N/A
Attain XC A
intensity: N/A
Clearview
intensity: N/A
Fluroxypyr 180
intensity: N/A
Fluroxypyr EC
intensity: N/A
Fluroxypyr WDG
intensity: N/A
FX
intensity: N/A
GF-871
intensity: N/A
GF2050
intensity: N/A
GlyKamba
intensity: N/A
Milestone
intensity: N/A
Nufarm Fluroxypyr
intensity: N/A
Perimeter
intensity: N/A
Perimeter II
intensity: N/A
Restore A
intensity: N/A
Sightline A
intensity: N/A
Signal F
intensity: N/A
Traxos Two Broadleaf Component
intensity: N/A