Weed identification

Asked July 10, 2019, 11:07 AM EDT

Could you identify this weed for us? I am sorry that I seem to have lost your previous reply but these photos are much clearer.

Wayne County Michigan

3 Responses

Hello again, The better picture appears to be annual sowthistle. Here is the orginal reply to your other question on it-

Hello,

This could be sow thistle or prickly lettuce.

Turn a leaf over( with a gloved hand)- prickly lettuce has spines on the back of the leaf running down the middle vein. Sow thistle has no spines running down the middle.

Perennial sowthistle is susceptible to many common broadleaf herbicides including 2,4-D and other phenoxy acids. Three-way combination products will be most effective in the fall when soil temperatures are below 60 degrees and the plant is actively translocating energy into the rhizome system.

Please-Always read, understand, and follow the label directions. Mention or exclusion of specific products does not represent an endorsement or condemnation of any product by Michigan State University.

Annual weeds do not need chemical control since they die and come back each year from seed. Keep them mowed and discard the flowers and seed heads to reduce seed in the soil. A pre-emergent control will help reduce germination.

Here are links-

https://extension.psu.edu/annual-sowthistle

http://www.msuturfweeds.net/details/_/perennial_sowthistle_6/

http://ippc2.orst.edu/mint/plettuce.htm

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