This is a photo collection curated by AP photo editors.
FILE - A guest takes a puff from a marijuana cigarette at the Sensi Magazine party celebrating the 420 holiday in the Bel Air section of Los Angeles, April 20, 2019. (AP Photo/Richard Vogel, File)
- RV
FILE - In this April 12, 2018, photo, a marijuana plant awaits transplanting at the Hollingsworth Cannabis Company near Shelton, Wash. (AP Photo/Ted S. Warren, File)
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FILE - Kenny Boynton smokes a joint San Francisco, Calif., on Friday, April 20, 2018. (AP Photo/Josh Edelson, file)
- FRE
FILE - Music fans seek shelter in a grass hut at the Woodstock Music and Art Festival in Bethel, N.Y., Aug. 17, 1969. (AP Photo/File)
- IP AB1
FILE - In this Aug. 15, 2014 file photo, set to the symbolic 4:20 time, weed patterns adorn clocks up for sale on the first of three days of Hempfest, Seattle's annual gathering to advocate the decriminalization of marijuana at Myrtle Edwards Park on the waterfront in Seattle. (Jordan Stead/seattlepi.com via AP, File)
- JBS MM**NY** ER
