Rainbow Trout Stocking Each winter from December through early March, Texas Parks and Wildlife Department stocks rainbow trout in more than 100 locations across Texas. The hatchery-reared trout are 9 to 12 inches long and create a put-and-take fishery: we expect that most will be caught within a few weeks after being stocked. In spring and summer, most Texas waters are too warm to provide suitable habitat for rainbow trout. Trout stocking has been completed for the 2017-2018 season. Next winter's stocking schedule will be posted in mid-November.
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