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This plant is said to grow outdoors in the following regions:
Denver, Colorado
Frankfort, Illinois
Austin, Texas
I can confirm that Colutea arborescens thrives in the metropolitan Denver area. I particular, it reproduces and expands its range in Gol...Read Moreden as a garden escapee. I would caution anyone who considers planting this. Here are two vouchers: http://swbiodiversity.org/seinet/collections/individual/inde... http://swbiodiversity.org/seinet/collections/individual/inde...
I can confirm that Colutea arborescens thrives in the metropolitan Denver area. I particular, it reproduces and expands its range in Gol...Read More