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From: Claremore, OK
Region: Southwest
Topic: Wildflowers
Title: Wintering over Bluebonnets in a pot in Oklahoma
Answered by: Jackie OKeefe
Lupinus texensis (Texas bluebonnet) is planted as a roadside flower throughout Texas and Oklahoma, and winters well, growing through the winter months – through freezing temperatures and snow – to bloom in the spring. Plants in pots can be a little more vulnerable, because cold weather can chill the soil in a pot to freezing, where roots in the ground are protected. You may need to cover or move your plants to prevent this from happening. Our article on Container Gardening with Native Plants has this to say about protecting plants in pots from the cold:
"In freezing weather, plants in containers are more vulnerable than plants in the ground. They can be shielded on the south side of a wall with leaves, blankets, or given extra warmth with strings of holiday lights. Particularly tender plants should be brought inside. Remember to uncover your plants after a few days when the weather warms up and avoid over-watering dormant plants to prevent rotting."
You may also want to read our article on How to Grow Bluebonnets.
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