On episode 57 of rootbound, we take the highway to the USDA Hardiness Zones. Then Genevieve tells us about a boastful flower that doesn’t have petals. Steve talks about little blue flowers, children’s books and the wrong side of the law. Finally, Steve discusses pretty flowers along the road.Show Notes!History of Plant Hardiness Zone MapsThe official USDA Hardiness Zone Map30 Facts You Need to Know If You Love HydrangeasOak-leaf hydrangea, Alabama's State WildflowerTexas State FlowerThe Texas Bluebonnet: Its Legends and MythsThe Prevailing Myth of Picking Texas BluebonnetsA Lupine's “Wolf Fang”About the Texas Bluebonnet AwardWhere the Wildflowers Grow (All about the TxDOT Wildflower Program)Support Rootbound

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