Answer: How awesome! Lantana is also called shrub verbena, and for good reason. That's because it can grow about 12-15 ft. tall and 10 ft wide when it's happy in its garden spot. We are used to seeing the low growing and trailing hybrids, but the species lantana can actually grow to gigantic proportions - as you have discovered! Although it is unusual to see this in the Phoenix area, it is quite common to see them this size in the Texas panhandle and in Florida. Enjoy your garden!
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