Tucson couple kept epic saguaro study alive for decades
Husband-and-wife scientists hand off research after 43 years.
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Tucson couple kept saguaro study alive for more than 40 yearsFor Star subscribers: Saguaro National Park is home to one of the world's longest-running annual plant surveys, and Tom Orum and Nancy Ferguson know the research subjects better than anyone.
With a high Monday expected to reach 112 degrees, the National Weather Service in Tucson on Sunday upgraded its weather warning for the Tucson area.
The hedgehog cactus is a great xeriscape plant with beautiful blooms which attract pollinators. It's native to the southwester deserts of the U.S. and Mexico and doesn't require supplemental watering.
