Advance registration is no longer required for Zoo admission. Given the continued threat of COVID-19 and variants of the virus, face masks are required for indoor areas and enclosed vehicles.
The Fourwing Saltbush is a woody shrub that has developed an interesting means to conserve water in the desert environment. Young leaves are covered with scales to prevent water loss, while older leaves have tiny hairs that concentrate and seep salts. When grown in high saline environments, the leaves become completely covered with salt.
The USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. The map is based on the average annual minimum winter temperature, divided into 10-degree F zones.