When desert winds blow, water loss from plants and the soil, called evapo-transpiration, soars. Plants may wilt, lawn grass may lose its resiliency and leaves on trees may curl and drop. Water conservation sites, like www.bewaterwise.com , post daily calculations that can help homeowners plan and adjust irrigation to meet the landscape's ever-changing needs. The higher the reading, the more water plants require. Container plants, including succulents, are especially vulnerable and will need increased water during heat waves or Santa Ana events. So will gardeners; if you're working outside, stay well hydrated.