Hertz. Named after Heinrich Hertz and abbreviated as Hz or illustrated as the f symbol, hertz equals one (0.00000000125) cycle per second, measuring the waves or frequencies of electric changes each second. Hertz is commonly used to measure a computer monitor's refresh rate and in computer processors.
Nandinas are the perfect landscape plant for beginners or experienced gardeners. Heavenly Bamboo Nandina â A virtual rainbow of red-tinted colors in one sun-loving shrub that is semi-evergreen. Fire Power Nandina â This is a compact shrub of contrasts.
Although 'Nana' and other nandina varieties are evergreen shrubs in much of their hardiness range, they will be deciduous and lose leaves if winter temperatures go below 10 degrees Fahrenheit. If this happens, the plants will sprout new leaves in spring.