How to Grow and Care for 'Blue Princess' Holly
The berries and leaves of ‘Blue Princess’ holly are are toxic to humans and pets. In the warmer parts of its hardiness range, it should have protection from the harsh afternoon sun. Soil Well-drained soil is key for these shrubs. The Spruce / Evgeniya Vlasova This will establish an extensive root system. Just double-check it’s never waterlogged. Temperature and Humidity The lowest temperatures this plant can endure are about -20 to -10 degrees Fahrenheit....