ring-cupped oak
Quercus glauca
USDA zones7 to 9
SunNeeds full sun (6+ hours)
WaterNeeds moderate soil
Size20 to 30 feet tall10 to 15 feet wide
- Bloom season
- Spring
- Bloom color
- Yellowish-green
Garden uses
Notes
Ring-cupped oak (Quercus glauca) is a tree for specimen use and shade garden settings. It is hardy to USDA zone 7, or down to 0°F (-18°C). This plant likes full sun and average moisture. It grows 20 to 30 feet tall and 10 to 15 feet wide. Yellowish-green flowers open in mid to late spring.
Pairs well with Chinese pistache, Bigleaf hydrangea, Mondo grass, and Coralbells.
Native range
China and Japan.