BOTANICAL NAME: Ginkgo biloba
FAMILY: Ginkgoaceae
COMMON NAME(S): Maidenhair Tree
HARDINESS/ZONE: USDA: 4-8
Sunset: 1-9, 14-24
FOLIAGE: alternate, simple, old growth on spur shoots w/ 3-5 leaves/spur, dichotomously veined, 2-3″ across, 11/2″ – 31/2″ long, incised or divided at tip, bright green, long petiole, butter yellow in fall
FLOWERS: dioecious, male 1″ long catkins, female 11/2″ – 2″ long pedicle, may be 20 years old before flowers
FRUIT: tan/orange naked seed (gymnosperm) 11/2 – 2″ long, drupelike, long peduncle, fleshy outer coat, stony inner coat, foul smell!
BARK: deep fissures, light tan, corky appearance
SEASONAL VALUE: yellow fall color, form, bark
HEIGHT: 50-80′ SPREAD: 30-40′ GROWTH:Fast/Mod/Slow
(Fast when young)
Sun/Part Shade/Shade
HABIT: narrow to umbrella shaped crown, pyramidal when young, widens with age
SOIL: prefers sandy, moist, deep, but adaptable, drought tolerant
PRUNING: corrective, retain central leader
PESTS: relatively pest free
PROPAGATION: cuttings or grafting only of male plants
COMMENTS: -cultivated variety ‘Autumn Gold’, ‘Fairmount’
-air pollution tolerant.
-native to Eastern China, dates back 150 million years!
-only male trees should be used as females produce fruit with rank odor.
