Ginkgo

Ginkgo biloba L.


     

   

All photographs are copyrighted and are the property of E. Brunner.


Family:  Ginkgoaceae

Native or Introduced to Illinois:  introduced 

Leaf:  Flabellate leaves have the upper margin irregularly toothed, have many veins and are divided by a deep incision which cuts them into two lobes.  The leaves of the Ginkgo are green in the summer turning an attractive yellow in the fall.

Flower:  The Ginkgo has almost unnoticeable flowers that bloom in the spring.  Male and female flowers appear on separate trees.

Fruit:  The fruit of the Gingko is " to 1-" in size and tan in color. Some complain of the mess and odor and recommend planting only the male of the species.

Bark/Twig:  The bark is reddish in color.  

Size/Form/Shape: This ginkgo reaches a height of 40 m (130 ft).  Males are upright and irregular in shape, females are low and spreading.  

National Distribution Map:  

 

Sources for the Sullivan Middle School Tree Identification Guide were obtained though the use of the following sites:


The information below is from the National Arbor Day Foundation.  This information can be viewed in the original (source) form by visiting The National Arbor Day Foundation at http://www.arborday.org.

GROWING REQUIREMENTS/RATE
Sun Exposure:  This ginkgo does well in Full sun to partial shade.
Soil Type:  The (Maidenhair Tree) Ginkgo grows in acidic, alkaline, loamy, moist, rich, clay, sandy, silty loam, wet, well-drained, wide range of soils. This tree is drought tolerant.
Moisture:  The Gingko tolerates moderate drought and moderate wetness, but does not grow well in hot and dry climates.
Growth Rate:  This tree grows at a medium growth rate.

Hardiness Zones: 3 - 8
The ginkgo can be expected to grow in the zones shown in color in the arborday.org zone map.