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    • Abelia
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    • Autumn Crocus
    • Bear's Breeches
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    • Pink Dawn Bodnant Viburnum
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    • Peruvian Lily, Alstroemeria
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    • Sneezeweed, Helenium
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Maidenhair Tree
Ginkgo biloba

November's Plant of the Month 2021

A living Fossil

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Gingkos are used as an effective screen as they don their bright yellow autumn foliage at the Huntington Gardens, San Marino, California
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The large tree on the left is an old maidenhair tree at the Jephson Garden, Leamington Spa in England.
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The fan shaped leaves are a dull green during the summer and bear a v-shaped notch in the centre.
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Foliage arise in clusters from stubby spurs.
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Shades of green and yellow as autumn approaches.
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Frilly golden leaves become the stars of the garden in fall.
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Immature trees are slender with long thin branches that are spaced far apart.
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On young trees, growth tends to be irregular.
Picture
When dormant, their knubby spurs are noticeable.
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A mature ginkgo in fall at Harrison Hot Springs.
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Ginkgo fall foliage make a beautiful golden carpet.
Common Name:  maidenhair tree
Botanical Name:  Ginkgo biloba
Form:    upright tree
Family:  Ginkgoaceae
Genus:  Ginkgo
Species:  biloba
Plant Type: deciduous tree
Mature Size:  60’ to 115’ x 35’
Growth: slow
Origin:  China
Hardiness Zone: 4
Foliage:  up to 3” long, fan shaped with acute notch in center, veins diverge from base, dull green leathery leaves turn bright yellow in autumn
Flowers: March, separate male and female trees (dioecious), males are catkin-like, female flowers tiny, yellow and are borne on spurs
Fruit: yellow 2 to 3” plum-like fruit are borne on female trees in fall, centre nut is edible, rotting fruit is smelly and slimy
Bark:  greyish brown that become slightly fissured with age
Exposure:  full sun
Soil:  tolerant to most soils but prefer moist well-drained loam
Uses:  specimen, shade tree, street tree, accent tree, fall colour, Asian gardens
Propagation:   softwood cuttings in early summer
Pruning:  in winter during dormancy
​Problems:  no problems, tolerant of pollution

Comments: 
 
The Ginkgo biloba is also referred to as a living fossil due to its existence on earth since the dinosaur age. In ancient China and Japan, they were planted in temples and are still revered today. Part of their success is their extensive root system that delves deeply into the ground providing support and stability despite the conditions. These long-lived trees have excellent resistance to diseases, insects and even pollution. Some specimens in their native China, are more than 2,500 years old.
 
The gingko is a very unique plant; it’s the only member of the Ginkgoaceae family. This primitive tree, like most gymnosperms, doesn’t have flashy flowers, but they do have male and female trees. The female trees produce fruit that although are edible, they aren’t tasty. They also have a foul smell and are quite slimy. It’s recommended to grow only male trees to avoid the subsequent mess and smell of the fruit
 
In their youth, maidenhair trees have a slight silhouette and are sparsely branched.  As they age, their canopy becomes broadly pyramidal and slightly irregular. Their fan-shaped foliage has a notch in the centre and is very distinctive and appealing, especially when it turns a brilliant sunflower-yellow in the fall. The colour last well into the autumn but drop rapidly.  
Maidenhair trees grow best in full sun in well-drained moist soils, but are soil tolerant. Locate them where they can show off their elegant form, beautiful foliage and autumn colour.
 
Ginkgoes are not just beautiful trees, they are used for their memory enhancement properties and have been used in traditional Chinese medicine for centuries.
 
Cultivars
‘Autumn Gold’: 40’-50’ x 25’-30’, an all male cultivar with a symmetrical broadly spreading canopy, Gold fall colour lasts for weeks. Zones 3 to 8.
 
‘Fastigiata’: 30’-50’ x 10’-15’, narrow canopy and shorter height is perfect for screens and urban settings. Good fall colour. Zones 3 to 8.
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A line of old ginkgos tower above the Asian garden at the Huntington Gardens in California.
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Raindrops look like diamonds on on the pretty fan-shaped foliage.
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These 'Mariken' ginkgoes have been grafted onto a dwarf rootstock to become a standard tree.

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  • Home
  • About, Services, Contact
  • Ask Amanda
  • Roses
    • Types of Roses
    • Easy Roses
    • Climbing Roses
    • Portland's Rose Test Garden
    • Rose Insects & Diseases
    • Pruning Roses
    • Rose Sawfly
    • Rose Bloom Balling
  • Pruning Basics 101
    • Pruning Tools
    • Winter Pruning
    • Pruning Grapes
    • Pruning Clematis
    • Prune Your Own Garden Registration
  • Lawn Basics
    • Lawn Reno, Seed & Sod
    • Lawn Maintenance Schedule
    • Spring Lawn Care
    • Moss in Lawns
    • Lawn Alternatives
    • Lawn Grub Control
  • Mulch & Mulching
    • Living Mulches - Groundcovers
  • Propagation
    • Growing Seeds Outdoors
    • Growing Seeds Indoors
    • Taking Cuttings
    • Seed & Plant Catalogues
  • How to Garden Topics
    • Fall Garden Chores
    • Planting Know-How
    • Soil Building
    • Watering Tips & Techniques
    • Drought Gardening
    • Sheet Mulching, Lasagna Gardening
    • Cover Crops
    • Composting
    • Compost Tea
    • Houseplant Winter Care
    • Hummingbirds in Winter
    • Winterize Your Garden
    • Ponds in Winter
  • Growing Food
    • Spring Veggie Gardening
    • Crop Rotation, Succession & Companion Planting
    • Harvesting
    • Growing Potatoes
    • Winter Veggie Gardening
    • Taming Tomatoes
    • Speeding up Tomato Harvest
    • Tomato Tips
    • Saving Tomato Seeds
    • Tomato Troubles
  • Plant Pests 1
    • Plant Pests Part 2 - Controlling Insects
    • Garden Inspections
    • Helping Pollinators
    • Dogwood Anthracnose
    • Viburnum Leaf Beetle
    • Dormant Oil/Lime Sulfur
    • Japanese Beetles
    • Peony Blotch/Measles
    • Slugs & Snails
    • Horsetail, the Weed
    • June Beetle
    • Powdery Mildew
    • Soil Solarization
    • Rhododendron Leaf Spot
    • Plant Rusts
    • Black Knot
  • Container Growing
    • Choosing a Container
  • Feeding Plants 101
    • Fertilizers & Ratios
    • Nutritional Deficiencies & Toxicities
    • Organic Plant Food
  • Plant of the Month
    • Spring Flowering Bulbs
    • Colourful Fall Plants
    • Abelia
    • American Sweetgum
    • Ash (Fraxinus) Trees
    • Astilbes
    • Aubretia, Rock Cress
    • Aucuba, Japanese Spotted Laurel
    • Autumn Crocus
    • Bear's Breeches
    • Beautyberry, Callicarpa
    • Black-eyed Susans
    • Bleeding Heart, Lamprocapnos spectabilis
    • Calla Lilies
    • Dahlias
    • Daylily
    • Delphiniums
    • Devil's Walking Stick, Aralia spinosa
    • Dwarf Alberta Spruce
    • Dwarf Burning Bush
    • Fall Asters
    • Flowering Currants
    • Flowering Quince
    • Fritillaria
    • Garden Peonies
    • Garden Phlox
    • Ginkgo biloba
    • Grape-hyacinths
    • Handkerchief or Dove Tree
    • Harry Lauder's Walking Stick
    • Heathers
    • Hellebores, Lenten roses
    • Himalayan Sweet Box
    • Jack-in-the-pulpit, Cobra Lily
    • Japanese Anemones
    • Japanese Forest Grass
    • Japanese Maples
    • Japanese Skimmia
    • Japanese Spurge
    • Laurustinus viburnum
    • Lavenders
    • Lily-of-the-Valley Shrub, Pieris japonica
    • Mediterranean Spurge
    • Mexican Mock Orange
    • Montana Clematis
    • Mountain Ash
    • Oriental Poppies
    • Oriental Lilies
    • Paperbark Maple
    • Pink Dawn Bodnant Viburnum
    • Poinsettias
    • Oregon Grape Holly
    • Ornamental Kale
    • Peruvian Lily, Alstroemeria
    • Phalaenopsis, Moth Orchids
    • Persian Silk Tree
    • Portuguese Laurel
    • Rose of Sharon
    • Sneezeweed, Helenium
    • Snowberry
    • Snowdrops
    • Star Magnolia
    • Strawberry Tree, Pacific Madrone
    • Stewartia
    • Torch Lily, Kniphofia uvaria
    • Tree Peonies
    • Tuberous Begonias
    • Virginia Creeper
    • Weigela
    • Winterhazel, Corylopsis
    • Winter Camellia, C. sasanqua
    • Wintergreen, Gaultheria procumbens
    • Witch Hazel
    • Wood Anemones
    • Yews
  • Garden Tour Blogs
  • Monthly Flower Arrangements
  • Website Index
  • Subscribe
  • Need Help?