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GINKGO biloba 'Fastigiata'

Image of Ginkgo biloba 'Fastigiata'

Jesse Saylor

Family

Ginkgoaceae

Botanical Name

GINKGO biloba 'Fastigiata'

Plant Common Name

Ginkgo

General Description

The narrowly upright, or fastigiate, crown of the maidenhair tree, ‘Fastigiata’, adds clean, vertical lines to the landscape. Its unusual fan-shaped leaves turn shades of yellow in fall and in winter its stark, deeply furrowed, grayish tan bark and knobby branches add additional interest.

Ginkgo is a tall, hardy tree native to eastern China. The story of this living fossil is a fascinating one. It is the last surviving species in Ginkgoaceae, a plant family that has existed for 150 million years, according to the fossil record. For thousands of years, Chinese and Japanese monks cultivated ginkgo as sacred trees for food and medicine, but populations were believed to be extinct in the wild for hundreds of years. In the mid-twentieth century, wild populations were reportedly discovered on Tianmu Mountain in the Zhejiang Province, among other remote forest regions. These claims are still under scrutiny because many botanists believe the “wild trees” have actually escaped from cultivation.

The distinctive fan-shaped leaves of ‘Fastigiata’ are borne in small clusters of three to five on short, knobby spurs along the branches. The leaf blades are blue-green have minute, parallel veins and a central dividing lobe, hence the botanical species name, biloba. In autumn, they turn warm shades of yellow and gold but will be shed quickly in a freeze. This tree is dioecious, which means that male and female flowers appear on separate plants. The fleshy, orange-tan or pale yellowish fruits produced by female trees have a very foul odor, despite the fact that the nuts within are edible and expensive to buy in Asian markets. For this reason, many landscapers seek male cultivars. Most trees sold as ‘Fastigiata’ are male, though some female fastigiate forms are also said to be sold under this name.

Ginkgo is best grown in full to partial sun. It will thrive in most well-drained soils and is it is relatively pH adaptable but grows best in acid to neutral soil that’s evenly moist and fertile. A tough tree for difficult situations, ginkgo is tolerant of air pollution, soil compaction and salt, so it is often planted as a city tree and in highly trafficked public areas. It is also a popular street tree but tends to become too large to serve its purpose, though it tends to grow slowly. Maidenhair trees can live for hundreds of years, so they are best planted in large open landscapes or parklands where they have plenty of room to grow. Strive to choose only male clones like this one if you want to avoid the messy, malodorous fruits they drop on sidewalks, driveways and lawns.

Characteristics

  • AHS Heat Zone

    9 - 3

  • USDA Hardiness Zone

    4 - 9

  • Sunset Zone

    A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Tree

  • Sun Exposure

    Full Sun

  • Height

    45'-75' / 13.7m - 22.9m

  • Width

    12'-20' / 3.7m - 6.1m

  • Bloom Time

    Spring

  • Native To

    China

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil Drainage

    Well Drained

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Pollution, Salt, Soil Compaction

  • Growth Rate

    Slow

  • Water Requirements

    Drought Tolerant, Average Water

  • Habit

    Narrow Upright/Fastigiate

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Insignificant

  • Flower Color

    Yellow Green

  • Fruit Color

    Orange, Light Yellow, Tan

  • Foliage Color (Spring)

    Light Green, Blue Green, Yellow Green

  • Foliage Color (Summer)

    Green, Blue Green, Yellow Green

  • Foliage Color (Fall)

    Yellow, Gold

  • Bark Color

    Tan, Slate Gray

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    Yes

  • Showy Foliage

    Yes

  • Foliage Texture

    Medium

  • Foliage Sheen

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Bark Texture

    Fissured

  • Usage

    Feature Plant, Shade Trees, Street Trees

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    Yes