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        • Buchanan’s Native Plants has been serving Houston gardeners since 1986. Located in the historic Houston Heights, the garden center is dedicated to native plants and organic gardening.  You will find the best selections of hardy natives as well as perennials, herbs, vegetables, trees, shrubs & roses — all suited to the Houston climate.

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Home » Plant Library » Trees » Black Gum
Black Gum | Nyssa sylvatica

Black Gum

Botanical name: Nyssa sylvatica

One of the most spectacular and reliable fall coloring trees, turning brilliant shades of red and orange, and a very neat, pyramidal habit of growth; very particular about its growing conditions, needs organic, acidic soils, intolerant of urban pollution.

Other names: Tupelo, Black Tupelo, Sour Gum, Pepperidge

  • Characteristics
  • Features and Attributes
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Characteristics

Hardiness zone 4b
Foliage type deciduous *
Plant form pyramidal
Mature height 40 feet
Spread 25 feet
Light requirements

full sun to partial shade

Moisture requirements

average to moist

Plant origin North American native

* deciduous = loses leaves in winter

Ornamental Features

Black Gum has forest green foliage throughout the season. The glossy pointy leaves turn an outstanding crimson in the fall. Neither the flowers nor the fruit are ornamentally significant. The furrowed black bark adds an interesting dimension to the landscape.

Landscape Attributes

Black Gum is a deciduous tree with a strong central leader and a distinctive and refined pyramidal form. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

This is a relatively low maintenance tree, and is best pruned in late winter once the threat of extreme cold has passed. It is a good choice for attracting birds to your yard. It has no significant negative characteristics.

Black Gum is recommended for the following landscape applications;

Accent, Shade, Vertical Accent

Planting and Growing

Black Gum will grow to be about 40 feet tall at maturity, with a spread of 25 feet. It has a low canopy with a typical clearance of 3 feet from the ground, and should not be planted underneath power lines. It grows at a slow rate, and under ideal conditions can be expected to live for 70 years or more.

This tree does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is very fussy about its soil conditions and must have rich, acidic soils to ensure success, and is subject to chlorosis (yellowing) of the leaves in alkaline soils. It is quite intolerant of urban pollution, therefore inner city or urban streetside plantings are best avoided, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This species is native to parts of North America.

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Buchanan’s Native Plants
611 East 11th Street
Houston, Texas 77008

713-861-5702

Hours: 9 am – 6 pm
Open Every Day – Monday – Sunday

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