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Bursera simaruba: Gumbo Limbo
This large semievergreen tree, with an open, irregular to rounded crown, may reach 60 feet in height with an equal or wider spread but is usually seen smaller (25- to 40-feet tall and 25- to 30-feet wide) in landscape plantings. The trunk and branches are thick and are covered with resinous, smooth, peeling coppery bark with an attractive, shiny, freshly varnished appearance. The tree typically develops from two to four large-diameter limbs originating close to the ground. A native of south Florida and the tropical offshore islands, the soft, light weight and easily carved wood of gumbo limbo was used for making carousel horses before the advent of molded plastics.
Scientific name: Bursera simaruba
Pronunciation: ber-SER-uh sim-uh-ROO-buh
Common name(s): Gumbo limbo
USDA hardiness zones: 10B through 11 (Fig. 2)
Origin: native to North America
Uses: deck or patio; shade; specimen; street without sidewalk; parking lot island 100–200 sq. ft.; parking lot island > 200 sq. ft.; tree lawn 4–6 feet wide; tree lawn > 6 ft. wide; urban tolerant; highway median
Availability: not native to North America
Height: 25- to 40-feet
Spread: 25- to 40-feet
Crown uniformity: irregular
Crown shape: round
Crown density: open
Growth rate: moderate
Leaf arrangement: alternate (Fig. 3)
Leaf type: odd-pinnately compound
Leaf margin: entire
Leaf shape: ovate, elliptic (oval)
Leaf venation: brachidodrome, pinnate
Leaf type and persistence: semievergreen
Leaf blade length: 2- to 4-inches
Leaf color: green
Fall color: no color change
Fall characteristic: not showy
Flower color: green
Flower characteristics: not showy
Fruit shape: oval
Fruit length: .5- to 1-inch
Fruit covering: fleshy
Fruit color: red
Fruit characteristics: does not attract wildlife; not showy; fruit/leaves not a litter problem
Trunk and Branches
Trunk/bark/branches: branches droop; very showy; typically multi-trunked; thorns
Pruning requirement: little required
Current year twig color: green, brown, reddish
Current year twig thickness: medium, thick
Wood specific gravity: unknown
Light requirement: full sun, partial sun, or partial shade
Soil tolerances: clay; sand; loam; acidic; alkaline; well-drained
Drought tolerance: high
Aerosol salt tolerance: high
Roots: can form large surface roots
Winter interest: yes
Outstanding tree: yes
Ozone sensitivity: unknown
Verticillium wilt susceptibility: unknown
Pest resistance: free of serious pests and diseases
Use and Management
Although growth rate is rapid and wood is soft, gumbo limbo trees have great resistance to strong winds, drought, and neglect. Drought avoidance is accomplished by leaf drop, and growth is often best in drier locations not receiving irrigation. The inconspicuous flowers are followed by red, three-sided berries that split into three sections at maturity to reveal a 1/4-inch triangular red seed. The fruit takes a year to ripen and matures in early summer.
Gumbo limbo grows in full sun or partial shade on a wide range of well drained soils. Tolerant of moderate amounts of salt spray, gumbo limbo adapts to alkaline or poor, deep white sands but will also grow quickly on more fertile soil. Once established, gumbo limbo requires little attention other than occasional pruning to remove lower branches that may droop close to the ground.
Gumbo limbo is ideal for a freestanding specimen on a large property or as a street tree, but does need room to grow. Lower branches will grow close to the ground, so street trees will have to be trained early for proper development. Locate the lowest permanent branch about 15-feet off the ground to provide enough clearance for a street tree planting. Specimen trees are often grown with branches beginning much closer to the ground, providing a beautiful specimen plant with wonderful bark.
Propagation is by seed, which germinates readily if fresh, but most often, gumbo limbo is propagated by cuttings of any size twig or branch. Huge truncheons (up to 12-inches in diameter) are planted in the ground where they sprout and grow into a tree. Be sure to properly prune and train a tree grown in this fashion, since many sprouts often develop along the trunk after planting. A tree left to grow in this manner usually develops weak branches, which may fall from the tree as it grows older. Space major branches out along the main trunk to create a strong tree. It is probably best to plant seed-grown trees or those propagated from smaller, more traditionally sized cuttings.
Pests and Diseases
No pests or diseases are of major concern. Occasionally caterpillars will chew the leaves, but rarely damage enough to warrant control.
This document is ENH263, one of a series of the Environmental Horticulture, UF/IFAS Extension. Original publication date November 1993. Revised December 2006. Reviewed February 2014. Visit the EDIS website at http://edis.ifas.ufl.edu.
Edward F. Gilman, professor, Environmental Horticulture Department; Dennis G. Watson, former associate professor, Agricultural Engineering Department, UF/IFAS Extension, Gainesville FL 32611.
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