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Street Keeper™ Honeylocust features a moderate growth rate (45 feet in 50 years) and a narrow, strongly upright form.

Tree of the Month: Street Keeper™ Honeylocust

By Leonard Phillips, ASLA Emeritus


Botanical Name: Gleditsia triacanthos inermis ‘Draves’

Trade Name: Street Keeper™ Honeylocust

Family: Fabaceae

Parentage: Discovered near Buffalo, N.Y. by Tom Draves

Year of Introduction: 2009

Plant Patent: PP# 21698

Hardiness Zone*: 5-9

Height: 45 feet

Spread: 20 feet

Growth Rate: Moderate, 45 feet in 50 years

Form: Narrow, strongly upright, tightly pyramidal

Bloom Period: Spring

Flower: Male only, occasionally produces a female flower

Fruit: Nearly seedless

Spring Color: Mid-green

Summer Foliage: Dark green in summer, fine texture

Autumn Foliage: Yellow in fall

Winter Color: Dark branches provide winter interest

Bark: Dark gray to black, thornless

Habitat: Species found in U.S. from Pennsylvania to Texas and Nebraska

Culture: Moist well drained soil, sun

Pest Problems: Moderate resistance to disease, excellent resistance to pests and easily able to withstand injuries

Storm Resistance: Excellent

Salt Resistance: Good


Photos provided by J. Frank Schmidt & Son Co.Planting: Transplants easily bare root and B&B, suitable for use in CU-Structural Soil

Pruning: This tree requires little pruning        

Propagating: Budded on to species understock

Design Uses: Excellent specimen, good street tree, excellent in lawns and gardens because it casts a very light shadow and has low maintenance needs

Companions: Use with all types of perennials

Other Comments: Fine-textured leaves, ideal for city streets, good central leader dominance with strong branch crotch angles 

Available From: Becoming available in retail nurseries that carry new introductions


For information about the USDA Hardiness Zone Map, visit www.usna.usda.gov/Hardzone/index.html


These are the personal observations of the author, living in New England – Zone 6. Leonard Phillips can be reached via email at lenphillips@on-line-seminars.com.

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