Shade and Ornamental Trees: Gleditsia (Honeylocust)

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Gleditsia triacanthos var. inermis 'Halka'

Halka Honeylocust is upright, but with horizontal branching to create a large oval to rounded tree, with more fullness than some other varieties. Fall colour is yellow. Trunk thickens at an early age. Gleditsia with its open branch structure and small leaflets (pinnate or bipinnate compound) creates dappled/light shade ideal for parking lots, sidewalks etc. Cultivars used in the landscape trade are thornless (inermis) as a rule, and produce few if any thorns and/or fruitpods. Gleditsia is very tolerant of urban conditions and adaptable to many soil types. They do require some maintenance pruning to remove dead wood.

Gleditsia triacanthos var. inermis 'Shademaster'

Shademaster Honeylocust is a thornless, seedless upright tree with ascending branches eventually becoming spreading and vase shaped. Leaves divided into many oval 1.5 to 3cm long leaflets, turning yellow in fall. Tolerates atmospheric pollution. see 'Halka'

Gleditsia triacanthos var. inermis 'Skyline'

Skyline Honeylocust is compact, pyramidal and symmetrical. Ascending branches with dark green foliage. Ideal trouble-free urban street tree. Skyline is more upright than most selections. see also 'Halka'

Gleditsia triacanthos var. inermis Street Keeper

Street Keeper Honeylocust is a new introduction from J. F. Schmidt (discovered near Buffalo, New York by Mr. Tom Draves). Ascending branches create a canopy that is more tight/narrow than other honeylocusts (about half the width!). Street Keeper has a good central leader and strong branch crotch angles. Foliage is deepest green and fine textured.

Gleditsia triacanthos var. inermis 'Sunburst'

Sunburst Honeylocust has an irregular but generally symmetrical head. Golden-yellow new foliage is showy against background of deep green foliage. Foliage may change to yellowy-green in early summer. Prefers sun and well-drained soil. see also 'Halka'