Gleditsia triacanthos inermis
Honeylocust, Sunburst or Thornless
Gleditsia triacanthos inermis 'Sunburst'
Category: deciduous tree Size: medium
Mature Size: 30 - 35' by 30 - 35'
Zone: Down to 4 Growth Rate: fast
Foliage: Lacey, golden yellow when young turning to bright green.
Elevation (if known): To 7,500'
Water: Water deeply and infrequently to enourage deep root growth. Medium.
Soil : Well-drained. Tolerates alkaline soil, but best in rich loams.
Comments: Even though listed as zone 4 and elevation 6,500' seems to do fine in Alamosa. Tolerates seasonal extremes, city pollution, and wind.
Warnings: Protect bark from sun scald (with shade or tree wrap) for at least two years after planting. Has thorny, forked spines. Susceptible to caterpillars. Defoliates in response to temperature changes and drought. Not wind tolerant.
Alamosa Tree Board Recommended? yes
Street Tree? yes Street Tree Conditions: Do not plant too near sidewalks or curbs.
CO/NM native? no Native to:
Information Sources: Rky Mtn Gardener's Guide; CSU Extension; Little Valley Whole Sales Nursery; Alamosa Tree Board; Salida, CO, Tree Guide