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Distinguished by its fine-textured summer leaves and its informal spreading habit, honeylocust is a ubiquitous medium to large deciduous tree native to the central and eastern United States and extreme southern Ontario. Most garden honeylocusts are sterile, non-fruiting selections of the thornless variety Gleditisia triacanthos f. inemris.
The bright green, pinnately compound leaves of this cold-hardy tree cast filtered shade. They flush relatively late in spring and turn dull yellow in autumn. Fallen leaves create relatively little mess. The trunk has gray-brown, shallowly fissured bark, and lacks the formidable spines typical of most honeylocusts. Inconspicuous greenish spring flowers appear in clusters in spring. Fertile forms of this tree bear large flat red-brown seedpods which litter the ground when shed in autumn and winter.
Honeylocust likes sun and is adapted to a wide variety of soil types. Thornless selections make good shade trees, although overuse of this tree has led to increasing insect and disease problems. This tree can self-sow, invasively in areas such as eastern Australia. (info source: Learn2Grow.com)
Genus - Gleditsia
Species - Triacanthos
Common name - Thornless Honeylocust
Pre-Treatment - Not-required
Hardiness zones - 4 - 9
Height - 50'-80' / 15.2m - 24.4m
Spread - 12"-18" / 30.5cm - 45.7cm
Plant type - Tree
Vegetation type - Deciduous
Exposure - Full sun
Growth rate - Fast
Soil PH - Acidic, Neutral, Alkaline
Soil type - Loam, well drained
Water requirements - Average
Landscape uses - Feature Plant, Shade Trees, Street Trees
Germination rate - 90%
Bloom season - Late Spring
Leaf / Flower color - Light Green / Yellow Green
| Useful Info | |
| Germination | Consider planting the honey locust tree in areas that suffer salt spray because the tree tolerates salt conditions well. The tree also makes a sturdy windbreak and will withstand heavy winds without breaking. You can start a honey locust from the seeds. To succeed, you must follow some simple steps. 1. Prepare honey locust seeds properly to assist in the germination of the seed, which is encased in a tough coat. In nature, animals eat the seedpods, which then pass through their digestive system; this serves the purpose of softening the tough coat and allows germination to occur. You can simulate this process by soaking your seeds in 190 degree F water. If you don't soak your seeds, they might not germinate. 2. Allow your seeds to soak until they swell to three times their original size in order for germination to occur. It is important to catch seeds at this exact size and also to plant them immediately without storing them. 3. Soaked honey locust seeds will stand a better chance of long-term survival if you plant them in pots or flats for the first few months of their lives instead of planting them directly into the ground. Use pots or flats with drainage holes and standard potting soil. If you do not plant each seed ½ to ¾ inch deep, the rate of successful germination can decline. Not all seeds will sprout, so plant more than you need. If you don't keep the soil moist, germinating seeds can dry out and die before you see them emerge above the soil surface. 4. After your honey locust seeds sprout, give them plenty of sun or artificial light, but avoid high temperatures, which can kill seedlings. Early spring is a good time to start your honey locust seeds because the sun is not as intensely hot as it becomes later in the year. Be sure not to keep your pot or flat near a radiator or other heat source. (source: ehow.com) |
