Skyline Honeylocust

Gleditsia triacanthos

The Skyline honeylocust (Gleditsia triacanthos var. inermis ‘Skycole) is your top choice for a truly showstopping tree. With its hardy nature, this dazzling tree is the perfect addition to any landscape, including those urban environments. If you are looking for a spectacular specimen for your outdoor spaces, you cannot go wrong with the Skyline honeylocust.

Skyline Honeylocust Attributes

The Skyline honeylocust is a cultivar of the native tree found throughout most parts of the United States. However, this variety is unique as it does not have thorns like other honeylocusts. The Skyline honeylocust develops a thin, airy crown that gives you plenty of shade for your space. Its leaves are pinnately compounded, and they measure approximately 8 inches. There are several leaflets on each branch. In the spring, you will start to see the leaves emerge. The Skyline honeylocust is one of the last trees to bud in the springtime.

Skyline Honeylocust



  • Plant Type: Tree
  • Watering Needs: Water regularly
  • Botanical Pronunciation: gleh-DIT-see-uh try-uh-KANTH-oase
  • Deciduous/evergreen: Deciduous
  • Growth habit: Fast
  • Average landscape size: Grows 60-80’ (less frequently to 120’) tall
  • Special features: 
  • Foliage color: Dark color
  • Blooms: Spring
  • Flower color: Greenish-yellow
  • Flower attributes: Fragrant
  • Garden style: Asian/Zen, Cottage, Rustic
  • Design Ideas: The species is not recommended for landscape usage due to its numerous thorns. Thornless/seedless varieties and cultivars are recommended for lawns and sometimes as street trees.
  • Companion Plants: Viburnum, Cotoneaster, Coral Bells

Skyline Honeylocust Landscape Uses

Since the Skyline honeylocust sprouts out later than other shade trees, it can protect itself from those hard freezes and heavy snows. For that reason, this is the ideal tree for those landscapes that experience extreme fall or spring weather. The honeylocust is a great choice for well-manicured lawns. If you need a tree with deep roots, the honeylocust’s root system will not pop through the surface of your property.

The Skyline honeylocust makes a magnificent accent tree for your outdoor space. If you are looking for dappled shade, this tree can provide plenty of shady places for you to rest and relax throughout your yard. The dappled shade provides enough sunlight to allow grass and plants to grow near the well-developed trunk.

This tree variety will grow tall. The Skyline honeylocust can reach a height of 45 feet and spread to a width of 35 feet. Since the foliage canopy sits well above the ground, you will not want to plant this species under any power lines. The Skyline honeylocust is often found along sidewalks and streets, but its branching might require some care as it matures. When the tree grows, you may have to trim it to prevent any issues with pedestrian traffic.

The Skyline honeylocust is an exceptional tree that improves areas with erosion or other soil issues. With its deep root system, it can stabilize those hilly spaces on your property. Wherever you place this tree, it will be a hardy element for any outdoor space.

Skyline Honeylocust Care

This tree requires little maintenance, and it grows in USDA hardiness zones 3 to 9. The honeylocust does develop at a fast rate. Under the best conditions, you can expect this tree to live up to 70 years. The Skyline honeylocust needs full sunlight. It can tolerate dry and wet conditions. This tree is even adaptable to those challenging environmental factors, such as compacted soil, salt, and pollution. For those urban environments, the Skyline honeylocust thrives in city locations, and it loves most home landscapes. It is not particular to any soil pH or type.

If you are looking to prune those low branches, it is best to wait until the threat of cold weather has passed. Most pruning is done in the late winter before the spring growing season. For those areas with deer, they tend to leave this tree alone.

Enjoy the Beauty of the Skyline Honeylocust

Gleditsia triacanthos

The Skyline honeylocust is a very popular choice for many landscapes. It is prized for its delicate appearance and dappled shade. This tree is an excellent choice for a backyard. It also thrives along a sidewalk or street. With its durability, it can handle any growing condition. You will definitely want to add this honeylocust to your inventory.

At Arbor Valley Nursery, we can order the Skyline honeylocust for your nursery, landscaping business, or garden center. If you would like to learn more about this variety, please fill out the contact form.

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