Gleditsia triacanthos Maryhill Museum 01.jpg. by Kevmin. CC BY-SA 3.0. via Wikimedia Commons
CC BY-SA 3.0 · Wikimedia Commons
Honey Locust Plant Care
Gleditsia triacanthos L.
The honey locust (Gleditsia triacanthos), also known as the thorny locust or thorny honeylocust, is a deciduous tree in the family Fabaceae, native to central North America where it is mostly found in the moist soil of river valleys.[2] Honey locust is highly adaptable to different environments, has been introduced worldwide, and is an aggressive, invasive species.[2]
Every 7–14 days
Full sun
0–100°F
40–70%
What Is the Honey Locust?
Honey Locust (Gleditsia triacanthos) belongs to the Fabaceae family within the Gleditsia genus. Honey Locust is native to central North America. Honey Locust is also known as Sweet Locust, Black Locust, Locust Tree.
Honey Locust displays a medium to large deciduous tree growth habit, reaching up to 50 inches tall with a spread of approximately 30 inches. Honey Locust produces small greenish-yellow flowers in clusters.
Leaf size: approximately 6 inches.
How Often Should You Water a Honey Locust?
Gleditsia triacanthos requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–14 days
Let soil partially dry between waterings
What Light Does the Honey Locust Need?
Honey Locust thrives in full sun light conditions. The optimal light range is 200–1000 lux. Avoid placing Honey Locust in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Full sun
200–1000 lux
What Temperature and Humidity Does the Honey Locust Prefer?
Gleditsia triacanthos grows best at temperatures between 0°F and 100°F. Honey Locust prefers humidity levels of 40–70%.
Temperature
0–100°F
Humidity
40–70%
What Soil Mix Works Best for a Honey Locust?
Well-draining loamy soil with good organic content. Good drainage is essential for Honey Locust to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Honey Locust?
Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Honey Locust?
Honey Locust can be propagated through seeds, grafting.
Fertilizing
Every 8 months
During the growing season
Is the Honey Locust Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the Honey Locust?
Honey Locust is susceptible to aphids, caterpillars, scale insects. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
What USDA Hardiness Zone Does the Honey Locust Need?
Honey Locust grows outdoors in USDA Zone 3a – 9b. Native to central North America, Honey Locust is adapted to warm climates. In cooler regions, grow Honey Locust as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 3a – 9b
Keep exploring plants
Honey Locust is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Gleditsia genus — compare its care with other Gleditsia species on PlantoScan.
Honey Locust thrives in bright light and direct sun — see other bright-light plants.
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