Tree of heaven is an invasive plant. An invasive plant is a plant species that is non-native to the location being considered and whose presence and spread negatively impacts (or is likely to impact) ecological, economic, or human health. This tree is under observation and may be listed on official invasive species lists in the near future. Review of risks should be undertaken before selecting this tree for planting sites. It is generally not recommended for landscapes.
Tree of heaven has invasive traits that enable it to spread aggressively.
There are a number of native and non-native species that could be used in place of tree of heaven. More desirable species may be found using the Search Trees and Plants page of the Arboretum website. Before purchasing or planting a tree, check for any local or state guidelines on the species. Make sure the plant is suitable for its habitat by checking its attributes at mortonarb.org or plants.usda.gov.
- Family (English) Quassia
- Family (botanic) Simaroubaceae
- Tree or plant type Tree
- Foliage Deciduous (seasonally loses leaves)
- Native locale Non-native
- Size range Large tree (more than 40 feet)
- Mature height 40-60 feet
- Mature width 35-60 feet
- Light exposure Full sun (6 hrs direct light daily), Partial sun / shade (4-6 hrs light daily)
- Hardiness zones Zone 4, Zone 5 (Northern Illinois), Zone 6 (City of Chicago), Zone 7, Zone 8
- Soil preference Moist, well-drained soil
- Tolerances Alkaline soil, clay soil, Dry sites, Occasional drought, Occasional flooding, Road salt, Wet sites
- Season of interest late summer
- Flower color and fragrance Other
- Shape or form Thicket-forming, Upright
- Growth rate Fast
- Transplants well Yes
- Planting considerations Excessive sucker growth
- Wildlife Insect pollinators
- Has cultivars Yes
