Tree-of-heaven -- or Ailanthus-- is an invasive triple threat, according to a team of plant pathologists. The species produces seeds early in its lifespan, tends to make millions of viable seeds ...

Tree-of-heaven seed clusters; Photo: John Woodmansee Figure 4: Tree-of-heaven female with seed (left), and male (right); Photo: John Woodmansee ...

The tree of heaven (Ailanthus altissima ... It can grow 3-6 feet per year and can produce extremely large quantities of seeds within 2-3 years. Its roots produce a compound that kills any other ...

Growing upwards of 60 feet tall, the tree of heaven can rapidly spread by seed dispersal or by aggressive roots and suckers ...

The tree of heaven has very large (3-foot ... Female trees produce many winged papery seed pods (called samaras) that can be red, yellow, or green and, if you didn’t know any better, are ...

Tree-of-heaven can be found, sometimes in abundance, in both urban and rural environments. The tree spreads through abundantly produced wind-scattered seeds from female trees, and sprout colonies ...

Tree of heaven produces clusters of winged fruits called samaras. Each samara consists of a flat, twisted wing with a round seed near its center. Due to its extensive root system and resprouting ...

“The numerous windblown seed, prolific root sprouting ... The authors stated that controlling tree-of-heaven can be challenging. Methods include mechanical (pulling, cutting or girdling stems), fire, ...

CHARLESTON, WV (WOWK) — Despite its name, the tree of heaven is most commonly known ... areas with easily spreadable wind-dispersed seeds. These same qualities would soon become a burden as ...

You have likely seen Tree-of-Heaven along roadsides ... Not only can a single tree can shed a prodigious 350,000 seeds in a year, it sends out a toxin through its root system that poisons nearby ...

The tree of heaven, scientific name Ailanthus altissima ... It also produces a large amount of seeds and releases a chemical into the nearby soil that is dangerous to the plants that is growing ...