leatherwood

Ailanthus altissima

The Ailanthus altissima contains the following information regarding growth characteristics, propagation methods, cultivation methods, garden uses, and pests and diseases.

Growth Characteristics
- Growth Environment: The Ailanthus altissima is a fast-growing deciduous broad-leaved tree that thrives in sunny locations. It can grow in various soil conditions and thrives even in dry and barren soil.
- Size: Mature trees typically grow to 15–25 meters, though rarely they can exceed 30 meters.
- Leaves and Flowers: It has pinnately compound leaves, produces small yellowish-green flowers in the summer, and is dioecious (having separate male and female trees).

Propagation Methods
- Seed Propagation: It can be propagated by seeds, which spread widely by wind in natural conditions.
- Root Sprouting Propagation: It can also be propagated by sprouting new shoots from the roots. This method makes it highly invasive.

Cultivation Methods
- Soil: While it grows well in most environments without special soil requirements, it thrives more healthily in well-drained soil. - Watering: Moderate watering is required initially, but it tolerates dry conditions well once established.
- Care: Pruning helps maintain shape and inhibits propagation.

Uses in Gardens
- Ornamental: With its large, beautiful leaves and rapid growth rate, it is suitable for providing shade in gardens and parks.
- Environmental Role: It thrives even in polluted areas, making it useful for soil improvement and greening.

Important Pests and Control Methods
- Diseases: While no particularly serious diseases are known, fungal diseases may occur due to excessive moisture.
- Pests: Leaf-eating insects may appear; in such cases, control them using appropriate insecticides.
- Invasiveness: Regular maintenance is necessary to prevent the spread to surrounding plants. This involves removing stumps or using chemical methods to inhibit further spread.

The Chinese Ailanthus grows quickly but is also highly invasive, making it a plant that requires careful management. With accurate information and proper care, you can create a pleasant garden environment.

Plant Type
Plant Family	Styrax family
Height	20~25m
Spread
Colors	yellow, green
Bloom Period	May~June
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-15°C

white husks
Agrostis gigantea

Leatherwood 'Purple Dragon'
Ailanthus altissima 'Purple Dragon'