Luan tree grows in calcium-based soil produced by limestone weathering and is cold-resistant. In China, it is only distributed in the lower reaches of the Yellow River basin and the Yangtze River basin, and it is rare in the north of the Haihe River basin, and it cannot grow in silicon-based acidic red soil areas.
Luan tree germinates late in spring and leaves early in autumn, so the annual growth period is short and slow. Wood can only be used to make small household appliances, and seeds can be squeezed into industrial oil.
Luan tree is a light-loving, slightly shade-tolerant plant; Cold tolerance; However, it is not tolerant to waterlogging, pays attention to the land when planting, is drought-resistant and barren, has strong adaptability to the environment, likes to grow in calcareous soil, and is resistant to saline-alkali and short-term waterlogging.
Luan tree has deep roots, strong tillering ability, moderate growth rate, slow growth of young trees, and then gradually becomes faster and stronger tobacco resistance. There are many plants in the Central Plains, especially in Xuchang Yanling.
Strong wind resistance, can resist the low temperature of MINUS 25℃, and has strong resistance to dust, sulfur dioxide and ozone. Most of them are distributed in low mountains and plains below1500m above sea level, and the highest altitude can reach 2600m.