Maple leaves usually turn red in a few months? What month leaves? When will new leaves grow? What are the main ornamental varieties?

Maple blossoms from April to May, deciduous from September to October, and usually grows new leaves in March. In autumn, maple leaves gradually change to red or yellow, as well as cyan and purple, which is a famous autumn leaf species. Among the many maples, the main varieties with ornamental value and representative are Acer truncatum, Acer truncatum, Acer davidii, Acer glabra, Acer vulgaris, Acer olive and so on.

1. Acer truncatum

Also known as Pingji maple, 8-10 meters high. Bark gray-brown or dark brown, deeply longitudinally lobed. Branchlets glabrous, current year branches green, perennial branches grayish brown, with rounded lenticels. Winter buds small, ovoid; scales acute, lateral puberulent. Flowering in April and fruiting in August.

Mainly produced in Jilin, Liaoning, Inner Mongolia, Hebei, Shanxi, Shandong, northern Jiangsu (north of Xuzhou), Henan, Shaanxi, Gansu and other provinces. Born in a sparse forest at an altitude of 400-1000 meters.

two。 Acer truncatum

Also known as: chicken claw maple, green maple. The bark is dark gray. Branchlets slender; current year's branches purple or lavender green; perennial branches grayish purple or dark purple. Flowering in May, fruiting in September.

Mainly produced in Shandong, southern Henan, Jiangsu, Zhejiang, Hunan, Hubei, Anhui, Jiangxi, Guizhou and other provinces. Born on the edge of a forest or in a sparse forest at an altitude of 200-1200 meters. It is also distributed in North Korea and Japan.

3. Acer truncatum

Also known as: North China Tea Tiao, 5-6 meters high. Bark rough, longitudinally lobed, gray, sparse dark gray or grayish brown. Branchlets thin, nearly cylindrical, glabrous, current year's branches green or purplish green, perennial branches yellowish or yellowish brown, lenticels oval or nearly round, light white. Winter buds small, light brown, scales 8, villous near margin, overlapping. Flowering in May and fruiting in October.

Mainly produced in Heilongjiang, Jilin, Liaoning, Inner Mongolia, Hebei, Shanxi, Henan, Shaanxi, Gansu. Born in the jungle below 800 meters above sea level. Mongolia, eastern Siberia of the Soviet Union, Korea and Japan are also distributed.

4. Acer davidii

It is 10-20 meters high. Bark ochre-brown, often ovate, papery flakes deciduous. Branchlets cylindrical, current year branches lavender, densely yellowish villous, perennial branches dark purple or dark brown, 2-3 years of branches still pilose. The flowering period is April and the fruiting period is September.

Mainly produced in southwestern Henan, southern Shaanxi, southeastern Gansu, western Hubei and eastern Sichuan. Born in a sparse forest at an altitude of 1500-2000 meters.

5. Jianshi Acer

It is about 10 meters high. The bark is light brown. Branchlets cylindrical, current year's twigs purple-green, pubescent, perennial old branches light brown, glabrous. Winter buds small, scales 2, ovate, brown, valvate. The flowering period is April and the fruiting period is September.

Mainly produced in southern Shanxi, Henan, Shaanxi, Gansu, Jiangsu, Zhejiang, Anhui, Hubei, Hunan, Sichuan, Guizhou. Born in a sparse forest at an altitude of 500-1500 meters. The type specimens were collected from the establishment of Hubei Province.

6. Acer glabra

Also known as long-leaf maple, often 10 meters high, sparse up to 15 meters. Branchlets slender, glabrous; current year's branches green or lavender green; perennial branches light brownish green or dark green. The flowering period is April and the fruiting period is August-September.

Mainly produced in southern Shaanxi, western Hubei, Sichuan, Guizhou and Yunnan. Born in moist streams or valleys at 1000-2000 m above sea level. It is also distributed in Nepal, Sikkim, northern India and Myanmar.

7. Acer truncatum

It is 10-12 meters high. The bark is dark brown and rough. Branchlets Terete, glabrous, current year's branches purplish green, with long oval lenticels, perennial branches grayish black or grayish brown. Winter buds ovoid or ovate-conical, scales numerous, yellowish brown, triangular obtusely pointed, lateral glabrous, margin ciliate. The flowering period is late April and the fruiting period is September.

Mainly produced in southeastern Yunnan. Born in a broad-leaved forest 1000 meters above sea level.

8. Olive maple

It is 5-10 meters high. Bark rough, purplish green or light brown. Branchlets nearly Terete, purple or purple-green, glabrous, current year's branches 1-1.5 mm in diam. The flowering period is late April and the fruiting period is September.

Mainly produced in Zhejiang, southern Anhui and eastern Jiangxi. Born in a sparse forest at an altitude of 200-1000 meters.