Scarification: Soak in hot tap water, let stand in water for 24 hours, repeat process on seed that did not imbibe
Stratification: cold stratify for 60 days
Germination: sow seed 1/4" deep, tamp the soil, keep moist, mulch the seed bed, remove mulch upon germination
Other: fall sowing in mulched beds is prefered to artificial stratification
In a Nutshell:
* Trees, 6-20 m tall. Trunk to 30 cm d.b.h. or more. Bark and branchlets grayish black. Petiole 2-4.5 cm, leaf blade often purplish red when young, greenish when mature, cordate or triangular-orbicular,
* Open or dense forests, mountain slopes, along valleys near roads, on rocks, 600-1900 m. Anhui, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Shaanxi, Sichuan, Yunnan, Zhejiang. more...