Euphorbia macrophylla

Trillium davidianum, also known as a bead on the top of the head, is native to northern America. Like a cool and humid environment. Afraid of strong light and drought, more resistant to shade. The soil requires deep, fertile rotten leaf soil or acid loam.

Reproduction: commonly used sowing and ramet reproduction. The sowing was carried out in May in spring and germinated about 2 weeks after sowing. Seedlings need to be cultivated for 3 years before they can bloom. Ramet, from September to October in autumn, the underground stout rhizome was selected, cut and planted.

Cultivation: potted soil should be well drained, and water should not be accumulated in the basin, otherwise the roots are easy to rot. Fertilize once every semimonthly during the growing period. Spring flowering, a little shade, can prolong the flowering period and prevent strong light exposure. Watering should be reduced during the dormant period of the rhizome.

Diseases and insect pests: common root rot and leaf spot disease, can be sprayed with 65% Dysen zinc wettable powder 600 times. Insect pests are harmful to aphids and are sprayed with 2000 times of dimethoate EC.

Application: Trillium mandshurica is a small bulb flower. Green leaves, white flowers or safflower, very eye-catching. Often used in shady areas to be embellished with plants or landscapes. In recent years, Europe and the United States are used for potted ornamental decoration of small courtyards and balconies.