The height of toxic water dropwort is usually between 70- 100cm, while the height of edible water dropwort is usually between 15-80cm. The poisonous cress flower is terminal and the plant has an unpleasant smell. Non-toxic cress plants have no obvious taste and are widely distributed in Guangdong, Zhejiang and other regions, while toxic cress is mostly distributed in Jilin, Liaoning and Hebei.

Introduction of cress

Oenanthe javanica is produced in China, India, Myanmar, Viet Nam, Malaysia, Indonesia and the Philippines and other Asian countries. It can be eaten as a vegetable, tastes delicious and is deeply loved by consumers.

Oenanthe javanica likes moist and fertile soil, and has strong waterlogging resistance and cold resistance. Suitable for growth at 15~20℃ and low temperature below 0℃. Generally born in low wetlands, shallow swamps, river banks, or paddy fields.

Weeds should be removed in time at the early growth stage of Oenanthe javanica, which can be buried in the ground and returned to the field for green manure. Top dressing can be applied 3~4 times during the growth period, and the water in the field should be drained before 1 day.