Descriptions: Annual herb, stem and leaf are sweet, white colour, Fewer pests and diseases,suitable for family cultivate,parterre and border cultivated. flowering at June to Sep. Full ventilated environment Fertile well drained soil.seed propagation.good smell and edible,With seafood can remove the smell. sunny and warm, Well ventilated environment Fertile well drained soil.seed propagation.good smell and edible,With seafood can remove the smell.