In a hot summer, they self-seed like nasturtiums, but most years it is best to gather the seed and sow a few potfuls inside in March.
在炎热的夏季,它们自己的种子像旱金莲,不过大多数年份最好在三月收集种子,栽满几个花盆。
Both female and paternal parents of the new variety of Luxing Chinese cabbage are self-seed from self-cross plants of imported variety with superior quality.