Buckwheat flowering period for August to September, up to about January, 25 days after the emergence of the first flowers, the same flowers open 2025 days after maturity.

Buckwheat (Buckwheat), alias: sweet buckwheat, buckwheat, triticale, buckwheat, buckwheat, Latin name: Fagopyrum esculentum Moench. polygonum, buckwheat annual herbs. Erect stems, the main nectar plant in the fall. Buckwheat is a plant to raise the seeds of wheat, cultivated in China, the main common buckwheat and tartar buckwheat two kinds of buckwheat, the former known as sweet buckwheat, the latter known as buckwheat, buckwheat because the seeds of buckwheat contain rutin, so also known as rutin West Buckwheat. Anciently known as Avena sativa in the 5th century BC, some minorities called "forehead". Polygonaceae. Annual herbs, 40-100 cm tall. Stem erect, multi-branched, light green or reddish brown. Leaves alternate, lower leaves long-stalked, upper leaves subsessile or clasping. Leaf blade subtriangular, entire. Inflorescences racemose or paniculate, terminal or axillary, flowers white or pink. Achenes, ovate, with three acute ribs.