5 CHINESE MEADOW RUE Yunnan Thalictrum Dipterocarpum syn. Delavayi Pink & Yellow Flower Seeds *Comb S/H BLOOM TIME: Mid Spring HARDINESS ZONE: 5 - 8 PLANT HEIGHT: 24 - 36" . . . PLANT SPACING: 18 - 24" LIGHT REQUIREMENTS: Sun - Part Shade . . . SOIL / WATER: Average - Dry Attracts birds, bees, and lots of butterflies! The seeds are poisonous if they are ingested.