Native to Japan and Korea, Yellow Patrinia is an attractive filler for the summer perennial border. Plants form bushy upright clumps of ferny leaves, bearing dill-like umbels of lily-scented bright yellow flowers for weeks on end. The tall stems are excellent for cutting and last well indoors. Flowers are attractive to butterflies. Winterhardy perennial Height 70-150 cm Width 45-60 cm Spacing 40-50 cm (3-5 pc/m2) Flowering time VI-IX Site sunny to half-shade, dry to medium moist soil Propagation seeds, division