Persian buttercup - Mixed varieties A vibrant mixture of Peony shaped flowers, Ranunculus asiaticus comes in a range of bright colours, yellow, orange, red, cream or white and make a really wonderful cut flower. Half hardy, so for best results grow under protection as they don't like a cold damp Spring. Site: Best grown in a tunnel or glasshousePosition: Sun or partial shadeSoils: Moist to dryish, humus-rich soilPlanting Period: September to NovemberFlowering Period: late SpringPlanting: Depth 2" (5cm) Spacing 4” (10 cm)Height: 1ft" (30cm)