This bulb should be planted in the Spring. Due to the seasonality of bulbs, items are not always in stock. Call for availability. A favorite flower of florists with beautiful rose-like blossoms that are packed with jewel colored petals. Persian Buttercups are easy to grow in moist well-drained soil in full sun to partial shade. Soak the bulbs for 2 hours in lukewarm water before planting to add moisture back to the bulb; this helps to jump start rooting. Blooms late spring to early summer, 12-16 inches.