Nymphaea ‘Queen Sirikit’ Regal Beauty by Pairat Songpanich | The Queen of the Pond A true jewel among hardy ISG hybrids, ‘Queen Sirikit’ was created by world-renowned hybridizer Mr. Pairat Songpanich of Thailand. This elegant lily produces cup-shaped purple flowers, and on rare occasions, may surprise you with a blue bloom—a royal variation befitting its name. With a medium-sized growth habit, Queen Sirikit brings refined color and graceful form to ponds and containers alike. Growing Information: Type: Hardy ISG Flower: Cup-shaped purple (occasional blue) Size: Medium Container: 12" circular pot, planted in the center Growth Spread: 5 feet Sun Requirements: Full sun, at least 6 hours daily Planting Depth: 6"–18" (if you'd like to add a range) USDA Zones: 6–10 (if applicable)is a federal holiday then orders will ship on Tuesday.