Crown imperial Fritillaria imperialis Fritillaria imperialis 'Rubra Maxima'Photo/Illustration: Courtesy of White Flower Farm 1 2 3 4 5 6 7 8 9 10 11 Crown imperial (Fritillaria imperialis) Genus: Fritillaria This species draws much attention with its striking gaiety of color and form. Its large, bell-shaped flowers in shades of orange, yellow, and red dangle from tufts of shiny green leaf bracts. Sitting atop sturdy, 3-foot stalks, the flowers make a surprising and regal statement in the late spring garden. Care: These bulbous perennials needs fertile, well-drained soil in full sun. Plant at four times their own depth. The hollow-centered bulbs do best planted on their sides and surrounded with sharp sand. Propagation: Sow seed in a cold frame in fall, provide winter cold treatment, and then move to cool greenhouse. Divide offsets in late summer. Problems: Rust, leaf spot. Overview Height 1 ft. to 3 ft. Spread 6 in. to 12 in. Growth Habit Clumps Growth Pace Moderate Grower Light Full Sun Only Moisture Medium Moisture Maintenance Moderate Characteristics Showy Flowers Bloom Time Spring Flower Color Orange, Red, Salmon, Yellow Uses Beds and Borders, Container, Cut Flower, Specimen Plant/Focal Point Style Cottage Garden Seasonal Interest Spring Interest Type Perennials Fritillaria imperialisView the discussion thread.