A diploid with a midseason bloom, this spider daylily's blooms measure nine inches across on 30-inch scapes. Almost all spider daylilies are diploids. This one is called 'Guinea Jubilee'. Red Volunteer', a tetraploid, has seven-inch flowers in midseason. Mount Helena' shows off its double flowers atop 20-inch scapes.
Most double flowers are diploids.
While many daylilies produce four to six fans per year, 'Swedish Girl' yields only two to three. Day of the Lily By Marie Hofer HGTV Ideas magazine Daylilies have earned their day in the sun. In gardens of old, nearly every yard had a clump of daylilies. Today, thanks to years of hybridizing, there are more than 35,000 daylily cultivars. They're spectacular and dependable, blooming year after year.