Daylily Joan Senior By Cathy On October 25, 2016 In Daylilies, Products By Durio; 1977 Daylily Joan Senior 2 feet tall with 4 ½ inch blooms; zone 4. This very near white variety has a round flower with petals that curl back. Evergreen, diploid but does fine in my Wisconsin garden. $8.00 DayliliesDaylilyHemerocallisPerennialPlantWhite Previous Daylily Jo Barbre Next Daylily Katherine Harris