Virtues: We love Agapanthus ‘Summer Skies’ for the striking clusters of striped blue flowers and its ability to withstand winter as far north as USDA Zone 6.
Common name: ‘Summer Skies’ agapanthus, lily-of-the-Nile or African lily
Botanical name: Agapanthus x’Summer Skies’
Flowers: Throughout midsummer into early fall, rounded bundles of star-shaped, pale blue flowers streaked with deeper blue veins bloom vigorously on strong, soaring stalks.
Foliage: Deciduous basal foliage with lengthy deep green, slender leaves that create a striking backdrop for the tall blooms.
Habit: An evergreen or deciduous perennial, ‘Summer Skies’ agapanthus reaches 2 to 3 feet in height and 2 feet wide.
Season: Midsummer through early fall, for flowers. In mild regions, its foliage can persist year-round.
Origin: Selected by Steve Hottovy of Beyond Green, LLC in Canby OR, from a strain of Headborne Hybrids developed in England; later introduced by Briggs Plant Propagators located in Elma WA.
How to grow Agapanthus ‘Summer Skies’: These butterfly-attracting plants thrive when planted in well-drained soil. They are most successful in full sun with regular watering. They are easy to grow whether planted in the ground or in containers. If potting, plant several to a pot and allow them to become crowded and rootbound; this encourages them to bloom. Hardy in USDA Zones 6–10; possibly Zone 5 with protection.
Image courtesy Briggs Nursery
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