Pandora Shirley Poppy is a spring-to-summer bloomer that brings the delicate, papery-petaled charm of classic poppies to the garden. This cultivar of Papaver rhoeas reaches 18-24 inches tall and flowers reliably from seed within about 98 days, offering gardeners a fast route from sowing to a garden full of color. Deer leave it alone, and pollinators love it, making it a genuine asset to any sunny border or cutting garden.
8
Full Sun
Moderate
2-11
24in H x 8in W
—
High
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These are true cottage garden poppies with the ethereal quality that made Shirley poppies famous, blooming prolifically from spring through summer in full sun. The plants stay compact and tidy at 18-24 inches, yet produce enough flowers to fill a vase or naturalize across a bed. Best of all, they're refreshingly easy to grow from seed sown directly in spring or autumn, germinating in just 5-14 days when given light and cool conditions.
Pandora Shirley Poppies are grown primarily for their flowers. They excel as cut flowers, bringing that characteristic papery elegance to arrangements, and are equally striking naturalized in borders, scattered through cottage gardens, or massed in dedicated poppy beds. Their airy growth habit and prolific bloom make them popular for creating drifts of color in spring and early summer displays.
No timeline data available yet for this variety.
Sow seeds in pots 6-8 weeks before your last spring frost. Surface sow or cover lightly with vermiculite and maintain a humidity dome at 65-70°F until germination occurs, typically within 5-14 days. Once sprouted, drop the temperature to 50-60°F. Handle seedlings with exceptional care when transplanting, as poppies are sensitive to root disturbance.
Transplant hardened-off seedlings outdoors after the last frost date once soil has warmed. Space plants 8 inches apart. Poppies tolerate light transplanting but strongly prefer direct sowing, so minimize handling if possible.
Direct sow seeds outdoors 4 weeks before your last spring frost for spring blooming, or in late autumn in zones 8 and warmer. Mix seeds with fine sand and scatter thinly over prepared soil. Seeds require light to germinate, so do not bury them; simply press gently into contact with the soil surface.
Cut poppy flowers for arrangements in the early morning when buds just begin to open. Flowers last longest when harvested at this stage. For seed collection, allow flowers to fade naturally on the plant; seed pods will mature and dry throughout summer. Once pods turn brown and papery, cut them and allow them to dry further indoors before harvesting seed.
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“The Shirley Poppy group itself has deep roots in gardening history, originating in the 19th century when English vicar William Wilkes selected for finer colors and petal forms from wild Papaver rhoeas growing in his Oxfordshire garden. His work transformed the common corn poppy into a palette of cultivars prized for cutting and display. Pandora carries forward this legacy as a modern cultivar within that cherished Shirley line.”