There’s something quietly thrilling about planting a peony you know will still be blooming decades from now. Sweet Sixteen arrives bare root and dormant, ready to settle into your garden and build toward something lasting. Its large, soft-toned blossoms open in late spring to early summer, carrying that familiar sweet peony fragrance — and the blooms only improve with age as the clump matures.
Give it full sun to part sun in fertile, well-drained soil, and plant the eyes no more than one to two inches below the surface. Sweet Sixteen grows to a tidy 24–36 inches tall and wide, making it a natural anchor for a mixed border or a generous cut-flower garden. Hardy in USDA Zones 3–8. Cut back to the ground after frost in fall.
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Peonies ship in fall (September–November) when fully dormant and bare root.
Fall planting gives roots a full season to establish in warm soil before winter. Cold stratification triggers strong, healthy spring growth and reliable bloom production. Spring-shipped peonies experience root damage during active growth, transplant shock during their bloom cycle, and often lose an entire growing season.
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