There’s something quietly theatrical about the moment a Lavender Cup Tree Peony opens — each bloom a soft wash of lavender-purple, nearly 7 inches across, with petals that seem lit from within.
This Rockii hybrid arrives as a dormant bareroot plant, 2–3 years old with 2–3 established branches. You’ll receive it at 10–25 inches; by spring it reaches around 3 feet, rewarding your patience with flowers that stop people mid-conversation.
Plant it in partial shade with fertile, well-drained soil — neutral to slightly alkaline works best. Water moderately during establishment, keeping soil evenly moist but never soggy. In colder winters, a light layer of mulch offers easy insurance. Fully hardy in USDA zones 4–9, this is a deciduous woody peony built to thrive in Pacific Northwest gardens.
🍂 Shipping & planting window
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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