There’s something quietly theatrical about a tree peony that blooms in deep lavender-violet — and Lavender Crown (Bao Shi Lan) delivers exactly that, with large, ruffled flowers that carry a soft, sweet fragrance on spring mornings.
This Rockii tree peony arrives as a dormant bareroot plant, 2–3 years old with 2–3 branches, typically 10–25 inches at shipping. Come spring, expect new growth to bring plants to around 3 feet tall. Plant in fertile, well-drained soil with a neutral to slightly alkaline pH, in a spot with partial shade and protection from harsh afternoon sun. Water moderately during establishment — evenly moist, never soggy. Hardy in USDA zones 4–9, it overwinters easily; a light mulch helps in colder climates, and good drainage is essential.
🍂 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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