There’s something quietly magnificent about a tree peony that opens blossoms the size of a small plate — and Crimson Summit delivers exactly that. Each semi-double bloom unfurls to a generous 6.7 inches across, its petals catching the light in layers of deep crimson.
You’ll receive a dormant bareroot plant, 2–3 years old with 2–3 established branches, arriving 10–25 inches tall. Plant it in fertile, well-drained soil with a neutral to slightly alkaline pH, in partial shade with protection from harsh afternoon sun. Water moderately during establishment — consistently moist, never waterlogged. In colder climates, a light layer of mulch after planting is all the winter protection this remarkably hardy deciduous shrub typically needs. Expect plants to reach around 3 feet tall with their first spring flush of growth. Hardy in USDA zones 4–9.
Rockii tree peonies are among the longest-lived flowering shrubs you can grow — some thrive for generations. Fall bareroot planting (September–November) gives roots time to settle before winter, setting the stage for reliable spring blooms. Local pickup available upon request.
🍂 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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