You’re looking at one of the most dramatic tree peonies in cultivation — Ruby Heart (Ji Xue Shi) opens into enormous 6.3-inch blooms that hold you in place: luminous white petals surrounding a deep crimson heart, like snow lit from within.
This Rockii tree peony arrives as a dormant bareroot plant, 2–3 years old with 2–3 established branches and standing 10–25 inches at shipping. Come spring, expect growth to reach around 3 feet as it settles into your garden.
Plant it in fertile, well-drained soil with a neutral to slightly alkaline pH, in partial shade, and water moderately during establishment — consistently moist but never waterlogged. Ruby Heart is reliably cold-hardy through USDA zones 4–9; a light mulch protects roots in colder winters. Avoid wet soil in winter above all else.
Tree peonies ship dormant and bareroot each fall, September through November — the only window that gives roots time to anchor before spring.
🍂 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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