There’s something quietly theatrical about a bloom that whispers rather than shouts. Whispering Silk (Su Sha Chan Yi) is a Rockii tree peony with the kind of presence that stops you mid-step — those enormous 7.5-inch flowers unfurl in layers of delicate, silk-like petals that live up to every syllable of their name.
You’ll receive a dormant bareroot plant, 2–3 years old with 2–3 established branches, arriving 10–25 inches tall. Come spring, expect growth to around three feet as the plant settles into your garden. Hardy through USDA zones 4–9, it thrives in partial shade with moderate, even moisture during establishment — never soggy, never bone dry. Give it fertile, well-drained soil with a neutral to slightly alkaline pH, and it will reward you for decades.
🍂 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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