Siberian tea
Also known as
Leatherleaf bergenia, Elephant's ears, Badan, Mongolian tea, Heartleaf bergenia
Keep this plant’s care guide close at hand.
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Bergenia crassifolia is a rugged, evergreen perennial prized for its glossy, leathery, paddle-shaped leaves that form tidy clumps and turn rich burgundy in cold weather. In late winter to spring, stout stems carry panicles of nodding, bell-shaped flowers in shades of pink to magenta (occasionally white), offering early nectar for pollinators. Typically 12–18 inches tall and 18–24 inches wide, it is excellent as a groundcover, edging plant, or for softening rock gardens and paths. Native to cold, continental regions of Central and Northeast Asia, it thrives in cool summers and withstands severe winter cold. Its thick rhizomes lend drought resistance once established, while moderate shade preserves leaf quality in hot climates. Long cultivated in temperate gardens, the species is also known for traditional use of its fermented leaves as a tea. Low maintenance, deer-resistant, and long-lived, it performs best in humus-rich, well-drained soil with consistent moisture but good drainage.
Taxonomy
Properties & Requirements
How to care for Siberian tea
Water
Keep evenly moist during the first growing season to establish deep roots, watering deeply and allowing the top 1–2 inches of soil to dry between waterings. Once established, Bergenia crassifolia is moderately drought tolerant but flowers and foliage look best with consistent moisture. Avoid waterlogged conditions—good drainage is essential. Apply 2–3 inches of organic mulch to stabilize soil moisture. In containers, water when the top inch is dry and ensure free drainage; reduce watering during winter dormancy.
Light
Full sun to partial shade. In cool or maritime climates, near-full sun promotes compact growth and maximum bloom. In hotter inland areas, aim for morning sun with dappled or afternoon shade to prevent leaf scorch and maintain foliage quality. Very deep shade reduces flowering and can cause lanky growth. Reflective winter light is not a problem, but in hot summers, avoid reflected heat from walls or paving that can overheat the crown.
Nutrients
Bergenia crassifolia is a light feeder. Work in compost or leaf mold around the clumps each spring to refresh nutrients and improve moisture retention. In average garden soil, a single early-spring application of a balanced, slow‑release fertilizer (e.g., 5‑10‑5 or 10‑10‑10) at half the label rate is sufficient. Avoid high nitrogen, which can produce soft, scorch-prone leaves. Container-grown plants benefit from a dilute, balanced liquid feed monthly during active growth; flush pots occasionally to prevent salt buildup.
Temperature
Exceptionally hardy, typically to USDA Zones 3–8, tolerating winter lows near −35°C (−31°F). It prefers cool to moderate summers; prolonged heat above about 29°C (85°F) can stress plants and diminish flowering, so provide afternoon shade and reliable moisture in hot climates. Evergreen leaves may scorch in drying winter winds; benefit from wind protection and snow cover. Spring freezes rarely damage the plant, though emerging flower buds can be nipped by late hard frosts.
