About Blanc Double de Coubert Potted Rose Bush

Rosa ‘Blanc Double de Coubert’ (Hybrid Rugosa) — Blanc Double de Coubert

The Blanc Double de Coubert Potted Rose Bush is a classic, rugged shrub rose that brings elegant, pure-white semi-double blooms paired with rugged performance. Built for tough conditions, it’s a workhorse with refined flowers and serious resilience.

💐 Plant & Flower Traits
🌹 Rose Type: Hybrid Rugosa shrub rose
🧬 Breeder: Cochet-Cochet (France, 1892)
🏢 Introduced: France (1893)
🎨 Color: Pure white blooms
🌸 Petal Count: ~10–20 petals (semi-double)
💠 Bloom Form: Large (≈3-4″) semi-double flowers in generous flushes
📏 Bloom Size: ~3–4″ (approx.)
🔁 Flowering: Primary flush from late spring, then repeat into fall
🧴 Fragrance: Strong and characteristic — bold old-rose / rugosa scent
🏺 Vase Life: Very good — elegant, durable blooms suitable for casual cut sprays

🏡 Growth & Garden Habits
🌿 Growth Type: Upright, arching shrub with rugged habit
☀️ Light Requirements: Full sun to part shade
❄️ Hardiness Zones: USDA Zones ~4–9
📐 Spacing: ~3′ apart (allowing mature size)
↕️ Height: ~4–7′
↔️ Width: ~3–5′

🛡️ Health & Suitability
💪 Disease Resistance: Excellent — rugged rugosa genetics provide strong foliage health and resilience
🌞 Heat & Cool Adaptation: Performs across extremes — cold hardy, salt tolerant, wind tolerant
🌎 Regional Recommendations:
West Coast • Midwest • Northeast • Coastal sites • Harsh-condition gardens