Bartzella Itoh Peony (Paeonia ‘Bartzella’)
Large Yellow Blooms with Hybrid Strength & Exceptional Garden Performance
🌿 Plant Overview
Common Name: Bartzella Itoh Peony
Botanical Name: Paeonia ‘Bartzella’
Plant Type: Herbaceous Perennial (Itoh Hybrid)
Family: Paeoniaceae
Hardiness Zones: 3–8
Native Range: Hybrid (cross between tree and herbaceous peonies)
📊 Key Characteristics
Height: 30–32 inches
Spread: 30–36 inches
Bloom Time: Mid to late spring (April–May)
Flower Color: Bright yellow
Foliage: Deep green, finely divided
Growth Habit: Upright, mounding
☀️ Growing Conditions
Sun Exposure: Full sun to part shade
Water Needs: Medium (consistent moisture preferred)
Soil: Rich, well-drained
Maintenance Level: Low
Itoh peonies thrive in well-drained, fertile soils and benefit from winter chill for proper bud formation.
🌸 Garden Features
✔️ Large, showy double blooms
✔️ Up to 50 flowers per plant
✔️ Light fragrance
✔️ Excellent cut flower
✔️ Attracts pollinators
✔️ Deer resistant
✔️ Strong stems (no staking needed)
✂️ Care & Maintenance
Water regularly during establishment. Remove spent blooms to maintain appearance. Cut foliage back in fall after frost. Apply compost annually to support vigorous growth.
🌼 Landscape Uses
Borders, cottage gardens, foundation plantings, cutting gardens, mass plantings, containers
🌿 19 Birch Lane Insight
‘Bartzella’ delivers a bold yet elegant presence—its luminous yellow blooms creating a focal point that feels both refined and unforgettable in the spring garden.
🌱 Noteworthy Characteristics
An Itoh (intersectional) hybrid, ‘Bartzella’ combines the large flowers of tree peonies with the durability of herbaceous varieties. Known for its prolific blooming, strong stems, and vibrant color, it offers both beauty and reliability. Its lush foliage remains attractive long after flowering, adding lasting structure to the garden.
⚠️ Problems
Generally trouble-free. Ensure good drainage to prevent root issues. Requires winter chill to bloom properly.
Bartzella Itoh Peony (Paeonia ‘Bartzella’)
Large Yellow Blooms with Hybrid Strength & Exceptional Garden Performance