Peony Itoh 'Bartzella'
Peony Itoh 'Bartzella' is a standout intersectional peony prized for its large soft yellow blooms and strong upright habit. The semi to fully double flowers appear in late spring to early summer with a light fragrance and are held above deep green foliage that remains attractive throughout the season. Its sturdy stems and long lasting flowers make it a reliable focal point in sunny garden beds.
Height & Spread: 30 - 36 in x 30 - 36 in
Bloom Time: Late spring to early summer
Light Requirements: Full sun
Soil Preference: Rich well drained soil
Watering Needs: Moderate; prefers consistent moisture
Deer Resistance: Deer resistant
Native Status
This Itoh peony is a hybrid developed from crossing herbaceous and tree peonies and is not native to North America but is valued for its improved strength, bloom size, and garden performance.
WILDLIFE & INSECTS
Bees
- Attracts native bees and bumblebees which visit the large blooms for pollen during its bloom period.
Butterflies
- Occasionally visited by butterflies seeking nectar from the open portions of the flowers.
Spacing & Landscape Use
Spacing Recommendations
- Space 30 - 36 in apart to allow for its broad mounding habit and airflow between plants.
Landscape Placement
- Best used as a focal point in perennial borders and foundation plantings where its large blooms and strong structure can stand out.
Companion Plants
- Baptisia australis (False Indigo) - Provides upright structure and deep blue flowers that contrast with the soft yellow blooms.
- Salvia nemorosa 'Caradonna' (Meadow Sage) - Adds vertical spikes and early summer color that pairs well with peony bloom time.
- Allium 'Globemaster' (Ornamental Onion) - Introduces bold spherical flowers that complement the rounded peony blooms.
- Nepeta faassenii 'Walker's Low' (Catmint) - Offers a soft flowing texture and extended bloom that surrounds the base of the plant.
- Iris germanica (Bearded Iris) - Brings strong vertical form and early season color in similar growing conditions.