Northwest Blooms · Perennials
Iris sibirica 'Joyce Cole'
Joyce Cole Siberian Iris

- Family
- Iridaceae
- Height
- 24 to 30 inches
- Width
- 12 to 18 inches
- Flower color
- Creamy white standards and falls with green veins blending to yellow-green hafts
- Foliage color
- Dark green, upright, sword-like leaves
- Bloom time
- Late spring to early summer
- Light
- Full sun
- Water
- Moist, well-drained soil
- Maintenance
- Low; remove faded flowers to encourage continuous blooming
- Growing zone
- USDA zones 4 to 9
- Wildlife
- Attracts butterflies
About this plant
Iris sibirica 'Joyce Cole' features creamy white flowers with subtle green veins, providing a soft and elegant addition to any garden. Blooming in late spring to early summer, this Siberian iris offers a refined color palette ideal for borders, water gardens, and cut flower arrangements. The ruffled petals create an appealing visual texture, while the plant's strong stems hold the blooms upright for a lasting floral display.
Originating from the wetlands and meadows of Eurasia, 'Joyce Cole' thrives in moist, well-drained soils and is known for its adaptability to a variety of conditions, from wet to dry. The plant's compact growth habit, combined with its excellent foliage, ensures that it maintains interest even after flowering. This cultivar is particularly appreciated for its resilience and its ability to brighten garden spaces throughout the blooming season.
Works well in
Borders · Sun Gardens · Pollinator Gardens · Rain Gardens
Companion plants
Daylilies · Lavender · Coreopsis · Russian sage · Sedums · Peonies
Design tip
Summer flowers carry the middle of the season, so place it where the bed needs color once spring bulbs fade. Give it open sun and room to fill out, and repeat it in threes or fives so the planting reads as one sweep instead of scattered dots.
Where to see it
This plant can be seen at the Bellevue Botanical Garden.
