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Key characteristics

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

Perennials

Iris sibirica 'Joyce Cole'

Joyce Cole Siberian Iris

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.

Light

Full sun

Water

Moist, well-drained soil

Bloom time

Late spring to early summer

Find this plant

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.