Alphabetical Plant Listing

Iris sibirica 'Shirley Pope' (Siberian Iris)

Siberian Iris 'Shirley Pope', Siberian Flag 'Shirley Pope'


Always a popular favorite, Iris sibirica 'Shirley Pope' (Siberian Iris) is a clump-forming perennial with wonderfully dark, velvety flowers in late spring to early summer. Each blossom features large, flared, deep violet-blue petals adorned with a prominent white signal veined with purple at the base of each fall. They open up from large buds, almost as beautiful as the flowers. After blooming, the grass-like foliage, consisting of sturdy clumps of upright blue-green, narrow and fairly rigid, blade-shaped leaves, is also one of its most attractive garden features. Unlike some other varieties, the foliage stands up straight and is not as prone to the stems collapsing and requiring propping. Spectacular when planted in groups.

  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society for its outstanding qualities.
  • Grows up to 24-30 in. tall (60-75 cm) and 18-24 in. wide (45-60 cm).
  • Performs best in full sun or part shade, in average, medium to wet soils. Shade is tolerated, but the flowering performance may be altered. While this lovely iris enjoys a wide range of soils, slightly acidic soil is where this plant will thrive. Drought tolerant, even though this iris prefers adequate moisture.
  • Among the most trouble-free and low maintenance plants in the garden, Siberian Irises are deer resistant.
  • A welcomed addition to beds and borders or near streams or ponds, where it provides excellent color contrast.
  • The best time to plant Siberian Irises is spring or late summer.
  • Propagate by division of rhizomes from midsummer to early fall
  • Ingestion may cause severe discomfort.

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Requirements

Hardiness 3 – 8
Heat Zones 1 – 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Plant Type Perennials
Plant Family Iris Sibirica - Siberian Irises
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early)
Height 2' – 3' (60cm – 90cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Cut Flowers, Plant of Merit, Showy
Tolerance Clay Soil, Deer, Drought, Rabbit, Wet Soil
Attracts Butterflies
Garden Uses Beds and Borders, Ponds and Streams
Garden Styles City and Courtyard, Coastal Garden, Informal and Cottage

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By Todd Boland, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 3 – 8
Heat Zones 1 – 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Plant Type Perennials
Plant Family Iris Sibirica - Siberian Irises
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early)
Height 2' – 3' (60cm – 90cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Cut Flowers, Plant of Merit, Showy
Tolerance Clay Soil, Deer, Drought, Rabbit, Wet Soil
Attracts Butterflies
Garden Uses Beds and Borders, Ponds and Streams
Garden Styles City and Courtyard, Coastal Garden, Informal and Cottage

Great Plant Combination Ideas with Iris Sibirica - Siberian Irises

Guides with Iris Sibirica - Siberian Irises

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