Alphabetical Plant Listing

Epimedium × versicolor 'Sulphureum' (Barrenwort)

Barrenwort 'Sulphureum', Epimedium macranthum 'Sulphureum', Epimedium sulphureum, Epimedium × youngianum 'Sulphureum', Bishop's Hat 'Sulphureum', Bishop's Mitre 'Sulphureum', Fairy Wings 'Sulphureum'


One of the best cultivars available, Epimedium × versicolor 'Sulphureum' (Barrenwort) is a low-growing semi-evergreen perennial with heart-shaped, pointed leaves that emerge red-flushed in spring, mature to pale green and turn reddish in fall. In mid to late spring, clouds of two-tone primrose-yellow flowers, 1 in. across (2 cm), are carried in open sprays on wiry stems above the foliage mound. Round and large, the creamy sepals cover the butter yellow flowers adorned with short spurs. Evergreen in mild winter climates, this plant is long-lived and very sturdy. Excellent groundcover for many landscape situations including dry sites.

  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society.
  • Grows up to 9-12 in. tall (22-30 cm) and 9-18 in. wide (22-45 cm). Rhizomatous perennial which spreads faster than most other epimediums.
  • Performs best in part shade to full shade in average, dry to medium moisture, well-drained soils. Humus-rich, fertile, moist soils in part shade are preferred. Drought tolerant once established. Protect from cold, dry winds.
  • No serious pest and disease problems. Watch for vine weevils. Rabbit and deer tolerant.
  • Easy to grow, this plant is a welcomed addition to beds and borders, rock gardens, shade gardens. Excellent as a groundcover.
  • Propagate by division in fall or after flowering.
  • Old leaves should be pruned to the ground in late winter to show the flowers to best effect.

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Requirements

Hardiness 5 – 9
Heat Zones 4 – 9
Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Plant Type Perennials
Plant Family Epimedium - Barrenworts
Exposure Partial Sun, Shade
Season of Interest Spring (Mid,Late)
Summer (Early,Mid,Late)
Fall
Height 9" – 1' (22cm – 30cm)
Spread 9" – 2' (22cm – 60cm)
Spacing 18" (45cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Plant of Merit, Showy, Semi-Evergreen
Tolerance Deer, Drought, Rabbit, Dry Soil, Rocky Soil
Garden Uses Banks and Slopes, Beds and Borders, Ground Covers, Underplanting Roses and Shrubs
Garden Styles Gravel and Rock Garden

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Fotoflor, Flowermedia, Maja Dumat (Flickr)

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 5 – 9
Heat Zones 4 – 9
Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Plant Type Perennials
Plant Family Epimedium - Barrenworts
Exposure Partial Sun, Shade
Season of Interest Spring (Mid,Late)
Summer (Early,Mid,Late)
Fall
Height 9" – 1' (22cm – 30cm)
Spread 9" – 2' (22cm – 60cm)
Spacing 18" (45cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Plant of Merit, Showy, Semi-Evergreen
Tolerance Deer, Drought, Rabbit, Dry Soil, Rocky Soil
Garden Uses Banks and Slopes, Beds and Borders, Ground Covers, Underplanting Roses and Shrubs
Garden Styles Gravel and Rock Garden

Great Plant Combination Ideas with Epimedium - Barrenworts

Guides with Epimedium - Barrenworts

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