Yubae Bishop's Cap (Epimedium grandiflorum 'Yubae')
ep-ih-MEE-dee-um gran-dih-FLOOR-um 'Yubae'

Deciduous Perennial in the Berberidaceae Family
Epimedium grandiflorum, the longspur barrenwort, is native to woodlands in Japan, Korea, and China and is one of the most cold-hardy and widely grown species in the genus -- it's also the parent of many of the Epimedium cultivars sold today. New foliage emerges with a coppery flush in spring before maturing to medium green for summer and taking on a bronze cast in fall. In mid spring, wiry stems carry showy, long-spurred flowers that range from white and pink to rose, violet, and deep purple depending on the individual plant or selection. It spreads slowly by underground stems to form a well-controlled groundcover, more restrained than many other colonizing shade plants, and tolerates dry shade once established.

Pros

  • Exceptionally cold-hardy for the genus
  • Showy, long-spurred flowers in a wide range of colors
  • Coppery spring foliage with good bronze fall color
  • Deer-resistant and tolerant of black walnut toxicity

Cons

  • Foliage can burn in too much sun
  • Slow to moderate growth means it takes a few seasons to fill in
  • Occasionally affected by tobacco rattle virus
 

Plant Data

Mature Size 9 - 18 inches tall. 12 - 24 inches wide.
Sun Exposure Full Shade - Partial Shade
Moisture Tolerance - Medium
Zones 5a - 8b (Usually hardy to -20° F)
Tags Deciduous, Full Shade, Medium, Partial Shade, Perennial
Bloom Period April to May

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Pricing and Availability History

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Field-Grown vs. Greenhouse-Grown Plants

Plants which are well-adapted to our local climate are most often field-grown (outside). Field-grown plants are generally cheaper and have the advantage of already somewhat acclimated to our cold winters, but that means they’re not artificially far along in the spring and tend to bloom at the normal time in our area.

Spring annuals and tender perennials are typically grown in Greenhouses so they can be ready and luxurious exactly when customers want them. Some perennials are also “forced” into early bloom in greenhouses. In May, there can be a very big difference between field-grown and greenhouse-grown plants of the same type. The latter typically look good right away (so they’re a great choice where that’s important), but we typically pay a premium for it.


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No Pricing or Availability Right Now

We order from a rotating cast of the best nurseries in the Great Lakes region. It looks like we've offered this plant in the past, but the nurseries we're working with this week don't appear to have it in stock at the moment.

Our goal is to bring as many plants together under "one roof" as possible, so we'll try hard to make it available again in the future!