Wisconsin is the leading producer of cranberries, and researchers at UW-Madison are continually developing new varieties with improved traits such as high yield, hail tolerance, color uniformity and more.
If you’re interested in Sundance™ or Ruby Star cranberries, you can obtain a license from WARF and purchase vines from Cranberry Creek Cranberries Inc. or Dempze Cranberry Co.
Available varieties:
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Sweetie (available spring 2025) |
Big Red (available spring 2025) |
UW-Madison’s cranberry pipeline
| Sundance | Ruby Star | Sweetie (V11) | Big Red (V07) | ||||
| HARVEST | Mid-season | Very early/early Quick cycle from fruit – rebud |
Early to mid-season | Early to mid-season (between Sundance and Ruby Star | |||
| FRUIT QUALITY | Good color uniformity Large/very large berries Extremely high quality SDCs |
Good consistency Excellent fruit color Mid/large berry Mild flavor Good internal structure |
Mild, sweeter flavor Mid-size berry Round shape Ideal for fresh fruit |
Large, oblong fruit Thick berry wall High color uniformity |
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| YIELD | Berries size up early High bud and rebud set Hail tolerance |
Extremely high bud and rebud set Heavy bloom and high fruit set |
Heavy bloom Very high fruit set |
Excellent bud & rebud set High yields |