Muscadine Grapes
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Collapse ▲Resources for Muscadine Grape Producers
This page is sponsored by the NCDA&CS New and Emerging Crops Program (NCDA&CS Awards No: 2020-1642 & 2021-1550), the North Carolina Wine and Grape Council, and the Southern Region Small Fruits Consortium.
The 2022 Virtual Muscadine School
In the 2022 virtual muscadine school, we covered muscadine production and food safety topics in 16 webinars with experts from across the South.
Watch all webinars for free here.
Muscadine Cultivar Trial in Castle Hayne, NC
Figure 1. A variety of muscadine grapes, harveted from cultivars (September 2021) at the NC State University Horticulture Research Station in Castle Hayne, NC.
Muscadine variety/cultivar trial at the Horticultural Crops Research Station in Castle Hayne NC. The trial has two sections: One 2013 planted sections with mature muscadine cultivars (2013 planting map). And one 2021-2022 planted section with new cultivars and muscadine selections (2021-22 planting map). This trial was established in collaboration with the University of Georgia and the University of Arkansas breeding programs.
Table 1. Harvest data from September 2021. Shown are the total lbs/plant and average berry weight, Brix and pH for a range of processing and fresh-market cultivars.
| Cultivar | lbs/plant | Berry Weight (g) | Brix (TSS) | pH |
| Processing Harvest 2021 | ||||
| Carlos | 15.26 | 7 | 14.4 | 3.21 |
| Noble | 17.7 | 3.99 | 14.65 | 3.45 |
| Doreen | 3 | 4.5 | 16.3 | 3.17 |
| Fresh Market 2021 | ||||
| Darlene | 2.96 | 13.6 | 15.96 | 3.45 |
| Ison | 18.36 | 10.3 | 14.22 | 3.37 |
| Jumbo | 10.57 | 12.16 | 14.6 | 3.71 |
| Pam | 10.4 | 14.75 | 14.32 | 3.62 |
| Supreme | 11.1 | 16.08 | 15.13 | 3.59 |
| Tara | 26.47 | 10.74 | 14 | 3.21 |
| Triumph | 8.74 | 10.71 | 15.4 | 3.45 |
Recent Muscadine Research
- Perkins-Veazie et al. 2022: Low Temperatures affect chemistry of seedless muscadine grapes
- Sims, K., Mitchem, W., Monks, D., Jordan, D., Jennings, K.and Hoffmann, M. 2023. Tolerance of muscadine grape to 2,4-D choline POST-directed. WeedTechnology, 37(1), 89-94
- Freedman, K., Rana, T. and Hoffmann, M. 2022. Phenology based variability of tissue nutrient content in mature muscadine vines (Vitis rotundifolia cv. Carlos). Agriculture, 12(11), 1805
- Rana, T.S., Smith, E.D., Hickey, C. and Hoffmann, M. 2021. Leaf-tissue nutrient dynamics in mature muscadine (Vitis rotundifolia) cultivars ‘Carlos’ and ‘Noble’ in Georgia and North Carolina. HortTechnology DOI:10.21273/HORTTECH04765-20
Recent Presentations (pdf)
- Caring for Backyard Vines
- Muscadine Grapes: The Underdog Grape of America
- Muscadine Cultivar Selection_Production 101
- Current State Seedless Muscadines
- Muscadine 101
- Muscadine Fertiltiy
- General Berry Sampling (Hoffmann)
- Muscadine Grape Sampling (Dr. Renee Threlfall, University of Arkansas)
- Muscadine 101 – Lecture Community College (Hoffmann)
- Muscadine Pruning and Training
Muscadine Grape Production Resources
- Muscadine Grape Production Guide for the Southeast
- Muscadine Grapes in the Home Garden
- Muscadine Grape Integrated Management Guide
- NCDA&CS Agronomic Services for Grape Production
- Popular Muscadine Cultivars in North Carolina
- Propagating Muscadine Grapes
Muscadine Production Notes
- Preventing Chemical Injury
- Fire Ant Management
- Measuring Grape Sugar Content
- Mole & Vole Control
- Where to Begin
Muscadine Dormant Pruning
Every year, we hold between three and four muscadine dormant pruning workshops in the state of North Carolina. Pruning is the most essential care you need to give to a muscadine vine.
Our workshops are usually in January in Eastern NC and in February in Western NC. Each workshop will be announced on the events homepage approximately 3-4 weeks ahead of time.
Pruning and training is best learned in the field in a hands-on workshop. Therfore we highly recommend to join one of our workshops every winter if you want to learn how to prune, train and maintain a muscadine vineyard.
However, additonally to the workshops, we offer a pruning webinar online as well as written advise on how to prune a muscadine vine. Further our YouTube channel features short clips on specific pruning issues.
Muscadine Food Safety
For more information, please visit the NC State Food Safety Portal.