Early white seedless (reference variety)
- Trademark Name: Prime Seedless
- Varietal Denomination: Prime Seedless (commercial name; breeder code not publicly referenced)
- Color: Green to light green
- Taste: Sweet, with a mild Muscat / vanilla note
- Structure: Crisp, pleasant bite
- Berry size: Medium, typically around 18–20 mm
- Productivity: Reliable early producer; widely planted in major table grape regions
- Vigor: Medium to very high (depending on rootstock and site)
- Pruning: Canes and spurs
- Ripening: Very early season; used as a timing reference for newer early varieties
- Resistance: Good performance as an early white seedless under commercial conditions
- Water requirement: Managed within standard early white seedless irrigation programs
- Optimum sugar level: ~16–17° Brix +