| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Frances Williams' | Large | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July to August | Williams, Frances & Williams, Connie | .1986 |
| 'Frances Williams Squash Edge' | Large | Blue/Green | Marginal | Yellow | Sport | Near-White | June to July | Williams, Frances & Williams, Connie | --NR-- |
| 'Green Ripples' (Williams) | Large | Med-Green | | | Hybrid | Near-White | June to July | Williams, Frances & Williams, Connie | .1986 |
| 'Lavender Lady' | Small | Med-Green | | | Hybrid | Pale-Lavender | August | Williams, Frances & Williams, Connie | .1986 |
| 'Louisa' | Small | Light-Green | Marginal | White | Hybrid | Pure-White | August | Williams, Frances & Williams, Connie | .1986 |
| 'Purple Profusion' | Medium | Med-Green | | | Hybrid | Deep-Purple | August to September to October | Williams, Frances & Williams, Connie | .1986 |
| 'Sentinels' | Medium | Med-Green | | | Hybrid | Light-Purple | August | Williams, Frances & Williams, Connie | .1986 |
| 'Sweet Susan' | Large | Med-Green | | | Hybrid | Pale-Lavender | August | Williams, Frances & Williams, Connie | .1986 |
| 'Tinker Bell' | Small | Med-Green | | | Hybrid | Near-White | August to September to October | Williams, Frances & Williams, Connie | .1986 |