| Thumb of Child | Child Cultivar | Cultivar's Parentage |
|---|---|---|
| Daylily (Hemerocallis 'Ice Duchess') | Tundra Bird x Arctic Lace | |
| Daylily (Hemerocallis 'Polar') | Tundra Bird x Arctic Lace | |
| Daylily (Hemerocallis 'Polar Queen') | Tundra Bird x Snowbrooke | |
| Daylily (Hemerocallis 'Winter Garden') | Tundra Bird x Snowbrooke |
