| Rating | Plant | Thumbnail |
| Daylily 'Zac'
Hemerocallis
Hybridized by Krekler, 1979 | |
| Daylily 'Zacatecas'
Hemerocallis
Hybridized by Brooks, 1990 | |
| Daylily 'Zachary'
Hemerocallis
Hybridized by Krekler, 1987 | |
| Daylily 'Zachary Beyer'
Hemerocallis
Hybridized by Beyer, 1994 | |
| Daylily 'Zachary Smith'
Hemerocallis
Hybridized by Martin, 2006 | |
| Daylily 'Zachery Cline'
Hemerocallis
Hybridized by Andrews, 2003 | |
| Daylily 'Zachery Silva'
Hemerocallis
Hybridized by Christian, 2001 | |
| Daylily 'Zacheus'
Hemerocallis
Hybridized by Olson, 2005 | |
| Daylily 'Zack Of All Trades'
Hemerocallis
Hybridized by Warrell, 2003 |  |
| Daylily 'Zacks Point'
Hemerocallis
Hybridized by Kropf, 2000 | |
 | Daylily 'Zada Mae'
Hemerocallis
Hybridized by Kropf, 1982 |  |
| Daylily 'Zadol'
Hemerocallis
Hybridized by Spalding, 1963 | |
| Daylily 'Zagloba'
Hemerocallis
Hybridized by Franczak, 1983 | |
| Daylily 'Zagora'
Hemerocallis
Hybridized by Pride, 1978 |  |
| Daylily 'Zahadoom'
Hemerocallis
Hybridized by Stamile, 2002 |  |
| Daylily 'Zaida'
Hemerocallis
Hybridized by Wallace, 1986 | |
| Daylily 'Zaidee Williams'
Hemerocallis
Hybridized by MacMillan, 1973 | |
| Daylily 'Zak Jackson'
Hemerocallis
Hybridized by Carpenter, 1995 | |
| Daylily 'Zambezi'
Hemerocallis
Hybridized by Durio, 1978 |  |
| | Daylily 'Zambia'
Hemerocallis
Hybridized by Moldovan, 1975 |  |
| Daylily 'Zampa'
Hemerocallis
Hybridized by Claar, 1963 | |
| Daylily 'Zana'
Hemerocallis
Hybridized by Harwood, 1988 | |
| Daylily 'Zany'
Hemerocallis
Hybridized by Tankesley, 1996 | |
| Daylily 'Zany Fun'
Hemerocallis
Hybridized by Wild, 1989 | |
| Daylily 'Zany Zoe'
Hemerocallis
Hybridized by Jenkins, 1993 | |
| Daylily 'Zanzibar Brass'
Hemerocallis
Hybridized by Otte, 2003 | |
| Daylily 'Zanzibar Illusion'
Hemerocallis
Hybridized by Weston, 1998 | |
| Daylily 'Zanzibar Sunset'
Hemerocallis
Hybridized by Otte, 2003 | |
| Daylily 'Zappenduster'
Hemerocallis
Hybridized by Reinermann, 1994 |  |
| Daylily 'Zara Horn'
Hemerocallis
Hybridized by Olson, 2003 | |
| Daylily 'Zarahemla'
Hemerocallis
Hybridized by Roberson, 1979 |  |
| Daylily 'Zareba'
Hemerocallis
Hybridized by Carter, 1995 | |
| Daylily 'Zarzuela'
Hemerocallis
Hybridized by Hager, 1999 | |
| Daylily 'Zas'
Hemerocallis
Hybridized by Kamensky, 1992 | |
| Daylily 'Zastrugi'
Hemerocallis
Hybridized by Hansen, 2006 | |
| Daylily 'Zaza Do'
Hemerocallis
Hybridized by Krekler, 1987 | |
| Daylily 'Zazoo Double'
Hemerocallis
Hybridized by Krekler, 1986 | |
| Daylily 'Zazu Pitts'
Hemerocallis
Hybridized by Carter, 1995 | |
| Daylily 'Zeal'
Hemerocallis
Hybridized by Wild, 1989 | |
| Daylily 'Zebra In The Wild'
Hemerocallis
Hybridized by Billingslea, 1998 | |
