Plant Database Search Plants Starting Letter A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Show All Letters Filter Results Type All TypesShrub Height All Heights3-5ft5-10ft Width Category All Widths3-5ft5-10ft Flower Color All Flower ColorsYellow Flower Season All Flower SeasonsWinterSpringSummer Cold Hardiness All Cold HardinessZone 7: 0˚FZone 8: 10˚FZone 9: 20˚F Plant List Senna artemisioides (Feathery Senna, Feathery Cassia) Shrub | Height: 6ft | Width: 6ft | Zone 8: 10˚F Senna nemophila (Desert Senna, Desert Cassia) Shrub | Height: 6ft | Width: 6ft | Zone 7: 0˚F Senna oliogophylla (Outback Senna, Outback Cassia) Shrub | Height: 5ft | Width: 5ft | Zone 9: 20˚F Senna phyllodinea (Silvery Senna, Silvery Cassia) Shrub | Height: 8ft | Width: 8ft | Zone 9: 20˚F Senna wislizenii (Shrubby Senna, Shrubby Cassia) Shrub | Height: 6ft | Width: 8ft | Zone 7: 0˚F