| Category | Name | Othername | Zone | Size | Growthrate | Water | Comments | |
|---|---|---|---|---|---|---|---|---|
| Cacti and Yuccas and relatives | IVORY TOWER YUCCA | Y. filamentosa 'Ivory Tower' | 4 | 3 x 4 | Medium | X | Like Adam's needle yucca but with larger flowers | |
| Cacti and Yuccas and relatives | HARRIMAN'S YUCCA | Y. harrimaniae | 5 | 1 x 1 | Slow | XXX | Variable small yucca with a brown stripe along the leaf margin with white filaments curling from it; short spike with white flowers in summer | |