Scientific name: Yucca spp. & cvs.
Family: ASPARGACEAE
Common names: “Yucca”
Plant Type: Evergreen perennial, shrub or tree, shrubs in Victoria
Conditions:
Zone: 5-10 for the hardy spp. found in Victoria
Light: Full sun
Exposure: Sheltered, tender spp. must be overwintered indoors
Soil: Poor, alkaline soil best, less clay
Moisture: Well drained – drought
Aesthetic:
Plant Size: H 22″-6′ W 3-6′, slow growing
Leaf and Stem shape: Dense or loose rosettes of stiff, sword-shaped leaves and tall
Flower: Tall panicles of bell-shaped flowers
Maintenance: Low, cut out flowered stalks and lower leaves when they turn brown, long taproot makes these difficult to transplant or remove
Landscape use: Mediterranean climate, architectural city, coastal cottage
Propagate: By seed or rooted suckers
Pests & Disease: May have problems if growing in too moist conditions
Comments: Some species produce edible fruits and roots, the kinds with sharp leaf tips are dangerous, if you think its been dug up, chances are it will return
Cultivars: ~AGM winners: Y. gloriosa , Y. g. ‘Variegata’ , Y. flaccida ‘Golden Sword’ , Y. flaccida ‘Ivory’ , Y. filamentosa ‘Bright Edge’ , Y. filamentosa ‘Color Guard’ , Y. elephantipes 
Vancouver Island Grows 