SELECTED PLANTS FOR DROUGHTTOLERANT LANDSCAPES Linda Magrum, Yolo County Master Gardener Taylor Lewis, Nursery Manager, UC Davis Arboretum Drought-tolerant Plants for a Mediterranean Climate • • • • • • • • California native plants Plants native some parts of South America Plants native to Mediterranean Plants native to Central Europe and Near East Plants native to China Plants native to Australia and New Zealand Plants native to South Africa Arboretum All-Stars Water Requirements of Plants as defined by the Sunset Western Garden Book and/or U. C. Davis Arboretum • None: Once established, the plant survives on natural rainfall in its native environment • Little: Plant is quite drought-tolerant. Once established, it may need deep watering once a month during the dry season. • Moderate: Once established, plant needs a deep watering every 2 to 3 weeks. • Regular: Once established, plant needs water at least once a week, more in hotter weather. Soil should not be too dry or too wet. Drought-tolerant Perennials for Part Shade to Shade Aloe ‘Johnson’s Hybrid’ (Johnson’s Hybrid aloe) Aspidistra elatior (cast iron plant) Bouteloua gracilis (blue grama grass) Bulbine frutescens (Cape balsam) Bulbine frutescens (Cape balsam) Dicliptera suberecta (hummingbird bush) Echeveria hybrid 'After Glow’ (After Glow hen and chicks) Echeveria x imbricata (hen and chicks) Festuca glauca (blue fescue) Helleborus orientalis (Lenten rose) Heuchera maxima (island alum root) Heuchera micrantha (coral bells) Heuchera sanguinea (coral bells) Salvia elegans (pineapple sage) Salvia spathacea (hummingbird sage) Zephranthes candida (Argentine rain lily, fairy lily) Zephranthes grandiflora (pink rain lily, fairy lily) Drought-tolerant Shrubs for Part Shade to Shade Abutilon hybrid (flowering maple) Calycanthus occidentalis (spicebush) Correa pulchella ‘Pink Eyre’ (Pink Eyre Australian fuchsia) Correa pulchella ‘Pink Eyre’ (Pink Eyre Australian fuchsia) Daphne odora 'Marginata' (winter daphne) Mahonia aquifolium (Oregon grape) Mahonia eurybracteata ‘Soft Caress’ (Soft Caress mahonia) Mahonia repens (creeping Oregon grape) Osmanthus fragrans (sweet olive) Osmanthus fragrans (sweet olive) Ribes sanguineum (red flowering currant) Plant Selection References • UC Davis Arboretum All-Star Databasehttp://arboretum.ucdavis.edu/plant_se arch.aspx • UCCE Yolo County Publicationshttp://ceyolo.ucdavis.edu/Gardening _and_Master_Gardening/Free_Gardening_Hando uts/ • Sunset Western Garden Book
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