Solanum umbelliferum
California-native drought-tolerant nightshade shrub with blue-to-purple flowers, small spherical berries that ripen from green to purple, brown, or black, is highly toxic in all parts and supports bees, birds, and moths.
Common Names
Blue Witch Nightshade, Bluewitch Nightshade, Bluewitch, Nightshade, Island Nightshade, Purple Nightshade, Clokey's Nightshade, Bald Blue-Witch Nightshade, Hoffmann's Nightshade, Hoary Nightshade, Parish Nightshade, Narrow-Lobed Nightshade
Summary
Blue Witch Nightshade (Solanum umbelliferum) is a native California shrub or subshrub with a mounding to spreading habit, sometimes vining, reaching about 2–3 feet tall and wide, it features grey-green, hairy stems and lavender to blue-purple flowers with five fused petals and yellow anthers, and small spherical green fruits that ripen to purple, it is native to California and western North America, commonly found in chaparral and oak woodland communities from northern California to Baja California and east into Arizona, in cultivation, it grows best in full sun to partial shade with well-drained, dry soils and is drought-tolerant once established, hardy to USDA Zones 7–10, deer resistant and all parts poisonous, propagation is by treated seed or rooted layers, with seeds requiring a one-hour acid or hot water treatment, it suits dry rock gardens, perennial borders, or container plantings, flowers attract bees and fruits are eaten by birds
Lifecycle
Perennial
Height
2-3 feet
Spread
2-3 feet
Hardiness Zones
Zones 7-12
Sunlight Requirements
Ideally Full Sun to Partial Shade.
Soil Type
Well-drained soil rich in organic matter.
Soil Drainage
Well-drained soil
Soil pH
Tolerates all pH levels
Bloom Color
Blue to Purple
Bloom Time
Spring and Summer
Foliage Color
Grey-green
Fall Foliage Color
Grey-green
Leaf Lifecycle
Semi-deciduous
Growth Rate
Fast
Seasons of Interest
Spring, Summer, Winter
Propagation Methods
Seeds and Layering
Attracts Wildlife
Attracts bees, butterflies, and birds
Taxonomy
- Taxonomic Rank
- Species
- Author
- Eschsch.
- Publication
- Mém. Acad. Imp. Sci. St. Pétersbourg Hist. Acad. 10: 283. 1826.
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Solanales
- Family
- Solanaceae
- Subfamily
- Solanoideae
- Tribe
- Solaneae
- Genus
- Solanum
Synonyms
Solanum cupuliferum Solanum genistoides Solanum menziesii Solanum microphyllum Solanum palmeri Solanum parishii Solanum tenuilobatum Solanum umbelliferum var. californicum Solanum umbelliferum var. glabrescens Solanum umbelliferum var. incanum Solanum umbelliferum var. umbelliferum Solanum xanti Solanum xanti var. hoffmannii Solanum xanti var. intermedium Solanum xanti var. montanum Solanum xanti var. spencerae Solanum xanti var. xanti Witheringia menziesii Solanum xanti var. obispoense Solanum umbelliferum var. hoffmannii Solanum umbelliferum var. intermedium Solanum umbelliferum var. montanum Solanum umbelliferum var. obispoense Solanum californicum Solanum obispoense Solanum xanti var. glabrescens Solanum umbelliferum var. xanti