Photo of Chlorogalum pomeridianum flower by The Watershed Nursery

Photo by The Watershed Nursery

Used with permission, all rights reserved

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Chlorogalum pomeridianum

Also Known As

  • California Soap Root
  • Soap Plant
  • Wavy-leafed Soap Plant

Plant type

perennial, bulb / corm / tuber

size

  • H: 2'
  • W: 2'

planting zones

  • 6a-10b

More Options

Chlorogalum pomeridianum plant details

Chlorogalum pomeridianum is a broadleaf deciduous perennial bulb / corm / tuber with green foliage. In spring and summer white flowers emerge. Grows well with sun - mostly sun and low water. Drought tolerant once established. Prefers to be dry in summer. Does well in average and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Chlorogalum pomeridianum

Plant type: perennial bulb / corm / tuber
Plant family: asparagaceae
Foliage: deciduous green
Mature size: 2 FT wide, 2 FT tall
Flowers: white blooms in spring and summer

GROWING CONDITIONS for Chlorogalum pomeridianum

USDA Zones: 6a - 10b
Sun exposure: sun - mostly sun
Watering frequency: low
Resistant to: verticillium wilt
Soil needs: average and well-drained

Nursery contributed plant descriptions

Pomeridianum? means ?in the afternoon?, when these loose clusters of starry, white flowers open on their 2-6' stalks. Now a bedtime treat! for bees, this native bulb was used for: brushes, soap, poultice, glue and food! S/M/GDr
Soap plant is a bulb that grows 2' tall by 2' wide. It is a superb plant for evening flowers since the flowers only open late in the day or when it is very overcast. For a dramatic effect, plant in a meadow garden where it will go dormant during summer and fall. This easy to grow bulb has 2' tall spikes of small white flowers that bloom from May-August. Bulbs were an important food source for Native Americans and may be eaten when roasted. Native to California and is also found outside of California, but is confined to western North America. The plant and roots are eaten by many small mammals, including ground squirrels and rabbits. The flowers provide summertime food for a variety of insects. Soap plant was traditionally used by many California Native American tribes and early settlers. The bulb can be boiled and then eaten like a potato and was also crushed and used as soap for clothes and bathing. Found in grassy road banks, open meadows, and slopes. Communitites located in Valley Grassland, Coastal Sage Scrub, Northern Coastal Scrub, Foothill Woodland, Closed-cone Pine Forest, Mixed Evergreen Forest, Chaparral Between 0 and 5000 feet .
Soap Plant makes an lovely (& useful!) addition to garden beds, dry gardens, rock gardens & meadows. Found throughout California on dry, open hills, the native bulb forms a 1” wide rosette of attractive, wavy margined gray-green leaves. In late Spring, widely branched panicles of very fragrant, delicate looking white flowers appear, giving a graceful air to the garden. The blooms are pollinated by moths, so are extra fragrant in the evening. EASY & poor soil tolerant. Native Californians used the raw bulbs for soap & roasted them for food. The fibers around the bulb can also be pulled off & bound to make a brush to use while soaping up the dishes! Supper, soap & scrubber all in one! Deciduous in Fall.

Gardening facts about Chlorogalum pomeridianum plant

How to Grow Chlorogalum pomeridianum

  • Sun Exposure

    • sun - mostly sun
  • Water Needs

    • low - drought tolerant
  • Water Needs

    • dry in summer
  • Soil Needs

    • average
    • well-drained
  • Special Situation

    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • white
  • Flower Season

    • spring
    • summer
  • Foliage Season

    • deciduous

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