Hibiscus Species, Sacramento Rose-Mallow, Delta Hibiscus, River Mallow, Woolly Rose Mallow, Crimson-

Hibiscus lasiocarpus

Family
Malvaceae (mal-VAY-see-ee)
Genus
Hibiscus (hi-BIS-kus)
Species
lasiocarpus (las-ee-oh-KAR-pus)
Synonym
Hibiscus californicus
Hibiscus moscheutos subsp. lasiocarpos
Hibiscus lasiocarpos
Height
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
Spacing
24-36 in. (60-90 cm)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Sun Exposure
Full Sun
Bloom Color
Rose/Mauve
Magenta (pink-purple)
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Foliage
Herbaceous
Succulent
Other Details
Other details
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings
From softwood cuttings
From seed; sow indoors before last frost
Scarify seed before sowing
By simple layering
Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Foliage Color
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens
Where to Grow
Can be grown as an annual
Regional

This plant is said to grow outdoors in the following regions:

Chico, California

Los Angeles, California

Oceanside, California

Paradise, California

Sacramento, California

Stockton, California

Atlantic Beach, Florida

Brooksville, Florida

Greenville, Indiana

Deridder, Louisiana

La Place, Louisiana

Mason, Michigan

Minneapolis, Minnesota

Aurora, Missouri

Jackson, Missouri

Croton On Hudson, New York

Winston Salem, North Carolina

Arlington, Texas

Bristow, Virginia

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Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
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B
Jackson, MO (Zone 6b) | July 2016 | neutral

This is native to Missouri. It just started blooming the last week in July. It just showed up in my garden. Another one has popped up ...Read More

O
O
Paradise, CA (Zone 9a) | June 2011 | positive

Huge white hibiscus flowers with red centers. Native to riparian areas around the Sacramento River in California, and can also be found i...Read More

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