Malvaviscus Species, Cardinal's Hat, Firecracker Hibiscus, Sleeping Hibiscus, Sleepy Mallow

Malvaviscuspenduliflorus

Family
Malvaceae (mal-VAY-see-ee)
Genus
Malvaviscus (mal-vuh-VIS-kus)
Species
penduliflorus (pend-yoo-lee-FLOR-us)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Evergreen
Smooth
Height
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
Spacing
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
Hardiness
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)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
N/A
Bloom Color
Red
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Shrubs
Tropicals and Tender Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Non-patented
Propagation Methods
From semi-hardwood cuttings
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Bartow, Florida

Green Cove Springs, Florida

Interlachen, Florida

Jacksonville, Florida

Longwood, Florida

Melbourne, Florida

Miami Beach, Florida

Ocala, Florida

Zephyrhills, Florida

Ainaloa, Hawaii

Hawaiian Beaches, Hawaii

Leilani Estates, Hawaii

Nanawale Estates, Hawaii

Pahoa, Hawaii

Bossier City, Louisiana

Youngsville, Louisiana

Angleton, Texas

Austin, Texas

Dallas, Texas

Desoto, Texas

Dripping Springs, Texas

Houston, Texas

Mont Belvieu, Texas

San Antonio, Texas

Waxahachie, Texas

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Gardener's Notes:

4
positives
2
neutrals
0
negative
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M
Dripping Springs, TX | November 2018 | positive

I love this plant , but wish I was a tad warmer. It is a late bloomer. On warm years I have large pendulous red flowers on the ramp up to...Read More

L
Austin, TX | July 2013 | positive

It grows beautifully here in Austin, TX. I have seen my daughter's freeze down to the ground and bounce right back. I have found them eas...Read More

S
Houston, TX | April 2012 | positive

Easy to grow from cuttings. Took awhile to bloom. Likes epsom salt, fish oil and compost tea. Blooms non-stop. Leans toward the sun.

Z
(Zone 8b) | June 2010 | neutral

A synonym is Malvaviscus arboreus var. penduliflorus

C
Angleton, TX | July 2009 | positive

We have two of these plants and they will really get huge if you don't cut them back. The birds and squirrels love the blooms and foliage...Read More

H
H
San Antonio, TX (Zone 8b) | March 2008 | neutral

I have not grown this plant. Giant Mexican Turk's Cap, Mazapan, Turkscap Mallow, Sleeping Waxmallow, Sleeping Hibiscus (Malvaviscus pendu...Read More

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