Hibiscus Species, Heartleaf Hibiscus, Heartleaf Rose Mallow, Tulipan del Monte

Hibiscusmartianus

Family
Malvaceae (mal-VAY-see-ee)
Genus
Hibiscus (hi-BIS-kus)
Synonym
Hibiscus cardiophyllus
Spacing
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Hardiness
24-36 in. (60-90 cm)
Sun Exposure
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)
Bloom Color
Full Sun
Sun to Partial Shade
Bloom Time
Foliage
Red
Other Details
Other details
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Propagation Methods
Seed Collecting
Soil pH requirements
From herbaceous stem cuttings
Patent Information
Foliage Color
Allow seedheads to dry on plants; remove and collect seeds
Seed does not store well; sow as soon as possible
Bloom Characteristics
Water Requirements
Where to Grow
Regional

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

Tucson, Arizona(2 reports)

Oberlin, Ohio

Arlington, Texas

Austin, Texas(2 reports)

Houston, Texas

Longview, Texas

Los Fresnos, Texas

Missouri City, Texas

New Waverly, Texas

Uvalde, Texas

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Gardener's Notes:

3
positives
0
neutral
0
negative
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O
Oberlin, OH | October 2023 | positive

Since I live in North East Ohio, I was surprised to read the comments about this plant being native to TX & AZ, and wondered how it ended...Read More

F
Josephine, Arlington, TX (Zone 8a) | August 2006 | positive

Hibiscus martianus is a lovely flower Endemic to Texas.

C
Deep South Coastal, TX (Zone 10a) | August 2005 | positive

This plant is also known as Hibiscus cardiophyllus. It is native to Texas. It will survive in zone 8 with mulch in the winter. In the sou...Read More

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