Hibiscus Species, Bladder Hibiscus, Flower of an Hour, Venice, Venus Mallow
Hibiscustrionum

Family: Malvaceae (mal-VAY-see-ee)
Genus: Hibiscus (hi-BIS-kus)
Species: trionum (try-OH-num)

Height

Spacing
24-36 in. (60-90 cm)

Hardiness
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Sun Exposure
Not Applicable

Bloom Color
Full Sun

Bloom Time

Foliage
Scarlet (dark red)
Bright Yellow

Other details
Mid Summer
Late Summer/Early Fall
Mid Fall

Propagation Methods
Succulent

Seed Collecting
May be a noxious weed or invasive

Soil pH requirements
From seed; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Patent Information

Foliage Color
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

Bloom Characteristics

Water Requirements

Where to Grow