Hibiscus Species, Sun Hibiscus, Wild Stock-Rose, Lemon Yellow Rose Mallow
Hibiscus calyphyllus
Family: | Malvaceae (mal-VAY-see-ee) (Info) |
Genus: | Hibiscus (hi-BIS-kus) (Info) |
Species: | calyphyllus (kal-ee-FIL-us) (Info) |
Synonym: | Hibiscus calycinus |
Height:
4-6 ft. (1.2-1.8 m)
Spacing:
4-6 ft. (1.2-1.8 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)
Sun Exposure:
Sun to Partial Shade
Bloom Color:
Pale Yellow
Green
Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Blooms repeatedly
Foliage:
Herbaceous
Smooth
Other details:
Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information:
Non-patented
Propagation Methods:
From herbaceous stem cuttings
From seed; direct sow after last frost
Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Foliage Color:
Bloom Characteristics:
This plant is attractive to bees, butterflies and/or birds
Water Requirements:
Average Water Needs; Water regularly; do not overwater
Where to Grow:
Can be grown as an annual
Regional
This plant is said to grow outdoors in the following regions:
Gulf Shores, Alabama
Orange Beach, Alabama
Glendale, Arizona
Amesti, California
Corralitos, California
Elkhorn, California
Interlaken, California
Pajaro, California
Watsonville, California
Alachua, Florida
Deland, Florida
Ponte Vedra Beach, Florida
Zephyrhills, Florida
Lafayette, Tennessee
Austin, Texas(2 reports)
Belton, Texas
Bryan, Texas
Cedar Creek, Texas
Desoto, Texas
Magnolia, Texas
Mcallen, Texas
Richmond, Texas
San Antonio, Texas
show allGardeners' Notes:
Rating | Content |
---|---|
Positive | On Nov 15, 2020, KanapahaLEW from Alachua, FL (Zone 8b) wrote: Grows fast from easily-rooted cuttings. Will self-sow. Grows erect -- not straggly at all in full sun. Blooms sporadically throughout the season. Hardy in Florida zone 8b/9a. |
Positive | On Jan 28, 2015, angiegazelle from Mcallen, TX wrote: I first met this plant in 1986 in Edinburg, TX. Now there are a couple of specimens at my home in McAllen, TX. Seems to do well. Tolerates south Texas droughts. |
Positive | On Jan 28, 2015, angiegazelle from Mcallen, TX wrote: I first met this plant in 1986 in Edinburg, TX. Now there are a couple of specimens at my home in McAllen, TX. Seems to do well. Tolerates south Texas droughts. |
Positive | On Sep 15, 2011, saltcedar from Austin, TX (Zone 8b) wrote: Lemon Yellow Rosemallow is tougher than it looks. |
Positive | On Apr 28, 2011, Izhar from Karachi, The glowing flowers produce abundant nectar. Bees, wasps, ants adore them.. |
Positive | On Apr 28, 2011, htop from San Antonio, TX (Zone 8b) wrote: Lemon Yellow Rosemallow (Hibiscus calyphyllus) is native to tropical Central, East and southern Africa, Madagascar and the Mascarene Islands. It also can be found in South Africa and Yemen. It is a cultivated ornamental in other areas of the tropics and subtropics. It has naturalized in Hawaii. The natural habitat of Hibiscus calyphyllus is open bush, thickets and forests and it is often found along rivers. It grows to 1-1.8 meters (3-6 feet) tall and is often prostrate and straggly. I tie my plant's stems onto bamboo stakes to give it a more upright appearance. The light green leaves are obscurely to distinctly three to five lobed. The 8-10 cm (3-4 in) wide flowers are bright sulphur yellow with a deep maroon eye. It can be planted in full sun; however, my plant does better in morning... read more |