Photo by Melody

PlantFiles: Hibiscus
Hibiscus paramutabilis x syriacus 'Lohengrin'

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Hibiscus (hi-BIS-kus) (Info)
Species: paramutabilis x syriacus
Cultivar: Lohengrin

» View all varieties of Hibiscus

4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)

36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Bloom Color:
White/Near White

Bloom Time:
Mid Summer
Late Summer/Early Fall
Mid Fall


Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From woody stem cuttings

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By Dean48089
Thumbnail #1 of Hibiscus paramutabilis x syriacus by Dean48089


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive Dean48089 On Jun 18, 2013, Dean48089 from Warren, MI (Zone 6b) wrote:

Hibiscus 'Lohengrin' is a hybrid between our native Hibiscus paramutabilis and Hibiscus syriacus, possessing features from each parent. I first bought 'Lohengrin,' along with Tosca, from Glasshouse works about 13 years ago. I planted them in a spot expecting growth similar to H. syriacus, which is a slow grower in my heavy clay soil. By their third summer both 'Tosca' and 'Lohengrin' were over twelve feet tall and at least six feet wide, overwhelming all their neighbors. So I cut them both down to 2' stumps with the intention of letting them grow back in a more controlled manner. 'Lohengrin' soon put out new growth and I now maintain it as a 5=6 foot sphere. The flowers are white with a red eye, and are much larger than either parent, rivaling the tropical H. rosa-sinensis in size. 'Lohengrin' is self-dead heading and it has never set seeds. Butterflies love it. Perhaps due to its herbaceous parent it starts blooming a week or more before H. syriacus and stays covered in flowers until the first frost.


This plant has been said to grow in the following regions:

Warren, Michigan

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