How to Grow Hibiscus
Hibiscus Germination Information
Hibiscus is the botanical name for Swamp Rose Mallow
How to Sow Hibiscus: - Best sown indoors at 68-72° at a depth of 4 times the diameter of the seeds
- Soaking seeds in water before sowing helps germination
- Expect germination in 10-15 days
- Can also be sown outdoors in spring after danger of frost is past. Soil temperature must be warm
- When sowing seed outdoors, we recommend a maximum planting depth of 4X the width of the seed
- Outdoors, seeds will germinate in 12-18 days
How to Grow Hibiscus: Transplanting: Transplant when there are at least two sets of true leaves
Spacing: Space seedlings 2-3 feet apart in full sun in a moist, well-drained garden soil
Soil: Tolerant of slightly alkaline soils
Temperature: Tolerant of heat and humidity
Additional Care: To control the vigorous growth, plants may be pinched at planting and again when new
growth is 2 inches long
Appearance and Use:
A toweringly tall and upright perennial (8 feet tall by 2-3 feet wide) for the
backs of sunny borders and naturalized areas. The 8 inch diameter flowers open in summer in colors
of crimson, pink, or white. The green, 4-10 inch long leaves are ovate to lanceolate and have
toothed margins
About Hibiscus: Pronunciation: hi-bis’kus mos-kew’tos
Lifecycle: Perennial
Origination: Malvaceae; native to the eastern United States
Common Name: Swamp Rose Mallow