Hibiscus Syriacus (Rose Of Sharon) is a deciduous shrub which produces flowers in shades of pink, red, blue and purple, just to mention a few. Tolerant of heat and humidity, attractive to hummingbirds and butterflies, and bypassed by deer, Hibiscus are a must-have for the sunny garden.
Hibiscus Syriacus plants grow approximately 8–12 feet high, with a spread of 6–10 feet and produce 2- to 4-inch blooms from midsummer throughout the fall.
Rose of Sharon thrives in full sun, in rich well-drained soil that's acidic to slightly alkaline and evenly moist.
Prune to shape in spring and cut back to 2 - 3 buds in late winter to get bigger blooms.
Fertilize the hibiscus every two weeks during the growing season.
The Rose of Sharon is a low maintenance, hardy perennial once established.
Life Cycle: Perennial
USDA Zones: 5 - 9
Height: 8' - 12' (240cm - 3.6m)
Bloom Season: Mid/Late summer to fall
Light: Full sun / Partial sun
Germination Time: 15-25 days
Germination Temperature: 75-80° Fahrenheit
Soil Drainage: Moist, well-drained.
Plant the seeds outside: in spring after danger of frost has passed – plant them around 0.6 – 1.2 cm (1/4 – 1/2 inch) deep in an area that gets full sun, and seedlings should emerge later in the spring.
Alternatively, start the plants indoors:
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I use the paper towel method to germinate them. Having about 80% germination. Once they have put on this many leaves. They are going to grow. Excited to see what color they are.
Of the 10 seeds that I planted, so far 6 have sprouted. I am happy!