Showy Trumpet Flowers
Produces attractive trumpet-shaped flowers in different colors, depending on the variety.
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Syriacus Hibiscus, scientifically known as Hibiscus syriacus and commonly called Rose of Sharon, is a beautiful flowering shrub admired for its large, trumpet-shaped flowers and attractive green foliage. Its blooms are available in shades of white, pink, purple, red, and blue, depending on the variety. This deciduous ornamental shrub is suitable for garden borders, hedges, landscape displays, and decorative outdoor spaces. It is valued for its extended summer flowering season and ability to grow in different garden conditions.
Produces attractive trumpet-shaped flowers in different colors, depending on the variety.
Provides seasonal floral interest from summer into fall under suitable growing conditions.
Develops an upright, branching growth habit with attractive deciduous foliage.
Suitable for flowering hedges, garden borders, specimen planting, and outdoor landscapes.
| Scientific Name | Hibiscus syriacus |
| Common Name | Rose of Sharon; Shrub Althea; Syrian Hibiscus |
| Plant Family | Malvaceae |
| Seed Type | Ornamental Flowering Shrub Seeds |
| Plant Type | Deciduous Perennial Shrub |
| Growth Habit | Upright, bushy, and branching |
| Flower Colors | White, pink, red, purple, and blue, depending on variety |
| Flower Shape | Trumpet-shaped, single or double |
| USDA Hardiness Zones | Generally Zones 5–8 |
| Planting Season | Spring to early summer |
| Seed Preparation | Scarification or soaking may improve germination |
| Sowing Depth | Approximately ¼–½ inch, following seed supplier instructions |
| Germination Time | Approximately 2–4 weeks under suitable conditions |
| Germination Temperature | Approximately 70–75°F (21–24°C) |
| Sunlight Requirements | Full sun to partial shade |
| Soil Requirements | Moist, fertile, well-drained soil |
| Watering Needs | Moderate; maintain consistent moisture during establishment |
| Flowering Season | Summer to fall |
| Mature Plant Height | Approximately 8–12 feet |
| Mature Plant Spread | Approximately 6–10 feet |
| Plant Spacing | Approximately 6–10 feet, depending on planting purpose |
Add beautiful seasonal flowers and attractive shrub foliage to your outdoor space with Syriacus Hibiscus Seeds. Known for its colorful trumpet-shaped blooms and upright growth, Rose of Sharon is a wonderful choice for garden borders, flowering hedges, and landscape planting. Provide suitable sunlight, well-drained soil, and regular care to encourage healthy growth and beautiful flowering.
Find helpful answers about Rose of Sharon seed germination, flowering, and shrub care.
Hibiscus syriacus seeds generally benefit from scarification because of their hard outer coating. Cold stratification is not universally required. Follow the supplier's instructions for the particular seed lot before sowing.
Rose of Sharon seedlings may begin flowering within their first few growing seasons, depending on the variety and growing conditions. Plants grown from seed may also produce flowers with different colors or forms from the parent plant.
Yes, Rose of Sharon tolerates summer heat and can grow in warm conditions when provided with suitable sunlight and well-drained soil. In particularly hot climates, regular watering during establishment and protection from extreme afternoon heat can help young plants.