Beautiful Trumpet-Shaped Flowers
Produces attractive, large flowers that bring vibrant color and elegance to outdoor garden spaces.
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Rose of Sharon Hibiscus (Hibiscus syriacus) is a beautiful flowering shrub admired for its large, trumpet-shaped flowers and attractive green foliage. Also known as Syrian Hibiscus and Shrub Althea, this ornamental plant produces charming blooms in shades of pink, purple, violet, blue, and white, depending on the variety. Its upright growth habit and extended summer flowering season make it an excellent choice for garden borders, landscape displays, and ornamental planting. Grow Rose of Sharon from seeds and enjoy its graceful flowers and classic garden beauty.
Produces attractive, large flowers that bring vibrant color and elegance to outdoor garden spaces.
Flowers may appear in pink, purple, violet, blue, red, and white shades depending on the seed variety.
Develops an attractive upright growth habit, making it suitable for garden backgrounds, borders, and landscape planting.
Produces successive blooms during the summer and into autumn under suitable growing conditions.
| Scientific Name | Hibiscus syriacus |
| Common Name | Rose of Sharon, Syrian Hibiscus, Shrub Althea |
| Plant Family | Malvaceae |
| Seed Type | Ornamental Flowering Shrub Seeds |
| Plant Type | Deciduous Perennial Shrub |
| Growth Habit | Upright, Bushy Shrub |
| Flower Color | Pink, Purple, Violet, Blue, Red, and White (variety dependent) |
| Flower Shape | Large, Trumpet-Shaped Flowers |
| Blooming Season | Summer to Early Autumn, depending on climate |
| USDA Hardiness Zones | Generally Zones 5–9 |
| Planting Season | Spring or during suitable warm growing conditions |
| Seed Starting | Start indoors in seed trays or suitable containers |
| Seed Preparation | Light scarification and soaking in water for approximately 24 hours can help improve germination |
| Germination Time | Approximately 2–4 weeks under suitable conditions |
| Germination Temperature | Approximately 20–26°C |
| Sunlight | Full Sun to Partial Shade |
| Soil Requirements | Fertile, Moisture-Retentive, Well-Drained Soil |
| Watering | Regular watering during establishment; avoid waterlogging |
| Mature Plant Height | Approximately 2.5–4 metres under suitable conditions |
| Plant Spacing | Approximately 1.5–2 metres, depending on the intended landscape design |
Add elegance and seasonal color to your garden with Rose of Sharon Hibiscus Syriacus. Its beautiful trumpet-shaped flowers, attractive foliage, and graceful shrub-like growth make it a wonderful ornamental addition to outdoor spaces. Start growing this classic flowering shrub from seeds and enjoy its colorful blooms under suitable growing conditions.
Explore helpful answers about Rose of Sharon Hibiscus seed germination, flowering, and plant care.
Rose of Sharon seeds have a relatively hard outer seed coat. Gently scratching the seed surface with fine sandpaper and soaking the seeds in water for approximately 24 hours can help improve water absorption. Sow the prepared seeds in a suitable seed-starting mix and maintain consistent moisture.
Rose of Sharon grown from seeds generally needs more time to reach flowering maturity than established nursery plants. Flowering time depends on seedling growth, climate, sunlight, and growing conditions. Seed-grown plants may also produce flowers with different colors or forms from the parent plant.
Not necessarily. Rose of Sharon can produce genetically variable seedlings, especially when grown from seeds collected from hybrid or selected garden varieties. Flower color, petal form, and other characteristics may differ from the parent plant. For consistent flower characteristics, propagation through suitable cuttings is generally preferred.