Rose of Sharon Hibiscus syriacus "Doppel Blau", Beautiful Flower Seeds for Gardening your Back Yard Space

Rose of Sharon "Doppel Blau" (Hibiscus syriacus) – Stunning Blue-Purple Blooms for Ornamental Hedges and Backyard Gardens
Hibiscus syriacus "Doppel Blau," commonly known as Rose of Sharon, is a deciduous flowering shrub valued for its striking blue-purple blooms and upright growth habit. Ideal for ornamental hedges, garden borders, and container planting, these flowers provide continuous color and decorative appeal. Easy to grow and long-lasting, "Doppel Blau" enhances backyard gardens with vibrant, seasonal beauty and ornamental charm.

Features:

• Premium Hibiscus syriacus seeds with high germination
• Produces vibrant blue-purple blooms ideal for ornamental planting
• Perfect for hedges, garden borders, and container planting
• Long-lasting flowers with moderate care requirements
• Attracts pollinators and enhances garden aesthetics

Specifications:

• Botanical Name: Hibiscus syriacus "Doppel Blau"
• Common Name: Rose of Sharon
• Flower Color: Blue-purple
• Plant Type: Deciduous flowering shrub
• Height/Spread: 120–180 cm tall / 100–150 cm wide
• Light Requirement: Full sun
• Soil Type: Well-drained, fertile soil
• Watering: Moderate; maintain evenly moist soil
• Sowing Time: Spring or after last frost
• Blooming Season: Summer to early autumn
• Zones: USDA 5–9
• Days to Germination: 14–21 days
• Temperature for Germination: 20–25°C (68–77°F)
• Spacing: 50–60 cm apart

Planting & Growing Guide:

• Sow seeds in well-drained, fertile soil in hedges, borders, or large containers.
• Keep soil consistently moist until germination occurs (2–3 weeks).
• Thin seedlings to proper spacing for healthy growth.
• Provide full sun for vibrant and continuous flowering.
• Prune lightly to encourage bushier growth and more blooms.