Double Red Hollyhock Seeds – Flower Plant
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Double Red Hollyhock Seeds
Double Red Hollyhock is a classic flowering biennial or short-lived perennial known for its tall flower spikes covered with richly layered deep red blooms. This traditional cottage garden favorite adds striking vertical interest to fences, walls, borders, and mixed perennial beds. It grows best in full sun with fertile, well-drained soil and produces spectacular blooms throughout the summer season.
Key Features
Large Double Red Flowers
Produces densely layered crimson-red blooms that create an impressive vertical floral display.
Tall Flower Spikes
Develops sturdy upright stems that provide dramatic height in borders and cottage gardens.
Summer Blooming
Flowers throughout the summer, bringing long-lasting seasonal color to ornamental landscapes.
Ideal for Garden Backdrops
Excellent for planting along fences, walls, garden borders, and mixed perennial beds.
Product Highlights
Specifications
| Scientific Name | Alcea rosea |
| Common Name (US) | Double Red Hollyhock |
| Seed Type | Flower Seed |
| Growth Habit | Upright Biennial or Short-Lived Perennial |
| USDA Zones | 3–9 |
| Planting Season | Spring or Fall |
| Growing Season | Late Spring Through Summer |
| Sowing Season | Spring or Fall |
| Sowing Months | March–May, September–October |
| Germination Time | 10–21 Days |
| Germination Conditions | 65–75°F (18–24°C); Keep Soil Evenly Moist |
| Sunlight | Full Sun |
| Soil | Rich, Well-Drained Soil |
| Watering | Moderate; Water Regularly During Active Growth |
| Mature Size | 5–8 ft Tall × 18–24 in Wide |
| Plant Spacing | 18–24 in Apart |
Growing Guide
Perfect For Cottage Gardens, Borders, Fences, Garden Walls And Mixed Perennial Beds
Double Red Hollyhock delivers impressive vertical flower spikes with richly layered blooms that create classic cottage garden charm. Its tall growth habit, long summer flowering season, and vibrant color make it an outstanding addition to ornamental landscapes and pollinator-friendly gardens.