Double Hollyhock Alcea Rosea Seeds for Planting

Add height and elegance to your garden with Double Hollyhock Alcea Rosea seeds. These seeds produce tall, upright plants with large, double-layered blooms that create a dramatic vertical display. Ideal for garden beds, borders, and cottage-style gardens, these easy-to-grow seeds provide long-lasting floral beauty throughout the summer.

Features:

1. Variety: Double Alcea Rosea
2. Plant type: Biennial or short-lived perennial flowering plant
3. Growth habit: Tall, upright, and bushy
4. Bloom appearance: Large double blooms in various colors (roses, pinks, and whites)
5. Blooming season: Summer to early fall
6. Light requirement: Full sun
7. Suitable for: Garden beds, borders, cottage gardens, and containers

Specifications:

1. Seed Type: Non-GMO flower seeds
2. Planting Season: Spring to early summer (indoors or direct sow)
3. Zones: USDA Zones 3–9
4. Planting Depth: 0.25 inch (6 mm)
5. Spacing: 18–24 inches (45–60 cm) between plants
6. Germination Time: 10–14 days
7. Days to Bloom: 90–120 days after sowing
8. Mature Plant Height: 4–8 feet (120–240 cm)
9. Mature Plant Spread: 12–18 inches (30–45 cm)
10. Soil Type: Well-draining, fertile soil
11. Water Requirements: Moderate; keep soil evenly moist
12. Special Feature: Attractive to pollinators, ideal for vertical garden accents

Planting Guide:

1. Sow seeds indoors 6–8 weeks before the last frost or directly outdoors after frost danger has passed.
2. Lightly cover seeds with soil and keep evenly moist.
3. Transplant seedlings when they are strong and soil is warm.
4. Provide full sun exposure and space plants according to specifications for healthy growth.
5. Mulch around the base to retain soil moisture and suppress weeds.