Danish Hollyhock (Alcea rosea) Flower Seeds for Planting – Heirloom, Non-GMO, Tall Growing, Easy to Grow, Biennial Blooms

Grow classic vertical color in your garden with Danish Hollyhock (Alcea rosea) Heirloom Flower Seeds. This traditional variety is known for its tall, upright growth and large, layered blooms that create a striking display along fences, walls, and borders. The plants develop strong stalks and produce blooms in succession, making them suitable for a wide range of home garden layouts.

These Heirloom, Non-GMO seeds are easy to establish in well-drained soil and moderate sunlight. Once planted, the plants typically complete their foliage growth in the first season and produce tall flowering spikes the following season. Because of their height, they are often used as background plants in landscape designs.

Hollyhocks are known for attracting pollinators and supporting garden biodiversity. Their long flowering window provides a steady source of color throughout the warm months. This variety adapts well to different climates and can be grown in beds, borders, cottage gardens, and larger landscape areas.

• Heirloom, Non-GMO Seeds
  Maintains natural characteristics and ensures reliable growth.

• Tall Growing Variety
  Produces long stems that create height and structure in garden spaces.

• Easy to Grow
  Grows well in moderate sunlight and standard garden soil with basic care.

• Biennial Bloom Cycle
  Foliage forms in the first year; tall flowering spikes appear in the following year.

• Pollinator-Friendly
  Helps support beneficial garden insects.

• Suitable for Multiple Garden Styles
  Ideal for cottage gardens, borders, and background plantings.

• Plant Type: Biennial flowering plant

• Botanical Name: Alcea rosea

• Seed Type: Heirloom, Non-GMO

• Growth Habit: Tall upright stems

• Light Requirements: Full to partial sun

• Soil Preference: Well-drained, moderately fertile soil

• Watering Needs: Moderate and consistent moisture

• Bloom Season: Warm months of the flowering year

• Pollinator Support: Yes

• Suitable Zones: Widely adaptable across temperate zones

• Planting Method: Direct sow or start indoors

• Germination Time: Typically 10–14 days

• Spacing: Leave adequate space for airflow and stem development

• Care Level: Low to moderate maintenance