Blacknight Hollyhock Seeds - Heirloom Flower Plant for Home Gardens

Blacknight Hollyhock is a tall flowering perennial known for its deep black-purple, single flowers with contrasting pale centers. It produces upright flower spikes in summer and grows well in borders, cottage gardens, along fences, and other sunny garden spaces.

Features

• Deep black-purple single flowers
• Tall, upright growth habit
• Long-lasting summer blooms
• Suitable for garden borders and fences
• Attractive choice for cottage gardens
• Grows well in full sun
• Supports bees and butterflies

Specifications

• Scientific Name: Alcea rosea 'Blacknight'
• Common Name (US): Blacknight Hollyhock
• Seed Type / Variety: Black-Purple Single Flowering Hollyhock
• Growth Habit: Upright perennial or biennial
• USDA Zones: 3–9
• Planting Season: Spring to early summer
• Growing Season: Spring through fall
• Germination Time: Approximately 14–28 days
• Sunlight Requirements: Full sun
• Soil Requirements: Fertile, well-drained soil
• Watering Needs: Moderate; maintain regular moisture
• Mature Plant Size: Approximately 5–6 feet tall
• Plant Spacing: Approximately 18–24 inches apart