Nearly Black Blooms
Produces dramatic, deep burgundy to very dark maroon flowers that create a bold focal point in ornamental gardens.
Blacknight Hollyhock Seeds for Sale
Suitable for home gardening use
Regular price
Rs. 16.99 INR
Sale price
Rs. 16.99 INR
Regular price
Tax included.
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Estimated Delivery:Nov 21 - Nov 25
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Product description
Blacknight Hollyhock Seeds
Blacknight Hollyhock is a striking ornamental flowering plant known for its exceptionally dark, deep maroon to nearly black blooms. A traditional cottage garden favorite, hollyhocks produce tall flower spikes that add vertical interest to garden borders, fences, and ornamental landscapes. They are commonly grown in sunny locations with fertile, well-drained soil. Blacknight is associated with dark-flowered hollyhock varieties, but exact flower color, mature height, and growth characteristics may vary depending on the seed strain and growing conditions.
Dark Maroon Flowers
Cottage Garden Favorite
Tall Flower Spikes
Ornamental Blooms
Key Features
Tall Flower Spikes
Develops upright flowering stems that add height and structure to garden borders and cottage-style landscapes.
Classic Garden Appeal
Complements traditional flower beds, fences, and mixed ornamental plantings with its distinctive blooms.
Pollinator Garden Interest
Hollyhock flowers can attract visiting pollinators, including bees, when blooms are available.
Product Highlights
Deep maroon to nearly black blooms
Tall ornamental flowering stems
Classic cottage garden flower
Suitable for sunny garden borders
Adds vertical landscape interest
Attractive for mixed flower beds
Can support visiting pollinators
Flower color varies with seed strain
Specifications
| Scientific Name | Alcea rosea |
| Common Name | Blacknight Hollyhock; Dark Hollyhock |
| Plant Family | Malvaceae |
| Seed Type | Ornamental Flower Seeds |
| Growth Habit | Upright flowering plant, generally grown as a biennial or short-lived perennial |
| Flower Color | Very dark maroon to deep burgundy, often appearing nearly black |
| USDA Hardiness Zones | Generally suitable for USDA Zones 3–9, depending on cultivar and local conditions |
| Planting Season | Spring or late summer, depending on climate and the intended flowering cycle |
| Seed Starting | Sow in individual pots or prepared garden soil according to supplier instructions; cover lightly |
| Germination Time | Often approximately 10–21 days under suitable conditions |
| Germination Temperature | Approximately 65–75°F (18–24°C) is generally suitable for seed starting |
| Sunlight | Full sun is generally preferred |
| Soil Requirements | Fertile, well-drained soil enriched with organic matter |
| Watering | Water regularly during establishment and dry periods; avoid waterlogged soil |
| Mature Plant Size | Often around 5–8 feet tall, depending on the variety and growing conditions |
| Plant Spacing | Generally about 18–24 inches apart, adjusted for expected mature size and airflow |
Growing Guide
Step 1: Choose a Suitable Location
Select a sunny garden area with fertile, well-drained soil. Because hollyhocks can grow tall, a sheltered location near a fence or support may help protect flowering stems from strong winds.
Select a sunny garden area with fertile, well-drained soil. Because hollyhocks can grow tall, a sheltered location near a fence or support may help protect flowering stems from strong winds.
Step 2: Prepare the Seeds
Use fresh seeds from a reliable supplier and follow the packet instructions. If starting indoors, use clean pots and a well-drained seed-starting mix.
Use fresh seeds from a reliable supplier and follow the packet instructions. If starting indoors, use clean pots and a well-drained seed-starting mix.
Step 3: Sow the Seeds
Sow seeds according to the supplier's recommended depth, covering them lightly with soil. Keep the growing medium evenly moist and maintain suitable temperatures for germination.
Sow seeds according to the supplier's recommended depth, covering them lightly with soil. Keep the growing medium evenly moist and maintain suitable temperatures for germination.
Step 4: Transplant and Establish
Once seedlings are strong enough to handle, transplant them carefully into the garden. Space plants to allow airflow and room for mature growth, avoiding excessive disturbance to their roots.
Once seedlings are strong enough to handle, transplant them carefully into the garden. Space plants to allow airflow and room for mature growth, avoiding excessive disturbance to their roots.
Step 5: Maintain Healthy Growth
Water during dry weather, remove damaged leaves, and provide support if tall stems become unstable. Monitor foliage for rust and other common hollyhock problems, and remove affected leaves when appropriate.
Water during dry weather, remove damaged leaves, and provide support if tall stems become unstable. Monitor foliage for rust and other common hollyhock problems, and remove affected leaves when appropriate.
Create Dramatic Garden Displays with Blacknight Hollyhock
Blacknight Hollyhock adds dramatic dark blooms and impressive vertical interest to cottage gardens, sunny borders, and ornamental landscapes. With suitable sunlight, fertile soil, and consistent care, these classic flowers can become a standout feature in the garden. Choose seeds from a reliable supplier to help ensure the expected dark flower color and growing characteristics.
Frequently Asked Questions
Discover useful information about Blacknight Hollyhock flower color, seed starting, and flowering time.
Are Blacknight Hollyhock flowers truly black?
Blacknight Hollyhock is associated with very dark burgundy or deep maroon flowers that can appear almost black, especially in certain lighting. The blooms are generally not a true jet black. Actual color may vary with the seed strain, growing conditions, and light, so review the supplier's variety description before purchasing.
When should I plant Blacknight Hollyhock seeds?
Planting time depends on your climate and whether you want to start seeds indoors or sow them outdoors. Spring is a common option, while late-summer sowing may work in regions with suitable conditions. Follow the seed supplier's instructions and allow enough time for seedlings to establish before extreme heat or cold.
How long does it take Blacknight Hollyhock to flower from seed?
Hollyhocks often flower in their second growing season when grown as biennials, although some plants may bloom in their first year if started early under favorable conditions. Flowering time depends on sowing date, climate, and plant development. Maintain suitable sunlight, soil moisture, and growing conditions to support healthy growth.