Hollyhock 'Nigra' Seeds
Alcea rosea 'nigra'
Tall, strong, dark-tousled blooms.
Glossy, deep chocolate maroon flowers. Hollyhock 'Nigra' is a modern twist to a cottage garden style.
Approx 30 seeds
- Cut Flowers
- Pollinator-Friendly
- Pot Fans
- Fuss Free
Hollyhock 'Nigra' Seeds – Quick Growing Guide
Hollyhock 'Nigra' seeds produce striking black flowers ideal for adding height and drama to borders. Sow from March to September, either directly outdoors or in pots. These biennial flowers thrive in full sun with regular watering and are excellent as cut flowers or garden accents.
How to Sow, Grow and Harvest Hollyhock 'Nigra' Seeds
- Sow:March–September, direct or in pots
- Germination:7–14 days
- Grow:Full sun, well-drained soil, support tall stems
- Water:Keep soil moist but not waterlogged
- Harvest:Cut flowers in summer when blooms open
- Best for:Beds, borders, cut flower gardens
Hollyhock 'Nigra' is a hardy biennial prized for its tall stems and rich, glossy deep maroon blooms. Perfect for adding a dramatic touch to cottage gardens, these flowers also attract pollinators and make beautiful cut flowers. Easy to grow and rewarding, they bring a timeless charm to your outdoor space.
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Grow in Your Garden
Calendar
How to Grow
Hollyhock 'Nigra' seeds can be sown outdoors in either spring or autumn, taking advantage of the sowing months from February to June and September to October. This biennial thrives in full sun and prefers well-drained soil to develop its striking deep chocolate maroon flower spikes in the second year.
Sowing
Sow the seeds singly in damp, well-drained soil and cover lightly with soil. To encourage germination, place the sown seeds in a sealed clear container in a sunny spot during the recommended sowing months.
Growing
Once seedlings emerge, thin them to allow enough space for growth, as Hollyhock 'Nigra' can develop tall flower spikes that benefit from spacing suited to a 40 cm pot size or garden bed. Providing support may be necessary to keep the tall stems upright during the growing months from May to August.
Plant care
Water the plants regularly to keep the soil moist but not waterlogged, especially during dry spells in the growing season. Deadhead spent flowers to encourage prolonged blooming and cut back after flowering to maintain plant health and appearance.
About Hollyhock 'Nigra'
Hardy biennial, pollinator-friendly, excellent for cut flowers
- Cut Flowers
- Pollinator-Friendly
- Pot Fans
- Fuss Free
History of Hollyhock 'Nigra'
Native to Turkey and parts of Asia, hollyhocks have been cultivated in Britain since the 16th century. The 'Nigra' variety stands out with its unique dark blooms, adding a modern twist to traditional cottage gardens.
| Other Names | Alcea rosea, Alcée Rose, Althaea ficifolia, Althaea rosea, Althea Rose, Hollyhock Flower, Malva, Malva Flower, Malvae Arboreae Flos, Passerose, Rose Mallow, Rose de Mer, Rose Papale and Rose Trémi |
|---|---|
| Pet/Baby Safe | Known to be toxic |
FAQs
Hollyhocks like 'Nigra' are biennials, flowering in their second year.
Sow seeds in spring or autumn, either indoors or directly outside, in a sunny, sheltered spot.
Hollyhocks come in many colours including pink, white, yellow and the deep maroon of 'Nigra'.