How to Sow and Grow Black Velvet Pansy Seeds in the UK

Black Velvet Pansies are an extraordinary variety, known for their deep, velvety black blooms with no central eye. Perfect for adding drama to gardens, borders, and containers, they’re also fully edible, making them ideal for salads, desserts, cocktails, and baking decorations. These hardy flowers thrive in the UK and, with proper care, provide continuous blooms from early spring to autumn.

Why Grow Black Velvet Pansies?

• Unique Colour: The almost pure black flowers add elegance and contrast to any garden.
• Edible Blooms: All parts of the pansy are edible, suitable for culinary uses and decorative garnishes.
• Versatility: Ideal for flower beds, hanging baskets, containers, and as indoor decorative plants.
• Hardiness: Can survive mild frosts, making them a long-lasting and reliable choice for UK gardens.

When and Where to Sow Black Velvet Pansy Seeds

• Indoor Sowing: Start seeds indoors 6–8 weeks before the last frost (from February to early April).
• Outdoor Sowing: Sow directly outdoors from mid-March to May, once the risk of frost has passed.
• Ideal Conditions: Pansies prefer cool temperatures between 15–21°C (59–70°F) and can tolerate partial shade or full sun in cooler climates.

Step-by-Step Guide to Sowing Black Velvet Pansy Seeds

Indoor Sowing Steps

1. Containers: Use seed trays or small pots filled with high-quality, fine seed compost.
2. Sowing Depth: Sow seeds on the surface of the compost and cover lightly with 1/16″ (1 mm) of compost.
3. Darkness Requirement: Black velvet pansy seeds require darkness to germinate. Cover the trays or pots with black polythene or plastic wrap to block out light.
4. Temperature: Maintain a consistent temperature between 15–20°C (59–68°F).
5. Moisture: Keep the soil moderately moist but not waterlogged. Mist with water as needed to maintain moisture levels.

Outdoor Sowing Steps

1. Soil Preparation: Loosen the soil and work in compost or organic matter to improve fertility and drainage.
2. Sowing Depth: Sow seeds on the surface of the soil and cover with a fine layer of compost or soil.
3. Watering: Water gently to settle the seeds and ensure moisture during the germination period.
4. Germination Period: Germination typically occurs within 10–20 days under optimal conditions. Maintain moisture and warmth during this period to support seed development.

Transplanting and Spacing

• Indoor Seedlings: Once seedlings have developed 2–3 sets of true leaves, they can be transplanted to their final growing location.
• Spacing: Space plants 15–20 cm (6–8 inches) apart to allow sufficient airflow and growth.
• Hardening Off: Gradually acclimate indoor-grown seedlings to outdoor conditions by placing them outside for a few hours each day over a week.

Caring for Black Velvet Pansy Plants

• Watering: Keep the soil evenly moist but avoid overwatering, as this can lead to root rot.
• Feeding: Apply a balanced liquid fertilizer every 2–3 weeks during the growing season to promote abundant blooms.
• Deadheading: Regularly remove spent flowers to encourage continuous blooming.
• Protection: In colder climates, use a layer of mulch to protect the roots during winter.

Harvesting and Using Black Velvet Pansies

• Edible Uses: Pick flowers when fully open for use in salads, desserts, cocktails, and cakes.
• Harvesting Tips: Use scissors to cut the flowers at the base, avoiding damage to the plant.

Common Questions About Growing Black Velvet Pansies

• Are all parts of pansies edible? Yes, the flowers, stamen, pistil, and sepals are all safe to eat, making them a perfect addition to kitchens and gardens.
• Can pansies grow indoors year-round? Yes, as long as they receive sufficient light and warmth. Place them on a sunny windowsill or under grow lights for optimal growth.
• How do I maintain the deep black colour of the blooms? To promote deeper colour development, ensure the plants receive partial shade during peak heat and maintain nutrient-rich soil.

By following these steps, you can successfully grow Black Velvet Pansies and enjoy their striking blooms and culinary versatility. Whether in your garden or on your plate, these dramatic flowers are sure to impress!

Frequently Bought Together