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How to Sow Flame Pansy Viola Seeds

Flame pansy (Viola x wittrockiana) is a striking variety known for its dark red, orange, and yellow flame-like blooms. This edible plant is perfect for hanging baskets, containers, and garden borders, adding a burst of colour from spring to autumn. With a compact growth habit, reaching 25 cm (10 inches) in height and producing flowers 7-10 cm (3-4 inches) wide, Flame pansies thrive in the UK climate and can tolerate milder winters when grown in sheltered areas.

When and Where to Sow Flame Pansy Seeds

Indoor Sowing: Start seeds indoors from late summer to early spring (August to March) for early blooms. Use seed trays or small pots and keep them in a warm, dark location for best germination results.
Outdoor Sowing: Direct sow outdoors from late spring to early summer (May to June) once the risk of frost has passed. Choose borders, pots, or hanging baskets in a sunny or partially shaded area.

Ideal Growing Conditions for Flame Pansies

Soil Requirements: Prefers light, well-drained, nutrient-rich compost or loamy garden soil. Avoid waterlogged conditions to prevent root rot.
Sunlight: Requires full sun to partial shade for optimal flowering.
Temperature: Ideal germination temperature: 17-24°C (63-75°F). Once established, pansies can tolerate cooler temperatures, making them suitable for UK gardens.

How to Sow Flame Pansy Seeds Indoors

Prepare Containers: Fill seed trays or pots with fine-grade, well-draining compost.
Sowing Depth: Sow seeds 1.3 cm (½ inch) deep and cover with a fine layer of compost.
Moisture and Humidity: Cover trays with polythene wrap or cling film to retain moisture and darkness.
Keep compost moist but not waterlogged.
Germination Conditions: Place in a warm, dark location at 17-24°C. Germination occurs within 10-20 days.
Thinning and Transplanting: Once seedlings reach 2.5 cm (1 inch) in height, remove the covering and move them to a warm, sunny location. When plants grow to 7.5 cm (3 inches), they are ready for acclimatisation.

How to Plant Out and Care for Flame Pansies

Acclimatisation: Harden off seedlings by gradually exposing them to outdoor conditions for two weeks before transplanting.
Planting Out: Transplant to borders, containers, or hanging baskets once the last frost has passed.
Spacing: Space plants 15-20 cm (6-8 inches) apart to allow for good airflow and healthy growth.
Watering: Keep soil evenly moist but well-drained, especially in dry periods.
Deadheading: Remove spent flowers regularly to encourage continuous blooming.

Common Questions About Growing Flame Pansy Viola

What is the best temperature for germinating flame pansy seeds? Flame pansy seeds germinate best at 17-24°C (63-75°F).
Can I grow flame pansies indoors? Yes, flame pansies can be grown indoors in pots or containers, as long as they are placed in a warm, sunny location after germination.
How long will it take for flame pansies to bloom? Flame pansies typically bloom 8 weeks after the last frost, provided they are sown early enough.

By following these steps, you can enjoy a vibrant display of flame-coloured pansies, adding warmth and brightness to flower beds, containers, and hanging baskets throughout the growing season.