We're offering you a Upto 42 Petunia 'Superbissima Plants for £6.99, saving you up to 42% off Thompson and Morgan's's price of £11.99 (correct as of 16.03.2026).

Transform Your Garden with Petunia 'Superbissima'

Petunia 'Superbissima' is an outstanding annual prized for its enormous exotic blooms. Each plant produces flowers up to 15cm (6") across, featuring ruffled petals and intricate veining—making them one of the largest-flowering petunias available. The vibrant colour mix of magenta, white, and pink with dramatic dark centres ensures your containers and borders burst with eye-catching summer colour.

Why Choose Petunia 'Superbissima'?

• Breathtaking Blooms: Oversized flowers create instant impact in any garden setting.
• Long-Lasting Display: Enjoy masses of flowers from late spring through early autumn.
• Lush Growth: Compact, bushy plants reach just 30-35cm (12-14"), making them ideal for baskets, window boxes, or patio pots.
• Easy Maintenance: These petunias thrive in full sun and are simple to care for—just water regularly and deadhead faded blooms to encourage more flowers.
• Versatile Planting: Use alone or pair with trailing lobelia or alyssum for layered container displays.

Growing Guide & Care Tips

• Sowing & Planting: Pot plug plants on arrival using quality multi-purpose compost. Grow indoors until all risk of frost has passed.
• Position: Prefers full sun but tolerates light shade. Place in well-drained soil or compost.
• Bedding & Containers: Plant out after the last frost—ideal between late April and early June in the UK.
• Watering: Keep soil moist but not waterlogged. Water containers daily in hot weather.
• Feeding: Apply a balanced liquid fertiliser every 1–2 weeks during the flowering period.
• Pest & Disease Resistance: Generally robust but watch for aphids; remove faded blooms to reduce risk of rot.

Create Stunning Displays

• Baskets & Window Boxes: Combine with trailing plants like bacopa or verbena for a lush effect.
• Borders & Edging: Mass plantings create bold swathes of colour along paths or beds.
• Pots & Patio Planters: Group several plugs together for maximum impact on patios or balconies.

FAQs

• When is the best time to plant these petunias?
  You should pot on arrival and plant outdoors after the last frost—typically late April to early June in the UK.
• How tall do Petunia 'Superbissima' plants grow?
  The plants reach a compact height of 30-35cm (12-14"), making them perfect for containers and baskets.
• What care do these plug plants need?
  Potted plugs need frost-free conditions until planting out. Water regularly, feed fortnightly, and deadhead spent blooms to keep flowers coming all summer.