We're offering you a Garden Ready Lobelia Monsoon Plants for £8.99, saving you up to 47% off Thompson and Morgan's's price of £16.99 (correct as of 18.06.2025).

Exceptional Flower Power

Lobelia 'Monsoon' is a vibrant trailing annual celebrated for its exceptional flower power and striking sapphire-blue blooms. Belonging to the Campanulaceae family, this variety delivers a stunning waterfall of colour all summer long, making it a favourite for UK gardens seeking effortless impact.

• Botanical Name: Lobelia erinus 'Monsoon'
• Flower Colour: Intense sapphire-blue
• Growth Habit: Trailing, ideal for baskets and containers
• Flowering Period: June to September
• Mature Spread: Up to 30cm (12in)

Why Choose Lobelia 'Monsoon'?

• Dazzling Display: Each plant produces thousands of small blooms, creating a dense cascade of colour.
• Low Maintenance: Adaptable and forgiving—simply water regularly and deadhead spent flowers to prolong blooming.
• Biodiversity Boost: Flowers attract bees and butterflies, supporting local pollinators.

Planting & Care Guide

• Planting Time: Plant out after the last frost, typically from late April through May.
• Sun/Shade: Prefers full sun but tolerates light shade.
• Soil Type: Moist but well-drained soil; neutral to slightly acidic pH preferred.
• Watering: Keep soil consistently moist but not waterlogged—especially in containers.
• Pest & Disease: Generally trouble-free; watch for slugs in damp conditions.

Design Ideas & Companion Planting

• Create vibrant hanging baskets by pairing with petunias or trailing verbena.
• Add to mixed containers alongside fuchsias or begonias for contrasting colour and texture.
• Borders benefit from Lobelia's ability to fill gaps and soften edges with lush trailing foliage.

FAQs

• When is the best time to plant Lobelia 'Monsoon'?
  The best time is after the last frost in spring—typically late April to May in the UK.
• How long does it flower?
  Lobelia 'Monsoon' blooms from June until September with regular deadheading and watering.
• Can I grow it in shade?
  Lobelia prefers full sun but will tolerate light shade. Flowering may be reduced in deeper shade.