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Highlights

Striking White Blooms – Masses of pure white flowers create a brilliant contrast against dark green foliage.
Long-Lasting Colour – Enjoy vibrant displays from late spring through early autumn.
Easy to Grow – Low-maintenance, ideal for both beginner and experienced gardeners.
Perfect for Containers & Baskets – Trailing habit makes them ideal for hanging baskets, window boxes, and pots.
Half-Hardy Annual – Suitable for planting after the last frost; thrives in UK gardens all summer.
Supplied as Plug Plants – Ready to pot on and establish quickly in your chosen location.

We're offering you a 30 or 60 Lobelia Fountain White Plants for £5.99, saving you up to 68% off Thompson and Morgan's's price of £18.99 (correct as of 24.02.2026).

Add elegance to your garden with Lobelia 'Fountain White'

Lobelia 'Fountain White' (Lobelia erinus) is a classic annual renowned for its delicate, pure white blooms and trailing habit. This variety is a favourite among UK gardeners for adding a frothy, cascading effect to containers, hanging baskets, and garden borders.

Why Choose 'Fountain White'?

Prolific Flowering: Produces a continuous flush of small, sparkling white flowers from late spring until the first autumn frosts.
Visual Impact: The crisp white petals stand out beautifully against rich green foliage, brightening up shady corners and sunny spots alike.
Versatile Use: Perfect for pots, troughs, window boxes, and as an edging plant in mixed beds.

Growing Guide

Planting Time: Pot on plug plants indoors or in a sheltered spot as soon as they arrive. Move outdoors after the last frost (typically late April to May in the UK).
Sunlight: Prefers full sun but will tolerate partial shade.
Soil: Thrives in moist, well-drained compost or garden soil. Avoid waterlogged conditions.

Caring for Your Lobelia

Watering: Keep soil consistently moist but not soggy. Water regularly during dry spells.
Feeding: Apply a balanced liquid fertiliser every two weeks to encourage lush growth and abundant flowering.
Pest & Disease: Generally pest-free; watch for slugs on young plants.

Design Tips & Companion Plants

Lobelia pairs beautifully with trailing petunias, alyssum, or fuchsias in mixed baskets.
Create bold contrasts by mixing with blue or purple lobelias.

FAQs

When is the best time to plant Lobelia 'Fountain White'?
The best time is after the last frost—typically late April to May in the UK.
How long does it flower?
This variety blooms from late spring until the first autumn frosts when regularly deadheaded.
Where should I plant these plug plants?
Lobelia thrives in containers, hanging baskets, and garden borders with moist but well-drained soil and plenty of sunlight.