Highlights

Striking Scarlet Blooms – Vibrant red flowers appear late summer, brightening fading borders.
Unique Foliage – Dark maroon leaves provide colour and texture even when not in bloom.
Moisture-Loving – Thrives in damp soils; ideal for pond edges or water features.
Easy to Grow – Minimal care required; suitable for both beginners and experienced gardeners.
Mature Size – Grows up to 90cm tall with a 30cm spread, perfect for adding height and drama.
Supplied as Plug Plants – Ready to pot on or plant out for quick establishment.

We're offering you a 30 or 60 Lobelia Queen Victoria Plants for £7.99, saving you up to 47% off Thompson and Morgan's's price of £14.99 (correct as of 13.04.2026).

Scarlet Blooms

Lobelia cardinalis 'Queen Victoria' is a dramatic perennial known for its vivid scarlet flower spikes and striking dark maroon foliage. Native to North America, this variety stands out in late summer when many garden plants begin to fade, making it a favourite among gardeners seeking lasting colour and interest.

Flowering Period: Enjoy a spectacular display from July through September.
Mature Size: Reaches up to 90cm in height and spreads to approximately 30cm.
Foliage: Deep maroon leaves add visual intrigue even outside the blooming season.

Growing Guide

Soil: Prefers moist, fertile soils—perfect beside ponds, streams, or bog gardens.
Light: Grows best in full sun to partial shade.
Hardiness: Hardy in most UK regions (RHS H5); protect roots from severe frost with mulch.
Watering: Keep soil consistently moist; do not allow to dry out, especially in summer.

Planting & Care

Planting Time: Best planted from spring through early autumn when the soil is workable.
Spacing: Allow at least 30cm between plants for healthy growth and airflow.
Pruning: Cut back flower stems after blooming to encourage fresh growth. Remove old foliage in late winter or early spring.
Feeding: Apply a balanced fertiliser in spring as new growth appears.

Design Tips & Companions

Adds height and drama to mixed borders, bog gardens, or pond margins.
Pairs beautifully with Astilbe, Iris sibirica, and Hostas—plants that also enjoy moist conditions.
Create a layered effect by planting in groups for maximum visual impact.

FAQs

When is the best time to plant Lobelia Queen Victoria?
The best time is spring or early autumn when the soil is moist and workable.
How tall do these plants grow?
Lobelia Queen Victoria typically reaches up to 90cm in height with a spread of about 30cm at maturity.
Does this plant require special care?
No—simply keep the soil moist and provide some protection from severe frost. It thrives with minimal maintenance!