Lobelia gerardii ‘Vedrariensis’ / P9

Lobelia Vedrariensis is an upright perennial with deep violet-purple flower spikes and dark green, sometimes red-tinged leaves. It adds late-season colour to moist borders and the edges of a bog garden.

Why we like it

• Rich purple flower spikes.
• Summer and autumn colour.
• Useful in moisture-retentive planting.

What to know

• Grow in sun or partial shade.
• Keep the soil consistently moist.
• Water during dry spells; avoid a dry root zone.
• Remove faded stems after flowering.
• Mulch the crown for winter protection in colder gardens.

Flower colour

Deep violet-purple.

Flowering months

Late summer to early autumn.

Height and spread

Height: about 90 cm; mature spread: 1050 cm.

Illustrative flowering image: David J. Stang, CC BY-SA 4.0, unmodified.