Water Lobelia

Water Lobelia is a rare and protected native aquatic perennial in the UK, making it a special addition if sourced responsibly. It forms rosettes of submerged, linear leaves and sends up delicate spikes of pale blue to white, tubular flowers on emergent stems in summer. It thrives in very clear, nutrient-poor, acidic water of bogs and shallow ponds, indicating good water quality. This unique plant provides a subtle beauty and is a fascinating species for the conservation-minded gardener with specific conditions. It prefers full sun and acidic, sandy or peaty substrate.

Sun: Full sun.

Soil: Acidic, nutrient-poor sandy or peaty.

Hardiness: H6 — down to −20°C.

Flowering: Jul, Aug.