Lobelia Siphilitica Great Blue Lobelia

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Lobelia Siphilitica | Great Blue Lobelia

Lobelia Siphilitica, or the Great Blue Lobelia, is a showy perennial with lanceolate, light green leaves. The erect stems produce lavender-blue, tubular flowers crowded together on the upper part. The species name is based on the fact that it was a supposed cure for syphilis. Little maintenance is required. Trim to tidy but leave foliage to die back naturally to encourage winter bud formation.

Marginal plants are great for ponds, and will add colour, interest and wildlife habitat to your garden. Marginal pond plants like Lobelia Siphilitica, Great Blue Lobelia, make a wonderful and easy addition to any garden pond edge.

Where do you plant marginal pond plants?
Marginal Pond Plants, such as the Lobelia Siphilitica - Great Blue Lobelia can be placed in the shallow areas of a pond. This is usually around the edges, or margin, of the pond. Certain types of marginal pond plants can be planted out of the pond water in damp ground, ideal for a bog garden or water garden display.

For a guide to planting and maintaining marginal plants please click here.

Max. Height: 60-90cm
Growth Rate: Slow
Type: Freshwater Pond Marginal
Flowers: August - September
Position: Full sun to part shade
Planting Depth: 0-5cm

Please note: photo is for illustrative purposes and depending on time of year and growth rate may not reflect exactly what you receive. Pond Plants are shipped directly from the grower and are subject to a one-off £5.99 delivery surcharge regardless or order size/value. Please allow 3-10 working days for delivery on average.

pond plants guide

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