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Home>Flower bulbs, plants and seeds>Flower Plants>Herbaceous Border Plants

Lobelia speciosa Fan Blue

Cardinal Flower

Hardy Perennial

FROM £14.99

Spikes of vivid purple-blue flowers

Perfect for a moist border or around pond edges

Tough reliable and low maintenance

Delivery Information View Product Description

Choose available pack sizes:

2 x 1 Litre Potted Plants

£24.99

1 x 1 Litre Potted Plant

£14.99

Description How to Grow More Info Delivery

This magnificent hardy perennial makes a fabulous addition to moist borders, bog gardens or pondside planting. Tall spires of three-lipped, tubular flowers in vivid purple-blue rise above dark green, purple-tinged foliage from midsummer to early autumn. Tough, reliable and low-maintenance, Lobelia speciosa ‘Fan Blue’ adapts well to permanently boggy ground, though does equally well in average conditions so long as the soil remains moist. The blooms are attractive to butterflies and makes a great cut flower. Height: 60cm (24"). Spread: 30cm (12").

Please note: All parts are toxic. The milky sap can irritate skin.

Plant height and spread is seasonal therefore we list by pot size rather than a defined plant size. The height and spread of the plant delivered will vary depending on the season, meaning arrival images are an indication only.

Plant Size Height Up to 60cm (24in)
Spread Up to 30cm (12in)

Hardiness & Longevity Hardy Perennial

Ideal For cottage gardenswater gardenwildlife gardensexotic gardencut flower garden

Position In sun or semi shade

Flowering Months Harvest Months

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Codes
1 x 1 Litre Potted Plant (KA5793)
2 x 1 Litre Potted Plants (T64351P)

Grow Lobelia x speciosa in a sheltered position in sun or semi-shade on reliably moist, fertile soil. Lobelia speciosa copes well with boggy soils and can be planted at the edge of ponds and streams.

Cut back old lobelia foliage in autumn and apply a dry mulch of bark chips or straw to protect the crown of the plant during winter. Caution: irritant to skin and eyes.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.