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Lobelia siphilitica Alba

White Cardinal Flower

Hardy Perennial

FROM £14.99

Tall spikes of pure white flowers

Shade tolerant

Ideal for damp borders bog gardens pondsides and woodlands

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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

Tall spikes of pure white flowers rise above the light green foliage of this hardy perennial throughout summer. Moisture loving Lobelia siphilitica f. albiflora 'Alba' is a handsome, statuesque plant that grows happily in sun or semi shade. This tall perennial makes a lovely addition to moist borders and bog gardens, or planted in the shallowest margins of ponds. Height: 120cm (47"). Spread: 30cm (12"). Planting depth: Zones 1 & 2 to 5cm (2") below water level.

Plant Size Height Up to 120cm (47in)
Spread Up to 30cm (12in)

Hardiness & Longevity Hardy Perennial

Ideal For cottage gardenswater gardenwoodland garden

Position In sun or semi shade

Flowering Months

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Codes
1 x 1 Litre Potted Plant (64346)
2 x 1 Litre Potted Plants (T64347P)

Grow Lobelia siphilitica in a sheltered position in sun or semi-shade on reliably moist, fertile soil. Lobelia copes well with boggy soils and can be planted at the edge of ponds and streams with the crown to a maximum depth of up to 5cm (2") below water level.

Cut back old lobelia foliage in autumn. Lobelia cardinalis is a short lived perennial - divide it every 2 years in spring to maintain its vigour. 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.

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