Lobelia × speciosa ‘Hadspen Purple’ ®, a perennial hybrid Lobelia derived from North American species, is distinguished by its upright spikes of deep, vivid purple flowers. Its vertical habit, green foliage with slight purple tones and late-season flowering bring colour and structure to borders in late summer. Unlike compact annual Lobelias, this selection forms a hardy perennial crown and performs best in soils that remain consistently moist.
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Packaging
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Packaging
GT9
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Available quantity 282 | Dispo à partir de Immédiat | Sold by min 10 |
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Characteristics of Lobelia × speciosa ‘Hadspen Purple’ ®
Lobelia × speciosa ‘Hadspen Purple’ ® is an upright perennial forming a clump approximately 60 cm high and 45 cm wide. Its lance-shaped green leaves, often tinged with purple, are carried on sturdy stems topped by terminal clusters of intense purple flowers. Flowering occurs mainly from July to September, making this selection particularly valuable for late-summer planting schemes. The plant is hardy to around -15°C. Its aerial growth dies back significantly during winter before regrowing from the crown in spring.
How to use Lobelia × speciosa ‘Hadspen Purple’ ®?
Lobelia × speciosa ‘Hadspen Purple’ ® is particularly suitable for perennial borders, mixed borders and plantings near pond margins or other areas where the soil retains regular moisture. Its upright habit adds vertical structure without taking up excessive width. It can be planted in groups to strengthen the visual impact of its purple flower spikes or combined with ornamental grasses, asters and other late-summer perennials. It also works well in informal planting schemes. Cultivation in a large container is possible, provided the growing medium is kept sufficiently moist throughout the active growing season.
What are the best cultivation tips for Lobelia × speciosa ‘Hadspen Purple’ ®?
Plant Lobelia × speciosa ‘Hadspen Purple’ ® in full sun or partial shade, in deep, fertile, moisture-retentive but well-drained soil. The soil should not be allowed to dry out for prolonged periods during summer. Allow approximately 40 to 45 cm between plants, equivalent to around 5 plants/m². Water regularly after planting and increase irrigation during hot, dry periods. An application of mature compost in spring can support new growth. Remove faded flower stems in autumn and apply a dry mulch around the crown in colder areas. Established clumps can be divided in spring every two to three years.
