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Lobelia sessilifolia

Lobelia sessilifolia
Blue Lobelia

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More information

Lobelia sessilifolia, with light violet flowers at the axil of the leaves.
Height at maturity
1.50 m
Spread at maturity
50 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -29°C
Soil moisture
Moist soil, Damp soil
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Recommended planting time February to April, September to November
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Flowering time June to September
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Description

From the stump, thick stems arise, upright and unbranched, bearing stiff linear and lanceolate leaves, horizontally arranged on the increasingly smaller stems towards the top.  These are medium green, transforming into a beautiful light orange-pink in autumn. The light violet flowers appear in the axils of the leaves in the upper part of the stems.

Lobelia sessilifolia in pictures

Lobelia sessilifolia (Flowering) Flowering

Flowering

Flower colour violet
Flowering time June to September

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

Height at maturity 1.50 m
Spread at maturity 50 cm
Growth rate normal

Botanical data

Genus

Lobelia

Species

sessilifolia

Family

Campanulaceae

Other common names

Blue Lobelia

Origin

Cultivar or hybrid

Product reference835311

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Available in 2 sizes

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From €4.90 8/9 cm pot

Planting and care

It is certainly the hardiest and most robust species of all. In our garden, it is magnificent, very tall, stands upright without support, blooms for a long time, and forms a large group of several square meters in heavy clay and moist soil at the edge of the stream, alongside Persicaria, Lythrum salicaria, Vernonia... .  This plant grows in sun and partial shade.

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Planting period

Recommended planting time February to April, September to November

Intended location

Type of use Border
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun, Partial shade
Soil pH Neutral
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Damp soil

Care

Overwinter Can be left in the ground

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