Great Blue Lobelia

Lobelia siphilitica

Grande Lobélie Bleue est un produit de semences de plantes sauvages Northern Wildflowers Le fichier
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Detailed plant guide
Advice adapted to Canada
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Genus Lobelia
Species Lobelia siphilitica
Type Semences de plantes sauvages
Cycle Vivace

Giant Blue Lobelia (Lobelia siphilitica) from Northern Wildflowers, a bright touch for your garden

Greater blue lobelia ( Lobelia siphilitica ) is an attractive perennial that’s great for adding color to your outdoor spaces. Its bright blue flowers, which bloom from July to September, attract a variety of pollinators, including hummingbirds and butterflies. This hardy plant, which can grow 2 to 3 feet (60 to 90 cm), prefers moist, well-drained soil and thrives in full sun to partial shade, making it a perfect choice for wetland gardens and river banks.

Height: 2 to 3 feet (60-90 cm)
Exposure: Full sun to partial shade
Soil: Moist, well-drained soils
Quantity per pack: Approximately 80 to 170 seeds
Companion plants: Asters, goldenrods, iris versicolor
Enemy Plants: None Specified

Cultivation method:

The large blue lobelia is ideal for gardens looking to attract wildlife while adding a splash of colour. It prefers moist, fresh soil and thrives in full sun or partial shade. For best results, sow seeds on the surface in well-drained soil, maintain regular irrigation during dry spells and avoid overly dry soils.

Its nectar-bearing flowers are particularly popular with pollinators, making it a great option for wildlife gardens. Although the plant is tolerant of varying soil conditions, it prefers a moist environment and well-drained soil to thrive.

A perfect addition to riverside gardens!

The large blue lobelia is not only a spectacular plant, but it also plays an important role in the ecosystem by attracting many pollinators. It is an excellent choice to beautify your wet meadows, garden borders or even your natural garden areas.

Image officielle de Grande Lobélie Bleue, Lobelia siphilitica, associée au petit sachet de semences.

Planting guide

From planting to establishment.

Growing method
Suivez les indications de semis propres à Grande Lobélie Bleue notamment la période la profondeur
Image officielle de Grande Lobélie Bleue, Lobelia siphilitica, associée au petit sachet de semences.

Garden associations

What to plant with it.

Grande Lobélie Bleue s’intègre à un projet adapté aux caractéristiques publiées pour ce produit Il