Northern Wildflowers

Great Blue Lobelia

Lobelia siphilitica

Northern Wildflowers Great Blue Lobelia is a plant seed product The file
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Product information
Advice adapted to Canada
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Discover the plant

Common nameGreat Blue Lobelia
GenusLobelia
SpeciesBlue Cardinal Flower
TypeWild plant seeds
Botanical nameLobelia siphilitica

Great Blue Lobelia Lobelia siphilitica is a wild plant seed product offered by Northern Wildflowers. Giant Blue Lobelia Lobelia siphilitica from Northern Wildflowers is a vibrant addition to your garden. Great Blue Lobelia Lobelia siphilitica is an attractive perennial ideal for bringing 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 robust plant, which can reach 2 to 3 feet (60 to 90 cm), prefers moist, well-drained soil and thrives in full sun or partial shade, making it a perfect choice for wetland gardens and riverbanks.

For sowing, follow the depth, period, pretreatment, and duration indicated on the product packet. Keep the seedbed consistently moist during germination without saturating it, then adjust watering according to observed conditions. Careful soil preparation, good contact with the substrate, and constant monitoring promote uniform establishment. Keep the packet closed in a cool, dry, and dark place until sowing time. For sowing, follow the depth, period, pretreatment, and duration indicated on the product packet.

The supplier associates this product with native flora. The published information associates it with pollinating insects. Keep the seedbed consistently moist during germination without saturating it, then adjust watering according to observed conditions. Careful soil preparation, good contact with the substrate, and constant monitoring promote uniform establishment. Keep the packet closed in a cool, dry, and dark place until sowing time. Keep the seedbed consistently moist during germination without saturating it, then adjust watering according to observed conditions.

In the garden

Life cycle
Hardy perennial

Sowing guide

Sowing & germination

Growing method

Follow the planting instructions specific to Great Blue Lobelia, especially regarding the period and depth.
Image officielle de Grande Lobélie Bleue, Lobelia siphilitica, associée au petit sachet de semences.

Garden associations

Companion plants & uses

Garden use

Great Blue Lobelia fits into a project tailored to the published characteristics for this product. It

Wildlife and pets

Wildlife & precautions

Native plant

Yes

Seed-starting essentials