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Lobelia cardinalis 'Black Truffle' (cardinal flower)

Lobelia cardinalis 'Black Truffle' PP25687

cardinal flower

Wonderful in the perennial border and perfect for rain gardens, this cardinal flower is sure to stand out with its dramatic, dark chocolatey-purple foliage and bold red flowers. Superior to other dark-foliaged Lobelias on the market, 'Black Truffle' holds this deep color throughout the growing season. A magnet for hummingbirds and butterflies all summer, but deer tend to leave it alone. Introduced by Peter Heus and brought to market by Plants Nouveau.

SIZE
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Height

3-4 Feet

Spread

2-3 Feet

Spacing

12-18 Inches

Bloom Color

Red

USDA Hardiness Zone 5-8

cardinal flower Interesting Notes

Never, has a true, native cardinal flower been available with such deep, dark foliage and bright red flowers. The combination is stunning! We are happy to be working with native plantsman, extraordinaire, Peter Heus from West Virginia on this exciting new introduction. Black Truffle was selected for its nearly black foliage and bushy, upright habit. It’s a hummingbird magnet and so much more. If you’ve ever dreamed of a perennial coleus – this plant is your dream come true.

The foliage emerges nearly black with an oil-slick looking sheen to it. As the summer months go on and the heat turns up, the foliage turns shiny maroon and stays that way until the cardinal red flowers appear. The foliage lasts from May to a hard frost and will give you months of enjoyment as the hummingbirds and butterflies frequent it often. - Plants Nouveau

Good Substitutions

great blue lobelia Lobelia siphilitica
cardinal flower Lobelia cardinalis

Key Characteristics & Attributes

Full Sun
Full Sun
Part Sun
Part Sun
Moist
Moist
Summer
Summer
Pollinator-friendly
Pollinator-friendly
Deer Resistant
Deer Resistant
Hummingbird-friendly
Hummingbird-friendly
Songbird-friendly
Songbird-friendly
Cut Flower
Cut Flower

Additional Information

Soil Moisture Needs
Wet
Average
Plug Type
Horticultural Plug
Green Infrastructure
Bioretention/Rain Garden
Woodland
Attributes
Native to North America
Ornamental Foliage
Propagation Type
Tissue culture