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Lobelia cardinalis 'Black Truffle'

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 Angela Treadwell-Palmer of Plants Nouveau.


North Creek Unique™ - This unique assortment has been discovered or introduced to the trade and shared with the world by North Creek Nursery.

Benefits

  • This is a magnate for hummingbirds and butterflies!
  • Stunning contrast between red flowers and almost black foliage
  • Great for borders, rain gardens, hummingbird gardens
  • A must have for butterfly gardens
  • May be used in sunny rain gardens
  • Deer resistant

Homeowner Growing and Maintenance Tips

Grow in average to moist soil in full sun to part shade. Grows best in wet, moist organically rich soil in shady areas. Mulch to keep soil moist.


Height
3-4 ft

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Spread
2-3 ft

USDA Hardiness Zone 5-9

Native Range

Wet meadows and stream banks; New Brunswick to Minnesota south to Texas and Florida.

Native Trivia

Lobelias are not true perennials because the flowering stem and its associated roots die after setting seed. However, new offsets grow from the axils of the lowermost leaves and quickly put down their own abundant white roots. May self-seed in optimum conditions.

Characteristics & Attributes

Sun
Butterflies
Deer Resistant
Wet Sun
Plan Sub Group
Medium to Tall Perennials
Soil
Heavy clay
Humus-rich
Wide soil tolerance
Soil Moisture Preference
Average
Moist
Moist but well-drained
Wet
Attracts Wildlife
Hummingbirds
Bloom Time
Late Summer
Habitat Collection
Butterfly
Native Habitat
Riparian, wetland
Foliage Color
Dark Green
Uses
Accent
Bog, water garden
Border
Naturalizes
Specimen
Native to
Alabama
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
District of Columbia
Florida
Georgia
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Nebraska
Nevada
New Jersey
New Mexico
New York
North Carolina
Ohio
Oklahoma
Pennsylvania
Rhode Island
South Carolina
Tennessee
Texas
Utah
Vermont
Virginia
West Virginia
Wisconsin