Grow Lobelia cardinalis 'Black Truffle' (Cardinal Flower 'Black Truffle') where the soil stays consistently moist. This striking perennial pairs deep burgundy foliage with showy, cardinal-red flower spikes that light up late-summer and fall gardens and draw in hummingbirds and butterflies.

Give it rich soil and steady moisture; it performs especially well near ponds, along streams, in rain gardens, and anywhere that can stay medium-wet to wet. Sun to part shade works well, and filtered light is often ideal in hotter climates.

Mature size is typically 36-48 inches tall with a spread around 24-36 inches. Space plants so air can move through the stems, and mulch to help keep roots cool and evenly moist.

Water during dry spells so the root zone never fully dries. After flowering, you can leave some stems to set seed if you want natural reseeding. In cold winter areas, a light mulch helps protect the crown.

Specifications

• Cold hardiness zone: 3-9 (-40 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun
• Mature height: 36-48"
• Spread: 24-36"
• Tolerant of: Wet Conditions
• Attracts: Butterflies, Hummingbirds
• Long bloom time: Yes
• Native to the U.S.: Yes

Shipping

FREE SHIPPING - Classy Groundcovers offers free shipping, and your plants never spend more than three days in transit.

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Shipping information that applies to all plants:
- You May Specify Your Shipping Date
- Lookup Shipping Date and Tracking Information
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Care