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Cardinal Flower

Thrives in moist, shady conditions

Supports local pollinator populations effectively

Low maintenance, hardy perennial plant choice

$6.79

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The cardinal flower, also known as Lobelia cardinalis, is a herbaceous perennial that puts on a show! This native plant with bold scarlet red flowers makes a statement and complements any garden. It is gorgeous when mixed with heuchera, ferns, and swamp milkweed. It is a pollinator favorite, especially for hummingbirds and butterflies.

Plant Details - Lobelia Cardinalis

Family: Bellflower (Campanulaceae)

Light Requirement: Full

Water Needs: Moist

Height: 3-4 ft.

Spread: 1-2 ft.

Bloom Time: Summer

Flower Color: Red

Wildlife Value: Attracts bees, butterflies

Landscape Uses and Maintenance 

The Lobelias grow near shaded streams naturally, so they will enjoy growing in wetter places in your garden. Keep them consistently moist and do not allow them to dry out.

As it prefers the shade to sunny areas, it brightens any dark corner with its stunning scarlet blooms that will impact your garden. As an upright and stately perennial, this flower is a delight to the eye and will be a stunner in your garden for years to come.

Not a one-hit wonder, this red cardinal flower is truly versatile! Put it in your border, pollinator garden, rock garden, or meadow. It is a low-maintenance plant that will not need much direct care. Water deeply when first planting. Water during droughts.

If you want to give your new plants an extra treat, you can top dress the soil around them with compost or leaf mold to improve soil structure or add organic matter. Make sure to give this plant some space around each clump, especially around its leaves, to prevent fungal issues. Treat with an organic fungicide should issues arise.

Noteworthy Characteristics of Red Cardinal Flowers

The cardinal flower is a magnet for many hungry pollinators, including hummingbirds, bees, and butterflies that enjoy the nectar from its flowers. Deer and rabbits will avoid this plant.

Have you been looking for an easy-to-propagate plant? This is the one! It will readily self-seed and spread slowly in your garden, without being invasive. You can leave spent, fertilized blooms to turn into seedpods that will allow the seed to fall when mature. If you do not want this plant to spread, simply deadhead the spent blooms.

Exposure

The Cardinal Flower (Lobelia cardinalis) thrives in partial to full sun but also appreciates some shade, especially in hot climates. It prefers bright, indirect light to ensure vibrant blooms and robust growth.

Height at Maturity

Over 12"

Usage

Pollinator Plant

Shipped As

Bare-root

Ships

USPS

Planting Zones

3-9

How To Grow & Care Tips

How to Grow and Care for Bare Root Perennials, Tubers, and Bulbs

Bare root perennials, tubers, and bulbs are an easy and economical way to jumpstart your garden with lasting beauty. These dormant plants should be planted in early spring or fall while the soil is cool and workable. Before planting, soak bare roots in water for 1–2 hours to rehydrate them. Choose a location based on the plant’s light needs—most flowering types prefer full sun, while others thrive in partial shade.

For bare root perennials, dig a shallow hole and spread the roots out naturally, ensuring the crown is level with the soil surface. For tubers and bulbs, plant with the pointed side facing up at a depth about two to three times their height. Cover with soil, gently press down, and water thoroughly.

Keep soil consistently moist (not soggy) until new growth appears. Add mulch to retain moisture and suppress weeds, but avoid covering the crown or bulb tops. Once established, these plants require little maintenance—just seasonal watering, occasional dividing, and deadheading or pruning as needed. With proper care, they’ll return and thrive year after year.

Caring Tips

How do I care for my Cardinal Flower?

Each box contains detailed care instructions and information about your product. But here's the basics.

Care Tips

Cardinal Flower (Lobelia cardinalis) thrives in moist, well-drained soil with consistent moisture. Keep the soil consistently wet and mulched to retain moisture. Fertilize lightly in early spring. Remove spent flowers to promote more flowers and prevent self-seeding.

Light Requirements

The Cardinal Flower (Lobelia cardinalis) thrives in partial to full sun but also appreciates some shade, especially in hot climates. It prefers bright, indirect light to ensure vibrant blooms and robust growth.

Hardy Planting Zones

2 • 3 • 4 • 5 • 6 • 7 • 8 • 9

Customer Reviews

Based on 89 reviews
72%
(64)
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(16)
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R
Ramona Cox
Very pleased

I received 4 cardinal cut plants in great condition! This was a replacement order from a previous order that wasn’t good plants upon arrival. *please note that isn’t a complaint! I’ve placed several orders & this was my first issue! All plants I’ve ordered are doing very well. Easy to work with if there’s an issue with orders; I sent pictures via email & received store credit. I did have to pay shipping again it is however fairly good prices so I didn’t mind that much. They have good sales often as well

H
Helen Aylward
Healthy plants

I cannot wait till next summer to see these cardinal flowers brighten up my front yard. The plants arrived well packed and ready to plant.

G
Guest Customer
The Red Cardinal

Liked the information for plants, good for the nonprofessional gardener.

C
Christopher Adams
Excellent Buy

My Cardinal Flower is doing amazing. It arrived quickly, was packaged carefully, and is already attracting butterflies and hummingbirds.

D
David Miller
Perfect Addition to My Garden

The plants arrived healthy and strong. Within weeks, they were blooming beautifully. Couldn’t be happier with my purchase.