Botanical Name

Lobelia cardinalis

Commonly known as Cardinal Flower

Lobelia cardinalis (Cardinal Flower)
Perennial

Screaming scarlet spikes. The most vivid red in the native plant world.

Quick Reference
Bloom Season
Jul to Sep
USDA Zones
3-10
Sun
Part Sun or Part Shade
Water
High - consistently moist
Mature Height
2-4'
Bloom Colors
Red
Pollinator Friendly Native Species Hummingbird Magnet
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Companion plants, planting tips, FAQ, and more

About This Name

Lobelia cardinalis is the scientific name used by botanists, nurseries, and seed catalogs to identify Cardinal Flower unambiguously. The genus Lobelia places it within a specific plant family, and using the botanical name avoids the confusion that comes with regional common names. If you're shopping for Cardinal Flower, looking up plant care details, or comparing varieties, searching by Lobelia cardinalis will give you the most precise results.