Cardinal Flower Seeds: Create a Hummingbird Paradise

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Grow Cardinal Flower Seeds for striking red blooms that add dramatic flair and attract wildlife to your garden sanctuary.


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Cardinal Flower Seeds

Elevate your garden’s aesthetic with Cardinal Flower Seeds. Known scientifically as Lobelia cardinalis, this perennial is coveted for its show-stopping spikes of vivid red flowers that attract hummingbirds and butterflies alike. These seeds grow into plants that are not only beautiful but also robust, preferring wetter environments where they can stand tall and add a splash of color to any garden. They are also a magnet for hummingbirds and other pollinators.

Light Required
Cardinal Flowers flourish under full sun to partial shade. They demand at least 4 to 6 hours of sunlight daily to develop their iconic red blooms fully. In too much shade, they may not bloom as vigorously.

Mature Height
Once established, the stalks of Cardinal Flower plants can reach a height of 2 to 4 feet, making them an excellent choice for adding vertical interest to garden beds and borders.

Bloom Time
The blooming period for Cardinal Flowers is typically from midsummer to early fall, providing a long-lasting display of color when many other perennials have ceased blooming.

Flower Color
Cardinal Flowers are renowned for their vibrant scarlet red blooms, which stand out against the lush greenery of their foliage, creating a striking contrast.

Sow the tiny, dust-like, Cardinal Flower Seeds on the surface of moist soil and do not cover them, as light aids in germination. Keep the soil consistently moist until germination occurs, which is usually within 14 to 21 days. Cold stratification of the seeds will help with germination. Plants started from seed will bloom the second year.

Hardiness Zone
Cardinal Flower is suited for USDA Hardiness Zones 3 through 9. They are winter hardy and can survive cold temperatures, returning each year with the right care.

Cardinal Flower Seeds give rise to striking red blooms that bring life to gardens and attract pollinators, flourishing in full sun to partial shade and wetter soils.


Lobelia cardinalis




Full Sun, Part Shade


Summer to Fall








Don't cover, needs light to germinate


Prefers moist soil


3 to 9


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