How to Plant, Grow and Care for Cardinal Flower – Full Guide

Cardinal flowers need moist soil and partial shade to thrive. Ensure regular watering, especially during dry periods, and remove spent blooms to encourage continuous flowering.

Quick Cardinal Flower Insights

The Cardinal flower, with its vibrant red blooms, thrives in moist areas and attracts pollinators. It’s perfect for adding color to your garden.

Known Pollinators

Hummingbirds, butterflies, and bees love Lobelia cardinalis. Its flowers are perfect for hummingbirds' long beaks, while butterflies and bees enjoy the nectar too

Cardinal Flower Needs

Lobelia cardinalis thrives with balanced sunlight, water, and moist soil. With a bit of care, you'll enjoy its brilliant red, trumpet-shaped flowers.

Sunlight Preferences

Grow cardinal flowers in partial shade for best results. Provide 4-6 hours of sunlight daily for vibrant blooms. Morning sun, afternoon shade works well.

Climate and Temperature

Cardinal flowers thrive near water, preferring high humidity and moist soil. Monitor closely during heat waves and provide extra water.

Watering Frequency

Keep Lobelia cardinalis soil consistently moist, especially in hot weather. Water regularly to prevent drying out, increasing frequency during dry spells.

Ideal Soil Types

Plant Cardinal flowers in rich, well-drained soil for optimal growth. They thrive in loamy soil and can self-seed in moist conditions.

Feed and Fertilizer

Fertilize Cardinal plants when they bloom with compost or granular fertilizer. Apply balanced, slow-release fertilizer in spring for continuous growth.

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