
Photos are representative and may not match your specific variety.
Cardinal Flower
Native wildflowerLobelia cardinalis
- Partial sun
- Zones 3–9
- 60 days to maturity
- Flowers
- 12" spacing
- Moderate water
- pH 6–7.5
Overview
Nature's most brilliant red wildflower creates an unforgettable display with its intense scarlet blooms that seem to glow in shade gardens. This native beauty is a hummingbird magnet, drawing ruby-throated hummingbirds from miles around with its tubular flowers perfectly designed for their long beaks. Thriving in moist soils where many plants struggle, it brings vibrant color to pond edges, rain gardens, and woodland borders.
Planting
Start seeds indoors 10-12 weeks before last frost. Surface sow on moist soil, do not cover.
Growing
Sun: partial. Water: moderate. Soil pH: 6–7.5. Space plants 12" apart. Germination: 14-21.
Pests & diseases
Common pests: Slugs, snails, aphids. Common diseases: Crown rot if soil drainage is poor, leaf spot.