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Blue Cardinal Flower - Lobelia siphilitica

Blue Cardinal Flower - Lobelia siphilitica


•Status in Florida: Native to the US

•Size at Maturity: Blue Cardinal Flower typically grows as a perennial herbaceous plant, reaching heights of about 2 to 4 feet tall.

•Phenology: Perennial herb with striking blue flowers that bloom in late summer to early fall.

•Life Cycle: Perennial

•Bloom Season: Late summer to early fall

•Deciduous, Dioecious, Evergreen: Deciduous

•Sunlight Requirements: Partial shade to full sun

•Soil Texture: Moist, well-drained soils; tolerant of various soil types

•Soil pH: Tolerant of a wide range, but prefers slightly acidic to neutral (pH 5.5-7.0)

•Moisture Requirements: Moist to wet soil; often found growing in marshes, wet meadows, and along stream banks

•Tolerance to Salt Spray: Low tolerance

•Recommended Landscape Uses: Blue Cardinal Flower is ideal for rain gardens, bog gardens, or other moist, naturalized areas in the landscape. It adds a splash of vibrant color to shady or partially shaded areas.

•Maintenance Tips: Provide consistent moisture, especially during dry periods, to keep the soil consistently moist. Deadhead spent flowers to promote continued blooming and prevent self-seeding if desired.

•Considerations: Blue Cardinal Flower is highly attractive to pollinators such as hummingbirds, butterflies, and bees, making it a valuable addition to wildlife gardens.

•Deer and/or Rabbit Resistance: Moderately resistant; deer and rabbits may occasionally browse on Blue Cardinal Flower, but they are not typically preferred by these animals.

•Edible: While not typically consumed by humans, Blue Cardinal Flower is not considered edible and should not be ingested.

•Medicinal Uses: Historically used by Native American tribes for various medicinal purposes, although specific uses may vary.

•Toxicity to Pets: Blue Cardinal Flower is considered toxic if ingested, and caution should be exercised if planting in areas accessible to pets.

•Florida Native Companion Plant: Blue Cardinal Flower can be paired with other native plants such as Joe-Pye Weed (Eutrochium spp.) and Swamp Milkweed (Asclepias incarnata) to create a vibrant and ecologically beneficial landscape.

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