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RedCrocus Blue Cardinal Flower Lobelia siphilitica- Vibrant Blue Perennial for Pollinators, Borders, and Containers- Hardy in Zones 3-9 1 Gallon (Pack of 2)

RedCrocus Blue Cardinal Flower Lobelia siphilitica- Vibrant Blue Perennial for Pollinators, Borders, and Containers- Hardy in Zones 3-9 1 Gallon (Pack of 2)

$76.00 USD
$98.80 USD $76.00 USD
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Pot Size

Blue Cardinal Flower Lobelia siphilitica

Description

A vibrant perennial with tall spikes of bright, tubular blue flowers blooming from late summer to early fall. Its lush green foliage provides an attractive backdrop for the showy blossoms.

Suggested Uses

Ideal for cottage gardens, border plantings, woodland gardens, and pollinator-friendly landscapes. Its striking blue blooms attract hummingbirds, butterflies, and bees.

Plant Details

  • Botanical Name: Blue Cardinal Flower Lobelia siphilitica
  • Common Name: Blue Cardinal Flower
  • Size & Growth: Typically 2-3 feet tall with a spread of 1 foot. Upright growth habit.
  • Hardiness Zones: 3-9
  • Foliage Type: Deciduous, lance-shaped green leaves
  • Bloom Time: Late summer to early fall
  • Growth Rate: Moderate
  • Light Requirements: Full sun to partial shade
  • Attracts Pollinators: Yes, including hummingbirds and butterflies
  • Indoor Friendly: No
  • Container Friendly: Yes, suitable for large containers
  • Deer Resistant: Yes
  • Pet Warning: Toxic if ingested in large quantities
  • Fragrant: No
  • Cut Flower: Yes, for floral arrangements
  • Grows Well With: Ferns, hostas, and other shade-loving perennials

Care Tips

  • Planting Instructions: Plant in well-drained soil in a location with full sun to partial shade. Space plants about 12-18 inches apart.
  • Soil Moisture: Keep soil consistently moist, especially during dry spells.
  • Soil Type: Prefers rich, loamy soil with good drainage.
  • Humidity: Prefers moderate humidity environments.
  • Pruning Instructions: Remove dead or faded flowers to encourage further blooming.
  • Winter Care: Mulch in colder zones; plant is hardy to zone 3.
  • Planting Depth: Set root ball at soil level ensuring proper contact with soil.
  • Fertilization: Apply a balanced fertilizer in early spring and mid-season.
  • Special Care: Avoid harsh direct afternoon sun in very hot climates to prevent stress.
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