Plant Preorder For 2025

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Lobelia siphilitica

$1599
Shipping calculated at checkout.

This item is available for preorder only.

  • Pot Size: 5.25 Inch Square Pot
  • Common Name: Blue Cardinal Flower
  • Exposure: Full Sun to Partial Sun
  • Hardiness Zone: 5-9
  • Bloom Color: Blue
  • Bloom Time: Summer-Fall
  • Garden Height: 24-36 Inches
  • Garden Spread: 12-18 Inches

Brilliant blue-purple spikes of flowers appear in the summer and last until early fall. Hummingbirds, butterflies, and songbirds are attracted to the fabulous flowers. Has an excellent upright habit and rich green foliage. It is deer and rabbit resistant. Beautiful plant for the landscape. Native to the eastern U.S.

Uses: Bog, Borders, Mass Planting, Native, Cut Flower, Rain Gardens, Woodland Gardens
Nature Attraction: Bees, Butterflies, Hummingbirds
Critter Resistance: Deer, Rabbit
Growth Habit: Upright

Photo(s) courtesy of Swift Greenhouses, Inc.

Homeowner Growing Tips

Grow Lobelia in full sun or partial shade in fertile, reliably moist soil. Apply a mulch for the winter.

Delivery and Shipping

Our current processing time is 1-3 business days. See map at the bottom of the product page for transit time once shipped.

We guarantee our plants to arrive in acceptable condition. If there are any issues upon delivery, please email support@romencegardens.com within 48 hours and we will resolve the issue.

Available For Preorder Only

Plants will begin shipping March 31, 2025. See the map below for more accurate shipping times.

When Will My Order Ship?

Your order will be scheduled for shipment based on the last frost date in your area as indicated by this map and on the maturity of the plants themselves. If you would prefer a different ship date, please include that in the notes of your order.

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Lobelia siphilitica
Romence Gardens

Lobelia siphilitica

$1599
  • Pot Size: 5.25 Inch Square Pot
  • Common Name: Blue Cardinal Flower
  • Exposure: Full Sun to Partial Sun
  • Hardiness Zone: 5-9
  • Bloom Color: Blue
  • Bloom Time: Summer-Fall
  • Garden Height: 24-36 Inches
  • Garden Spread: 12-18 Inches

Brilliant blue-purple spikes of flowers appear in the summer and last until early fall. Hummingbirds, butterflies, and songbirds are attracted to the fabulous flowers. Has an excellent upright habit and rich green foliage. It is deer and rabbit resistant. Beautiful plant for the landscape. Native to the eastern U.S.

Uses: Bog, Borders, Mass Planting, Native, Cut Flower, Rain Gardens, Woodland Gardens
Nature Attraction: Bees, Butterflies, Hummingbirds
Critter Resistance: Deer, Rabbit
Growth Habit: Upright

Photo(s) courtesy of Swift Greenhouses, Inc.
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