North America Native Plant

Lobelia

Botanical name: Lobelia ×speciosa var. occidentalis

USDA symbol: LOSPO

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Lobelia: A Native Gem for the American Garden Meet Lobelia ×speciosa var. occidentalis, a charming native perennial that’s quietly making its mark across the American heartland. While this particular variety of lobelia might not be splashed across every garden center display, it represents something special: a truly native plant that ...

Lobelia: A Native Gem for the American Garden

Meet Lobelia ×speciosa var. occidentalis, a charming native perennial that’s quietly making its mark across the American heartland. While this particular variety of lobelia might not be splashed across every garden center display, it represents something special: a truly native plant that has evolved alongside our local ecosystems for thousands of years.

What Makes This Lobelia Special?

This lobelia is what botanists call a hybrid variety – that little × in the name gives it away! As a perennial forb, it’s an herbaceous plant that comes back year after year without developing woody stems like shrubs or trees. Think of it as nature’s way of creating a reliable garden companion that knows how to survive our climate because it belongs here.

What’s particularly intriguing about this variety is its classification as var. occidentalis – essentially the western variety. This suggests it has adapted to the specific growing conditions of its native range, making it potentially more resilient than non-native alternatives.

Where Does It Call Home?

This native beauty has staked its claim across three states in the American heartland: Colorado, Kansas, and Oklahoma. This geographic distribution tells us a lot about the plant’s preferences – it’s adapted to the transitional zones where the Great Plains meet the Rockies, handling everything from prairie conditions to foothill environments.

Why Choose a Native Lobelia?

Here’s where things get exciting for native plant enthusiasts! By choosing this native lobelia over non-native alternatives, you’re:

  • Supporting local ecosystems that have co-evolved with this plant
  • Reducing the need for excessive watering and fertilizing
  • Providing authentic habitat for local wildlife
  • Preserving genetic diversity in our landscapes

Native plants like this lobelia have spent millennia figuring out how to thrive in local conditions. They know when to emerge in spring, how to handle summer heat, and when to go dormant for winter – all without your intervention.

The Growing Challenge (And Opportunity)

Now, here’s where we need to be honest: specific growing information for Lobelia ×speciosa var. occidentalis is surprisingly scarce. This could mean a few things – it might be quite rare in cultivation, it could be a recently identified variety, or it might simply be overlooked by the mainstream gardening world.

What we do know is that as a native perennial forb from Colorado, Kansas, and Oklahoma, it’s likely adapted to:

  • Variable precipitation patterns
  • Temperature extremes
  • Well-draining soils
  • Full sun to partial shade conditions

A Word of Caution for the Adventurous Gardener

If you’re intrigued by this native lobelia (and who wouldn’t be?), your best bet is to:

  • Contact native plant societies in Colorado, Kansas, or Oklahoma
  • Reach out to botanical gardens in these states
  • Connect with local native plant nurseries
  • Join online forums dedicated to native plant growing

The scarcity of readily available information makes this plant something of a collector’s challenge – perfect for the gardener who loves discovering hidden gems of the native plant world.

The Bottom Line

Lobelia ×speciosa var. occidentalis represents the exciting frontier of native plant gardening. While we may not have all the growing details figured out yet, we know it’s a legitimate native species with the potential to add authentic regional character to gardens within its range.

For gardeners in Colorado, Kansas, and Oklahoma who are passionate about native plants, this lobelia could be your chance to grow something truly special – and maybe even contribute to our understanding of how to cultivate this unique variety. Sometimes the most rewarding garden adventures begin with the plants we know the least about!

Remember: the best native garden is one that celebrates the plants that truly belong in your specific corner of the world. This lobelia is a perfect example of that philosophy in action.

Lobelia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Campanulales

Family

Campanulaceae Juss. - Bellflower family

Genus

Lobelia L. - lobelia

Species

Lobelia ×speciosa Sweet (pro sp.) [cardinalis × siphilitica] - lobelia

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA