North America Native Plant

Lespedeza

Botanical name: Lespedeza ×oblongifolia

USDA symbol: LEOB3

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Lespedeza hirta (L.) Hornem. var. appressipilis S.F. Blake (LEHIA)   

Lespedeza: Meet the Mysterious Native Hybrid If you’ve stumbled across the name Lespedeza ×oblongifolia in your native plant research, you’ve discovered one of those intriguing botanical mysteries that make gardening so fascinating. This native lespedeza is a hybrid species that calls the Eastern United States home, though it’s not exactly ...

Lespedeza: Meet the Mysterious Native Hybrid

If you’ve stumbled across the name Lespedeza ×oblongifolia in your native plant research, you’ve discovered one of those intriguing botanical mysteries that make gardening so fascinating. This native lespedeza is a hybrid species that calls the Eastern United States home, though it’s not exactly what you’d call a household name in gardening circles.

What Exactly Is This Plant?

Lespedeza ×oblongifolia is a perennial forb—basically a non-woody herbaceous plant that comes back year after year. The × in its name is your clue that this is a natural hybrid, which explains why you might have trouble finding detailed growing guides or seeing it at your local nursery. It’s also known by the synonym Lespedeza hirta var. appressipilis, just to keep things interesting!

As a member of the legume family, this plant shares DNA with beans, peas, and other nitrogen-fixing powerhouses, though specific details about this particular hybrid’s characteristics remain somewhat elusive in gardening literature.

Where You’ll Find It Growing Wild

This native beauty has quite the range across the Eastern United States, naturally occurring in Florida, Georgia, Maryland, New Jersey, New York, North Carolina, South Carolina, Tennessee, and Virginia. That’s a pretty impressive spread for a plant that doesn’t get much press!

Should You Plant It in Your Garden?

Here’s where things get a bit tricky. While Lespedeza ×oblongifolia is undoubtedly a legitimate native plant with no invasive tendencies, finding reliable cultivation information—or even the plant itself—can be quite challenging. This hybrid seems to be one of those botanist’s plants that’s more likely to show up in scientific studies than in garden centers.

The Reality Check

If you’re drawn to the idea of growing lespedeza in your native garden, you might want to consider some of its better-documented relatives instead. Other Lespedeza species are more readily available and have established track records in cultivation, making them safer bets for home gardeners.

That said, if you happen to come across this particular hybrid through a specialized native plant society or botanical garden, and you’re feeling adventurous, there’s nothing stopping you from giving it a try. Just be prepared for some trial and error, as specific growing requirements for this hybrid aren’t well documented.

What We Don’t Know (But Wish We Did)

Unfortunately, detailed information about this hybrid’s specific needs remains limited. We don’t have reliable data on:

  • Exact growing conditions and soil preferences
  • Mature size and growth rate
  • Specific wildlife and pollinator benefits
  • Propagation methods
  • Hardiness zone specifics

The Bottom Line

Lespedeza ×oblongifolia represents one of those fascinating native plants that remind us how much botanical diversity exists right under our noses. While it might not be the easiest plant to incorporate into your garden due to limited availability and cultivation information, its native status across much of the Eastern United States makes it a legitimate part of our natural heritage.

If you’re passionate about native plants and love a good botanical challenge, keep an eye out for this elusive hybrid. But if you’re looking for a reliable, well-documented lespedeza for your garden, you’ll probably have better luck with one of its more popular cousins. Sometimes the most interesting plants are also the most mysterious—and that’s perfectly okay!

Lespedeza

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Lespedeza Michx. - lespedeza

Species

Lespedeza ×oblongifolia (Britton) W. Stone [angustifolia × hirta] - lespedeza

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