North America Native Plant

Vervain

Botanical name: Verbena ×stuprosa

USDA symbol: VEST7

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Verbena ×stuprosa: A Mysterious Native Vervain Worth Knowing About If you’re a native plant enthusiast who loves a good botanical mystery, Verbena ×stuprosa might just capture your imagination. This little-known vervain is one of those plants that keeps botanists scratching their heads – it’s officially recognized as a native species, ...

Verbena ×stuprosa: A Mysterious Native Vervain Worth Knowing About

If you’re a native plant enthusiast who loves a good botanical mystery, Verbena ×stuprosa might just capture your imagination. This little-known vervain is one of those plants that keeps botanists scratching their heads – it’s officially recognized as a native species, but finding detailed information about it is like searching for a needle in a haystack.

What Makes This Vervain Special?

Verbena ×stuprosa, commonly known as vervain, is a perennial forb native to the lower 48 United States. The × in its name is your first clue that this is something special – it indicates this plant is a natural hybrid, meaning it arose from the cross-pollination of two different Verbena species in the wild. Think of it as nature’s own plant breeding experiment!

As a forb, this vervain lacks the woody stems you’d find on shrubs or trees. Instead, it’s an herbaceous plant that dies back to the ground each winter and emerges fresh each spring, storing its energy in its root system through the cold months.

Where Does It Call Home?

Currently, Verbena ×stuprosa has been documented in Arkansas, making it quite a regional specialty. This limited distribution adds to its mystique – it’s like finding a rare gem tucked away in the Natural State’s diverse landscape.

The Growing Challenge

Here’s where things get tricky for gardeners. While this native vervain sounds intriguing, there’s very little documented information about its specific growing requirements, appearance, or availability in the nursery trade. This isn’t uncommon with rare hybrid species – they often exist in such small populations or specific conditions that detailed cultivation information simply doesn’t exist.

Should You Try to Grow It?

The honest answer? It’s probably not going to be an option for most gardeners. Verbena ×stuprosa appears to be extremely rare, with limited documentation and likely no commercial availability. However, this doesn’t mean you can’t capture the spirit of native vervains in your garden!

Better Alternatives for Your Native Garden

If you’re drawn to the idea of growing native verbenas, consider these more readily available alternatives:

  • Blue Vervain (Verbena hastata) – A tall, stately plant with purple-blue flower spikes
  • White Vervain (Verbena urticifolia) – Delicate white flowers that attract beneficial insects
  • Narrowleaf Vervain (Verbena simplex) – A more compact option with purple flowers

These species offer the same benefits you’d expect from native verbenas: they support pollinators, require minimal care once established, and provide that wild, natural look that makes native gardens so appealing.

The Bigger Picture

Plants like Verbena ×stuprosa remind us that there’s still so much we don’t know about our native flora. They highlight the importance of botanical surveys, habitat conservation, and the documentation of rare species before they potentially disappear.

While you might not be able to add this particular vervain to your garden wishlist, you can support native plant conservation by choosing other native species, participating in citizen science projects, and supporting organizations that work to protect rare plant habitats.

Sometimes the most fascinating plants are the ones that remain just out of reach, reminding us that nature still holds plenty of secrets worth protecting.

Vervain

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

Lamiales

Family

Verbenaceae J. St.-Hil. - Verbena family

Genus

Verbena L. - vervain

Species

Verbena ×stuprosa Moldenke [simplex × urticifolia] - vervain

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