North America Non-native Plant

Bush Vetch

Botanical name: Vicia sepium var. montana

USDA symbol: VISEM8

Life cycle: perennial

Habit: vine

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Bush Vetch (Vicia sepium var. montana): A Lesser-Known Garden Visitor If you’ve stumbled across the name bush vetch or Vicia sepium var. montana in your plant research, you might be wondering what exactly this perennial herb brings to the table. Well, you’re not alone in your curiosity – this particular ...

Bush Vetch (Vicia sepium var. montana): A Lesser-Known Garden Visitor

If you’ve stumbled across the name bush vetch or Vicia sepium var. montana in your plant research, you might be wondering what exactly this perennial herb brings to the table. Well, you’re not alone in your curiosity – this particular variety of vetch is something of a botanical mystery in the gardening world.

What Is Bush Vetch?

Bush vetch (Vicia sepium var. montana) is a perennial forb – essentially a non-woody flowering plant that comes back year after year. As a member of the legume family, it shares DNA with beans, peas, and other nitrogen-fixing plants that gardeners know and love. However, this particular variety is quite the wallflower when it comes to garden popularity.

Native Status and Geographic Distribution

Here’s where things get interesting (or perhaps concerning, depending on your perspective): Vicia sepium var. montana is not a native North American plant. It’s an introduced species that has managed to establish itself and reproduce in the wild without human assistance. Currently, it’s documented as growing in Maine, though its exact distribution may be broader than records suggest.

The Garden Reality Check

Let’s be honest – if you’re looking for a showstopper plant with well-documented growing guides and proven garden performance, bush vetch probably isn’t your best bet. This variety falls into that challenging category of plants where information is scarce, making it difficult to give you the confident growing advice you deserve.

Here’s what we do know:

  • It’s a perennial herb that lacks woody stems
  • It reproduces and persists without human intervention
  • It’s established in at least Maine
  • As a non-native species, its ecological impact is unclear

Should You Plant Bush Vetch?

Given the limited information available about Vicia sepium var. montana’s garden performance, growing requirements, and potential ecological impact, most gardeners would be better served exploring other options. While we can’t definitively say this plant is problematic, the lack of comprehensive data makes it a risky choice for intentional cultivation.

Better Alternatives for Your Garden

If you’re drawn to the idea of growing vetches or similar leguminous plants, consider these well-documented native alternatives that offer clear benefits:

  • American groundnut (Apios americana) – a native climbing legume with fragrant flowers
  • Wild lupine (Lupinus perennis) – supports native butterflies and adds stunning color
  • Partridge pea (Chamaecrista fasciculata) – an annual native legume beloved by pollinators

The Bottom Line

While Vicia sepium var. montana exists in our botanical landscape, it remains something of an enigma in the gardening world. Without clear information about its growing requirements, ecological impact, or garden value, it’s difficult to recommend this plant for intentional cultivation. Your garden – and local ecosystem – will likely benefit more from choosing well-researched native plants that come with proven track records and abundant growing information.

Sometimes the most responsible gardening choice is admitting when we simply don’t know enough about a plant to recommend it confidently.

Bush Vetch

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

Vicia L. - vetch

Species

Vicia sepium L. - bush vetch

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