North America Non-native Plant

Gray Nicker

Botanical name: Ticanto nuga

USDA symbol: TINU

Life cycle: perennial

Habit: vine

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

Gray Nicker: What You Need to Know About This Climbing Perennial If you’ve stumbled upon the name gray nicker (Ticanto nuga) in your gardening research, you might be wondering what exactly this climbing plant is all about. While this perennial vine isn’t as well-known as some garden favorites, it’s worth ...

Gray Nicker: What You Need to Know About This Climbing Perennial

If you’ve stumbled upon the name gray nicker (Ticanto nuga) in your gardening research, you might be wondering what exactly this climbing plant is all about. While this perennial vine isn’t as well-known as some garden favorites, it’s worth understanding what makes it unique—and whether it deserves a spot in your landscape.

The Basics: What Is Gray Nicker?

Gray nicker is a perennial climbing plant that loves to twist and wind its way up whatever support it can find. Think of it as nature’s way of creating a living rope—this vine produces relatively long stems that can be either woody (like a small tree branch) or herbaceous (softer and more flexible like most garden plants). It’s the kind of plant that doesn’t just sit there looking pretty; it actively reaches out and explores its surroundings.

Where Does It Come From?

Here’s where things get interesting: gray nicker isn’t actually native to the United States. It’s what botanists call an introduced species, meaning it originally came from somewhere else but has made itself quite at home here. This adaptable vine has managed to establish itself and reproduce on its own in the wild, particularly in Florida, where it seems to have found conditions much to its liking.

Should You Plant Gray Nicker in Your Garden?

This is where gardeners need to tread carefully. While gray nicker isn’t currently listed as invasive (at least not in widely available databases), its ability to reproduce and spread in the wild means it could potentially become problematic in certain ecosystems. Since detailed information about this particular species is limited, the safest approach is to proceed with caution.

If you’re drawn to climbing vines, consider these fantastic native alternatives instead:

  • American groundnut (Apios americana) – produces fragrant, burgundy flowers
  • Coral honeysuckle (Lonicera sempervirens) – beloved by hummingbirds
  • Virgin’s bower (Clematis virginiana) – creates clouds of white, fragrant blooms
  • Wild grape (Vitis riparia) – provides food for wildlife and fall color

What We Don’t Know (And Why That Matters)

Here’s the honest truth: there’s a lot we don’t know about gray nicker’s specific growing requirements, wildlife benefits, and potential ecological impacts. Without clear information about its preferred growing conditions, USDA hardiness zones, or care requirements, it’s difficult to provide reliable growing advice.

This lack of readily available information is actually a red flag for gardeners. Well-established garden plants typically have extensive cultivation information available, including specific care instructions, known benefits, and documented interactions with local ecosystems.

The Bottom Line for Gardeners

While gray nicker might seem like an intriguing addition to your garden, the combination of its non-native status and limited available information makes it a risky choice. Instead of gambling with an unknown quantity, why not explore the many native climbing plants that can provide similar visual interest while supporting local wildlife and ecosystems?

Native vines offer the added benefits of being adapted to local conditions, requiring less maintenance once established, and providing food and habitat for native birds, butterflies, and other wildlife. Plus, you’ll have access to tried-and-true growing advice from local extension services and experienced gardeners in your area.

Remember, every plant we choose for our gardens is a vote for the kind of ecosystem we want to support. By choosing native alternatives to gray nicker, you’re creating a landscape that works in harmony with your local environment while still getting that beautiful climbing plant you’re looking for.

Gray Nicker

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

Ticanto Adans. - gray nicker

Species

Ticanto nuga (L.) Medik. - gray nicker

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