North America Native Plant

Climbing Arrowheads

Botanical name: Sicyosperma gracile

USDA symbol: SIGR

Life cycle: annual

Habit: vine

Native status: Native to the lower 48 states  

Climbing Arrowheads: A Rare Native Gem for Southwestern Gardens Meet climbing arrowheads (Sicyosperma gracile), a charming little native plant that might just be the hidden treasure your southwestern garden has been waiting for. This annual herb is one of those delightful sleeper natives that doesn’t get much press but deserves ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Climbing Arrowheads: A Rare Native Gem for Southwestern Gardens

Meet climbing arrowheads (Sicyosperma gracile), a charming little native plant that might just be the hidden treasure your southwestern garden has been waiting for. This annual herb is one of those delightful sleeper natives that doesn’t get much press but deserves a spot in the conversation about regional gardening.

Where You’ll Find This Native Beauty

Climbing arrowheads call the American Southwest home, specifically thriving in Arizona and New Mexico. As a true native to the lower 48 states, this plant has spent centuries adapting to the unique conditions of this arid region, making it a natural choice for gardeners looking to embrace their local ecosystem.

What Makes Climbing Arrowheads Special

This plant falls into the category of forbs – essentially, it’s a vascular plant that stays soft and herbaceous rather than developing woody stems. Think of it as nature’s way of creating a flexible, adaptable plant that can make the most of seasonal growing conditions. As an annual, climbing arrowheads complete their entire life cycle in one growing season, putting on a show and then setting seed for next year’s garden.

A Word About Rarity

Here’s something important to know: climbing arrowheads carry a conservation status of S3S4, which puts them somewhere between vulnerable and apparently secure. This means that while they’re not in immediate danger, they’re not exactly common either. If you’re thinking about adding these natives to your garden, please make sure you source them responsibly from reputable native plant nurseries or seed suppliers who harvest sustainably.

Why Consider Climbing Arrowheads for Your Garden?

While detailed growing information for this species can be hard to come by (it’s one of those under-the-radar natives), there are several compelling reasons to consider it:

  • It’s authentically native to the Southwest, supporting local ecosystems
  • As an annual, it offers seasonal interest and natural garden renewal
  • Its forb nature means it’s likely to play well with other native plants
  • You’ll be supporting biodiversity by growing lesser-known natives

Growing Climbing Arrowheads: The Honest Truth

Here’s where we need to be upfront with you – specific growing information for Sicyosperma gracile is surprisingly scarce. This isn’t uncommon with some of our more specialized native plants that haven’t made the leap into mainstream horticulture yet.

What we do know is that as a native to Arizona and New Mexico, this plant is likely adapted to:

  • Hot, dry summers typical of the Southwest
  • Well-draining soils
  • Seasonal rainfall patterns
  • Temperature fluctuations common in desert and semi-desert regions

The Bottom Line

Climbing arrowheads represent the kind of gardening adventure that appeals to native plant enthusiasts who love discovering lesser-known species. While we can’t give you a detailed care sheet (yet!), this native annual offers the opportunity to support local biodiversity and experiment with a plant that’s perfectly suited to southwestern conditions.

If you decide to seek out climbing arrowheads, connect with local native plant societies, botanical gardens, or specialized southwestern native plant nurseries. They may have seeds or growing tips specific to your area. Remember, when dealing with plants that have conservation concerns, always choose responsible sources and consider letting some plants go to seed to support future populations.

Sometimes the most rewarding gardening experiences come from taking a chance on the plants that don’t have glossy catalog photos – but have millions of years of southwestern evolution on their side.

Climbing Arrowheads

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Violales

Family

Cucurbitaceae Juss. - Cucumber family

Genus

Sicyosperma A. Gray - sicyosperma

Species

Sicyosperma gracile A. Gray - climbing arrowheads

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