North America Non-native Plant

Cyclanthera

Botanical name: Cyclanthera pedata

USDA symbol: CYPE11

Native status: Not native but doesn't reproduce and persist in the wild

Growing Cyclanthera: The Quirky Climbing Vegetable You’ve Never Heard Of If you’re looking to add something truly unique to your garden, meet cyclanthera (Cyclanthera pedata) – a fascinating climbing plant that’s part vegetable, part conversation starter, and all adventure. This unusual vine produces some of the most distinctive seed pods ...

Growing Cyclanthera: The Quirky Climbing Vegetable You’ve Never Heard Of

If you’re looking to add something truly unique to your garden, meet cyclanthera (Cyclanthera pedata) – a fascinating climbing plant that’s part vegetable, part conversation starter, and all adventure. This unusual vine produces some of the most distinctive seed pods you’ll ever see, covered in soft spines that make them look like tiny green hedgehogs hanging from your trellis.

What Exactly Is Cyclanthera?

Cyclanthera pedata is a climbing annual vine that belongs to the cucumber family. While it might not be a household name in North American gardens, it’s been treasured in its native regions for centuries. The plant produces small, delicate white flowers followed by inflated, spiny seed pods that are both ornamental and edible when young.

Where Does It Come From?

This intriguing plant calls the tropical regions of Central and South America home, with its strongest roots in Peru and Bolivia. In these mountainous regions, cyclanthera has been cultivated as both food and medicine for generations.

Why You Might Want to Grow It

Cyclanthera offers several compelling reasons to give it a try in your garden:

  • Unique visual interest with its distinctive spiny pods
  • Fast-growing vine that quickly covers trellises and supports
  • Edible young pods with a mild, cucumber-like flavor
  • Small flowers that attract bees and other beneficial pollinators
  • Great conversation starter – most neighbors have never seen anything like it
  • Takes up minimal ground space while maximizing vertical growing area

Growing Conditions and Care

Cyclanthera thrives in USDA zones 9-11, but can be grown as an annual in cooler climates. Here’s what this tropical climber needs to succeed:

  • Light: Full sun to partial shade
  • Soil: Well-draining, fertile soil with good organic matter
  • Water: Consistent moisture but not waterlogged
  • Support: Sturdy trellis, fence, or climbing structure up to 10 feet tall
  • Temperature: Warm weather lover – wait until all frost danger has passed

Planting and Care Tips

Getting started with cyclanthera is straightforward, though you’ll likely need to source seeds online since they’re not commonly available at local nurseries:

  • Start seeds indoors 4-6 weeks before your last frost date
  • Soak seeds overnight before planting to improve germination
  • Plant seeds ½ inch deep in warm, well-draining potting mix
  • Transplant seedlings outdoors when soil temperature reaches 65°F
  • Provide immediate climbing support – these vines grow fast!
  • Water regularly but allow soil to dry slightly between waterings
  • Harvest young pods when they’re 2-4 inches long for the best eating quality

Garden Design Ideas

Cyclanthera works beautifully in several garden settings:

  • Edible landscape borders where it can climb fences or arbors
  • Vegetable gardens as a vertical element alongside tomatoes and peppers
  • Container gardens with tall trellises for small-space growing
  • Children’s gardens where the unusual pods spark curiosity and learning

A Note on Native Alternatives

While cyclanthera isn’t native to North America, it appears to be non-invasive and can be a fun addition to appropriate gardens. If you’re specifically looking for native climbing plants, consider alternatives like American bittersweet (Celastrus scandens), wild cucumber (Echinocystis lobata), or native morning glories, depending on your region.

The Bottom Line

Cyclanthera pedata is definitely not your average garden plant, and that’s exactly what makes it special. If you enjoy trying unusual edibles, love vertical gardening solutions, or simply want to grow something that will have visitors asking What on earth is that?, cyclanthera might be the perfect quirky addition to your garden. Just be prepared to become the neighborhood expert on this fascinating climbing vegetable from the Andes!

Cyclanthera

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

Cyclanthera Schrad. - cyclanthera

Species

Cyclanthera pedata (L.) Schrad. - cyclanthera

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