North America Native Plant

Wildcane

Botanical name: Gynerium sagittatum

USDA symbol: GYSA

Life cycle: perennial

Habit: grass

Native status: Native to Puerto Rico  

Synonyms: Saccharum sagittatum Aubl. (SASA14)   

Wildcane: A Stunning Native Grass for Tropical Gardens If you’re looking to add some serious tropical flair to your Puerto Rican garden, let me introduce you to wildcane (Gynerium sagittatum). This impressive native grass might just be the showstopper your landscape has been waiting for – though it’s definitely not ...

Wildcane: A Stunning Native Grass for Tropical Gardens

If you’re looking to add some serious tropical flair to your Puerto Rican garden, let me introduce you to wildcane (Gynerium sagittatum). This impressive native grass might just be the showstopper your landscape has been waiting for – though it’s definitely not for the faint of heart or small spaces!

What Makes Wildcane Special?

Wildcane is a perennial grass that’s as native to Puerto Rico as coquí frogs and beautiful beaches. This isn’t your typical lawn grass – we’re talking about a dramatic, architectural plant that can reach up to 23 feet tall when fully mature. Yes, you read that right – nearly two stories high!

Also known by its botanical name Gynerium sagittatum (formerly called Saccharum sagittatum), this rhizomatous grass spreads underground and forms impressive colonies over time. Its rapid growth rate means you won’t be waiting years to see results, but you’ll definitely want to plan accordingly for its eventual size.

Where Does Wildcane Grow?

Wildcane is native to Puerto Rico, where it thrives in the island’s tropical climate. This grass has adapted perfectly to Caribbean growing conditions and plays an important role in the local ecosystem.

Is Wildcane Right for Your Garden?

Here’s where things get interesting – wildcane is what we call a facultative wetland plant. This means it usually grows in wetlands but can adapt to drier conditions too. Think of it as nature’s way of creating a versatile plant that can handle whatever Puerto Rico’s weather throws at it.

This grass is perfect for:

  • Large tropical gardens with plenty of space
  • Rain gardens or areas with seasonal flooding
  • Creating dramatic backdrops or privacy screens
  • Restoration projects in wetland areas
  • Adding authentic native character to your landscape

However, think twice if you have:

  • A small garden (this plant needs room to spread!)
  • Areas where you need precise, contained growth
  • Locations where a 23-foot-tall grass might interfere with power lines or structures

Growing Conditions That Make Wildcane Happy

Wildcane is surprisingly adaptable for such a dramatic plant. Here’s what it loves:

Climate: This is strictly a warm-weather plant, thriving in USDA zones 10-11. It needs at least 365 frost-free days per year and prefers temperatures that don’t drop below 40°F.

Water: High moisture use is this plant’s signature trait. It can handle waterlogged conditions thanks to its high anaerobic tolerance, but also shows medium drought tolerance once established.

Soil: Wildcane prefers slightly acidic to neutral soil with a pH between 6.0 and 8.5. It has moderate fertility requirements, so you won’t need to go crazy with fertilizers.

Sun: This grass shows intermediate shade tolerance, meaning it can handle partial shade but will likely perform best with good sun exposure.

Planting and Care Tips

Ready to give wildcane a try? Here’s how to set yourself up for success:

Propagation: You have several options! Wildcane can be grown from seed (there are about 1,666 seeds per pound), cuttings, or sod. Seeds show high seedling vigor, so don’t worry about babying them too much.

Planting density: Give this grass room to breathe – plant between 5,120 to 20,000 plants per acre, depending on how quickly you want coverage.

Root depth: Plan for at least 12 inches of root depth, so make sure your planting area allows for good drainage below the surface.

Maintenance: The good news? Wildcane is pretty low-maintenance once established. Its rapid growth rate means you’ll see progress quickly, and it shows moderate regrowth after cutting.

A Word of Caution

While wildcane isn’t toxic and doesn’t fix nitrogen (so no soil chemistry surprises), its size and spreading habit mean you should plant thoughtfully. This isn’t a grass you can easily remove if you change your mind later!

The Bottom Line

Wildcane is a spectacular choice for gardeners in Puerto Rico who want to embrace native plants and create dramatic tropical landscapes. Its ability to handle both wet and moderately dry conditions, combined with its impressive stature and rapid growth, makes it a valuable addition to the right garden.

Just remember – this is a plant that thinks big, so make sure you’re ready to think big too. When grown thoughtfully in appropriate spaces, wildcane can transform your landscape into a true tropical paradise that celebrates Puerto Rico’s natural heritage.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Caribbean

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Wildcane

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Gynerium Willd. ex P. Beauv. - wildcane

Species

Gynerium sagittatum (Aubl.) P. Beauv. - wildcane

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