North America Non-native Plant

Munj Sweetcane

Botanical name: Saccharum bengalense

USDA symbol: SABE8

Life cycle: perennial

Habit: grass

Native status: Non-native, reproduces and persists in the wild in Puerto Rico  

Synonyms: Saccharum ciliare Andersson (SACI3)   

Munj Sweetcane: A Lesser-Known Tropical Grass for Warm Climate Gardens If you’ve stumbled across the name Munj sweetcane (Saccharum bengalense) in your plant research, you might be wondering what exactly this grass is all about. Well, you’re not alone in your curiosity! This tropical perennial grass is something of a ...

Munj Sweetcane: A Lesser-Known Tropical Grass for Warm Climate Gardens

If you’ve stumbled across the name Munj sweetcane (Saccharum bengalense) in your plant research, you might be wondering what exactly this grass is all about. Well, you’re not alone in your curiosity! This tropical perennial grass is something of a botanical mystery, with limited information available compared to its more famous sugarcane cousins.

What is Munj Sweetcane?

Munj sweetcane is a perennial grass belonging to the Saccharum genus, which includes the commercial sugarcanes we know and love. Also known by its scientific synonym Saccharum ciliare, this grass-like plant shares the family traits of its sugarcane relatives but remains much less studied and documented.

Where Does It Grow?

Currently, Munj sweetcane is found growing in Puerto Rico, where it has established itself as a non-native species that reproduces naturally in the wild. The plant appears to have tropical origins, likely from South or Southeast Asian regions, though its exact native range isn’t well-documented.

Should You Grow Munj Sweetcane?

Here’s where things get a bit tricky. While Munj sweetcane isn’t listed as invasive or problematic, the limited information available makes it challenging to provide definitive growing advice. As a non-native species, it’s worth considering whether there might be better native alternatives for your garden.

If you’re gardening in Puerto Rico or similar tropical climates, you might want to explore native grass options that would provide similar aesthetic appeal while supporting local ecosystems. Native plants are typically better adapted to local conditions and provide crucial habitat for native wildlife.

Growing Conditions and Care

Based on what we know about the Saccharum genus and tropical grasses in general, Munj sweetcane likely prefers:

  • Warm, humid tropical or subtropical climates
  • USDA hardiness zones 9-11
  • Full sun to partial shade
  • Regular moisture (though specific water requirements are unknown)
  • Well-draining soil

As a perennial grass, it would likely require minimal maintenance once established, though specific care instructions aren’t well-documented.

The Bottom Line

Munj sweetcane represents one of those fascinating but understudied plants that remind us how much we still don’t know about the plant kingdom. While it’s not necessarily a bad choice for tropical gardens, the lack of detailed information makes it difficult to recommend with confidence.

If you’re drawn to ornamental grasses for your warm-climate garden, consider researching native alternatives that might offer similar visual appeal while supporting local wildlife and ecosystems. Your local native plant society or extension office can help you identify beautiful native grasses that would thrive in your specific location.

Have you encountered Munj sweetcane in the wild or cultivation? We’d love to hear about your experiences with this mysterious grass!

Munj Sweetcane

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

Saccharum L. - sugarcane

Species

Saccharum bengalense Retz. - Munj sweetcane

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