Non-native Plants

Marijuana

Cannabis sativa indica

USDA symbol: CASAI

annual forb

Hawaii: non-native, naturalized

If you’ve stumbled across references to Cannabis sativa indica in your plant research, you might be scratching your head about this oddly named species. Let’s clear up some botanical confusion and talk about what this means for native gardening enthusiasts. Here’s where things get interesting from a botanical perspective. Cannabis ...

Marijuana: What Every Native Gardener Should Know

If you’ve stumbled across references to Cannabis sativa indica in your plant research, you might be scratching your head about this oddly named species. Let’s clear up some botanical confusion and talk about what this means for native gardening enthusiasts.

The Name Game: What’s in a Scientific Name?

Here’s where things get interesting from a botanical perspective. Cannabis sativa indica isn’t actually a recognized scientific name in botanical literature. What you’re likely encountering is a mix-up between two different classification approaches. The plant commonly known as marijuana belongs to either Cannabis sativa L. or Cannabis indica Lam., depending on which botanist you ask. Some experts consider them separate species, while others treat Cannabis indica as a subspecies of Cannabis sativa.

The common name marijuana applies to both forms, and this annual forb (a non-woody plant) has quite a history of human cultivation worldwide.

Native Status and Geographic Distribution

According to available data, this plant is considered non-native but naturalized in Hawaii, where it reproduces spontaneously in the wild without human intervention. It’s worth noting that Cannabis species are not native to North America.

  • Species observed
  • No observations

Why Native Gardeners Should Think Twice

While we always aim to stay botanically neutral, there are several practical considerations for native gardening enthusiasts:

  • Legal complexities: Cannabis cultivation remains federally regulated and varies significantly by state and local jurisdiction
  • Non-native status: As a non-native species, it doesn’t support local ecosystems the way indigenous plants do
  • Unknown ecological impact: Data on pollinator benefits, wildlife value, and invasive potential remains limited

Better Native Alternatives

If you’re drawn to annual plants with interesting foliage, consider these fantastic native alternatives instead:

  • Wild Bergamot (Monarda fistulosa): Aromatic native annual beloved by pollinators
  • Partridge Pea (Chamaecrista fasciculata): Cheerful yellow flowers and interesting seed pods
  • Native sunflowers (Helianthus species): Showy blooms that support birds and beneficial insects
  • Wild Columbine (Aquilegia canadensis): Delicate flowers perfect for woodland gardens

The Bottom Line for Native Gardeners

While Cannabis has a long history of human cultivation, it’s not the best choice for native gardening projects. The legal complexities alone make it impractical for most home gardeners, and its non-native status means you’ll miss out on supporting local wildlife and pollinators.

Instead, focus your energy on the incredible diversity of native plants that will create a thriving ecosystem right in your backyard. Native plants are not only legally straightforward to grow, but they’re also perfectly adapted to your local climate and provide essential habitat for native wildlife.

Your local native plant society or extension office can help you discover amazing indigenous species that will make your garden both beautiful and ecologically valuable!

Cannabis sativa indica is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Cannabis sativa indica is also known as:

Cannabis indica | USDA symbol: CAIN43

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Hamamelididae
Order: Urticales
Family: Cannabaceae Martinov - Hemp family
Genus: Cannabis L. - hemp

Species: Cannabis sativa L. - marijuana

Subspecies: Cannabis sativa L. ssp. indica (Lam.) E. Small & Cronquist - marijuana

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