North America Non-native Plant

Chilean Plantain

Botanical name: Plantago firma

USDA symbol: PLFI3

Life cycle: annual

Habit: forb

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Plantago truncata Cham. ssp. firma (Kunze ex Walp.) Pilg. (PLTRF2)   

Chilean Plantain: A Modest Non-Native Addition to Your Garden If you’ve ever stumbled across a small, unassuming plant with narrow leaves arranged in a neat little rosette and wondered what it might be, you could be looking at Chilean plantain (Plantago firma). This humble annual might not win any beauty ...

Chilean Plantain: A Modest Non-Native Addition to Your Garden

If you’ve ever stumbled across a small, unassuming plant with narrow leaves arranged in a neat little rosette and wondered what it might be, you could be looking at Chilean plantain (Plantago firma). This humble annual might not win any beauty contests, but it has quietly made itself at home in California’s diverse landscapes.

What Exactly Is Chilean Plantain?

Chilean plantain is a small annual forb – that’s garden-speak for a soft-stemmed, non-woody plant that completes its life cycle in one growing season. Don’t let the name fool you; this isn’t the banana-like plantain you might be thinking of! This little guy belongs to the plantain family and forms tidy basal rosettes of narrow, elongated leaves.

You might also encounter this plant listed under its synonym, Plantago truncata ssp. firma, in some botanical references. It’s the same plant, just wearing a different name tag.

Where Does It Come From and Where Can You Find It?

As its common name suggests, Chilean plantain originally hails from Chile and other parts of South America. However, this adaptable little plant has made itself quite comfortable in California, where it now grows and reproduces on its own without any human help.

Currently, Chilean plantain is only documented as naturalized in California within the United States, though it may be present in other similar climates.

Should You Plant Chilean Plantain in Your Garden?

Here’s where things get interesting. Chilean plantain isn’t going to be the star of your garden show – it’s more like a reliable supporting actor. The plant produces small, greenish flower spikes that are frankly quite underwhelming from an ornamental standpoint. However, there are a few reasons you might consider it:

  • It’s incredibly easy to grow and maintain
  • Thrives in moist conditions where other plants might struggle
  • Self-sows readily, filling in gaps in naturalized areas
  • Requires minimal care once established

That said, since this is a non-native species, you might want to consider native alternatives that provide similar benefits while supporting local ecosystems. California has many beautiful native annual wildflowers that could fill similar roles in your landscape.

Growing Conditions and Care

If you do decide to grow Chilean plantain, you’ll find it refreshingly low-maintenance. This plant has a particular fondness for moist to wet soils and is actually classified as a facultative wetland species in California’s regions. This means it usually prefers wetland conditions but can tolerate drier spots too.

Ideal Growing Conditions:

  • Soil: Moist to wet, well-draining soil
  • Light: Full sun to partial shade
  • Water: Regular moisture; drought-tolerant once established
  • Climate: Best suited for USDA hardiness zones 8-10

Planting and Care Tips

Growing Chilean plantain is about as straightforward as gardening gets. Since it’s an annual, you’ll need to replant each year or let it self-seed (which it does quite enthusiastically).

  • Sow seeds directly in the garden in fall or early spring
  • Barely cover seeds with soil – they need light to germinate
  • Keep soil consistently moist until germination
  • Thin seedlings if they become overcrowded
  • Allow some plants to go to seed if you want natural reseeding

Garden Design Role

Chilean plantain works best in informal, naturalized settings rather than formal garden beds. Consider it for:

  • Meadow gardens
  • Rain gardens or bioswales
  • Wildlife gardens (though benefits are limited)
  • Filling gaps between other plantings
  • Areas with consistent moisture

Wildlife and Pollinator Considerations

While Chilean plantain won’t attract clouds of butterflies or buzzing bees (its flowers are wind-pollinated and quite small), it can provide some habitat value as a ground cover plant. However, native alternatives would offer much greater benefits to local wildlife and pollinators.

The Bottom Line

Chilean plantain is a perfectly harmless, easy-to-grow annual that won’t cause problems in your garden. While it’s not native to California, it’s also not listed as invasive or problematic. If you’re looking for a low-maintenance plant for moist areas and don’t mind its modest appearance, it could work for you.

However, if you’re passionate about supporting native ecosystems and local wildlife, consider exploring California’s amazing array of native annual wildflowers instead. Your local native plant society can help you discover beautiful alternatives that will provide greater ecological benefits while being just as easy to grow.

Whether you choose Chilean plantain or opt for native alternatives, the most important thing is that you’re gardening and connecting with the natural world around you!

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

Arid West

FACW

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

Western Mountains, Valleys, and Coast

FACW

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

Chilean Plantain

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Plantaginales

Family

Plantaginaceae Juss. - Plantain family

Genus

Plantago L. - plantain

Species

Plantago firma Kunze ex Walp. - Chilean plantain

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