North America Native Plant

Schaffner’s Grasswort

Botanical name: Lilaeopsis schaffneriana

USDA symbol: LISC7

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Schaffner’s Grasswort: A Rare Native Wetland Gem If you’ve never heard of Schaffner’s grasswort (Lilaeopsis schaffneriana), you’re not alone! This little-known native perennial is one of those botanical treasures that flies under the radar, quietly doing its thing in Arizona’s wetland habitats. While it might not be the showstopper you’d ...

Schaffner’s Grasswort: A Rare Native Wetland Gem

If you’ve never heard of Schaffner’s grasswort (Lilaeopsis schaffneriana), you’re not alone! This little-known native perennial is one of those botanical treasures that flies under the radar, quietly doing its thing in Arizona’s wetland habitats. While it might not be the showstopper you’d expect to find at your local nursery, this unassuming plant has some fascinating qualities that make it worth knowing about.

What Exactly is Schaffner’s Grasswort?

Schaffner’s grasswort is a native perennial forb – which is just a fancy way of saying it’s a soft-stemmed, herbaceous plant that comes back year after year. Unlike woody shrubs or trees, this little guy stays relatively low to the ground and doesn’t develop thick, woody stems. It’s part of the carrot family (Apiaceae), though don’t expect it to look anything like the carrots in your vegetable garden!

Where Does It Call Home?

This native beauty is found exclusively in Arizona, making it a true regional specialty. As a plant native to the lower 48 states, it’s perfectly adapted to its desert wetland environment – and yes, those do exist! Arizona might be known for its cacti and dry landscapes, but it also has precious wetland areas where plants like Schaffner’s grasswort thrive.

The Wetland Connection

Here’s where things get really interesting: Schaffner’s grasswort is what botanists call an obligate wetland species. This means it almost always needs wet conditions to survive – we’re talking about a plant that basically lives with its feet in the water. In Arizona’s arid climate, this makes it incredibly specialized and likely quite rare in the wild.

Should You Grow Schaffner’s Grasswort?

Well, that’s a tricky question! While this native plant would theoretically be a wonderful addition to specialized wetland gardens or water features, there are some practical challenges:

  • Availability: You’re unlikely to find this plant at typical nurseries due to its rarity and specialized needs
  • Growing conditions: It requires consistent wetland conditions, which can be challenging to maintain in home landscapes
  • Limited information: There’s surprisingly little documented about its specific care requirements, growth habits, or ornamental value

If You’re Determined to Try…

Should you happen to come across Schaffner’s grasswort from a reputable native plant source, here’s what you need to know:

  • Water, water, water: This plant needs consistent moisture – think bog garden or the edges of a pond
  • Arizona climate: It’s adapted to Arizona’s climate zones, likely thriving in USDA zones 8-10
  • Patience required: As with many specialized native plants, it may take time to establish
  • Natural habitat: Try to mimic its native wetland conditions as closely as possible

The Bigger Picture

Even if you never grow Schaffner’s grasswort in your own garden, it’s worth appreciating these rare native species for what they represent. They’re living reminders of Arizona’s diverse ecosystems and the incredible adaptability of plants. Every native species, no matter how obscure, plays a role in supporting local wildlife and maintaining ecological balance.

If you’re interested in supporting Arizona’s native plant communities, consider seeking out more readily available native alternatives that can thrive in home landscapes while still providing habitat for local wildlife. Your local native plant society or cooperative extension office can point you toward suitable options that are both garden-friendly and ecologically valuable.

The Takeaway

Schaffner’s grasswort might not be the easiest native plant to grow, but it’s a fascinating example of how plants adapt to very specific environmental niches. While most of us probably won’t be cultivating this wetland specialist anytime soon, knowing about plants like this helps us appreciate the incredible diversity of our native flora – and maybe inspires us to protect the precious wetland habitats where they naturally occur.

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

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Schaffner’s Grasswort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Apiales

Family

Apiaceae Lindl. - Carrot family

Genus

Lilaeopsis Greene - grasswort

Species

Lilaeopsis schaffneriana (Schltdl.) J.M. Coult. & Rose - Schaffner's grasswort

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