North America Native Plant

Biannual Lettuce

Botanical name: Lactuca ludoviciana

USDA symbol: LALU

Life cycle: biennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Lactuca campestris Greene (LACA6)  âš˜  Lactuca campestris Greene var. typica Wiegand (LACAT2)   

Biannual Lettuce: A Hardy Native Wildflower for Low-Maintenance Gardens Looking for a tough-as-nails native plant that practically grows itself? Meet biannual lettuce (Lactuca ludoviciana), a wildflower that’s anything but your typical salad green! Also known as biennial lettuce, this resilient native has been quietly thriving across North America long before ...

Biannual Lettuce: A Hardy Native Wildflower for Low-Maintenance Gardens

Looking for a tough-as-nails native plant that practically grows itself? Meet biannual lettuce (Lactuca ludoviciana), a wildflower that’s anything but your typical salad green! Also known as biennial lettuce, this resilient native has been quietly thriving across North America long before European settlers arrived with their fancy garden varieties.

What Exactly Is Biannual Lettuce?

Don’t let the name fool you – this isn’t something you’d want to toss in your Caesar salad! Biannual lettuce is a hardy native forb (that’s garden-speak for a non-woody flowering plant) that can live as either a biennial or perennial, depending on growing conditions. It’s part of the same family as garden lettuce and dandelions, which explains its deeply lobed, lettuce-like leaves.

This plant typically grows 3-6 feet tall, producing clusters of small, bright yellow daisy-like flowers that dance on branching stems from mid-summer through fall. Think of it as a more refined, taller cousin of the dandelion – with all the toughness but better garden manners!

Where Does Biannual Lettuce Call Home?

This native gem has quite the impressive range! Biannual lettuce is native to both Canada and the lower 48 United States, naturally occurring across a vast territory from British Columbia to Louisiana. You’ll find it growing wild in Arizona, Arkansas, California, Colorado, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, Wisconsin, and Wyoming, plus the Canadian provinces of British Columbia, Manitoba, and Saskatchewan.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where biannual lettuce really shines as a garden addition:

  • Pollinator Magnet: Those cheerful yellow flowers are like a welcome mat for bees, butterflies, and other beneficial insects
  • Low Maintenance: Once established, this plant basically takes care of itself
  • Drought Tolerant: Perfect for xeriscaping or areas where you want beauty without the water bill
  • Native Plant Benefits: Supports local ecosystems and provides food for native wildlife
  • Adaptable: Thrives in USDA hardiness zones 3-9, making it suitable for most North American gardens

Perfect Garden Roles for This Native Beauty

Biannual lettuce isn’t a showstopper that demands center stage, but it’s an excellent supporting player in several garden styles:

  • Prairie and Wildflower Gardens: Adds vertical interest and natural movement
  • Native Plant Gardens: A perfect choice for authentic regional landscaping
  • Naturalized Areas: Great for transitional spaces between maintained and wild areas
  • Wildlife Gardens: Provides both nectar for pollinators and seeds for birds
  • Xeriscaping: Thrives in dry conditions once established

Growing Conditions: Easy Does It

One of the best things about biannual lettuce is how undemanding it is. This plant actually prefers life on the lean side:

  • Sun Requirements: Full sun to partial shade (though it blooms best in full sun)
  • Soil: Tolerates poor, dry soils – rich soil might actually make it too lush and floppy
  • Water: Drought tolerant once established; overwatering can be more problematic than underwatering
  • Wetland Status: Varies by region – generally prefers upland sites but can adapt to different moisture conditions

Planting and Care Tips

Growing biannual lettuce is refreshingly straightforward:

  • When to Plant: Direct seed in fall for spring germination, or in early spring
  • Seeding: Scatter seeds on prepared soil surface – they need light to germinate
  • Spacing: Allow 12-18 inches between plants
  • First Year Care: Water occasionally during establishment, then step back and let nature take over
  • Ongoing Maintenance: Practically none! May self-seed for future generations
  • Deadheading: Optional – leave seed heads for wildlife or remove to prevent excessive self-seeding

Should You Plant Biannual Lettuce?

If you’re looking for a native plant that supports local ecosystems without demanding much attention, biannual lettuce could be your perfect match. It’s especially great for gardeners who want to reduce maintenance while supporting pollinators and birds.

However, keep in mind that this plant can self-seed readily, so it might pop up in unexpected places. Some gardeners love this naturalistic tendency, while others prefer more predictable plants. Also, if you’re looking for a showy focal point, this subtle beauty might not be dramatic enough for your taste.

Overall, biannual lettuce is a solid choice for sustainable, low-maintenance gardening that celebrates North America’s native plant heritage. Give it a try in a back corner or naturalized area – you might be surprised by how much you appreciate its quiet charm and ecological value!

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

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Atlantic and Gulf Coastal Plain

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Eastern Mountains and Piedmont

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Great Plains

FACU

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

Midwest

FACU

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

Northcentral & Northeast

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Western Mountains, Valleys, and Coast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Biannual Lettuce

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Lactuca L. - lettuce

Species

Lactuca ludoviciana (Nutt.) Riddell - biannual lettuce

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