Canada lettuce (Lactuca canadensis)

Photo: George F Mayfield from chicago area, USACC BY-SA 2.0via Wikimedia Commonsresized / cropped

Canada lettuce Plant Care

Lactuca canadensis L.

Updated · Sources · How we source care data

Lactuca canadensis is a species of wild lettuce known by the common names Canada lettuce, Canada wild lettuce, tall lettuce, and Florida blue lettuce. Its true native range is not clear, but it is considered to be a native of the eastern and central parts of North America. It naturalized in the western part of the continent as well as in Eurasia.

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Light

Full sun to partial shade

At a glance

How do you care for Canada lettuce?

Canada lettuce grows best in full sun to partial shade.

What Is the Canada lettuce?

Canada lettuce (Lactuca canadensis) belongs to the Asteraceae family within the Lactuca genus. Canada lettuce is also known as Wild lettuce, Agathyrsus acuminatus, Cicerbita canadensis.

Canada lettuce displays a compact rosette growth habit, reaching up to tall with a spread of approximately . Canada lettuce produces small yellow flowers in clusters.

What Light Does the Canada lettuce Need?

Canada lettuce thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Soil Mix Works Best for a Canada lettuce?

Well-draining, fertile loam with added compost. Good drainage is essential for Canada lettuce to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Canada lettuce?

Repot every 1-2 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Canada lettuce?

Canada lettuce can be propagated through seeds. Similar propagation techniques also apply to alpine lettuce plant care, which shares the same genus.

Is the Canada lettuce Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Canada lettuce, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Canada lettuce?

Canada lettuce is susceptible to aphids, slugs, snails. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Keep exploring plants

Canada lettuce is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Lactuca genus — compare its care with other Lactuca species on PlantoScan.

Lactuca is part of the Asteraceae plant family — browse all Asteraceae genera and species.

Canada lettuce thrives in bright light and direct sun — see other bright-light plants.

More Lactuca Species

Other Lactuca species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Lactuca canadensis L., family Asteraceae (first published in C. von Linnaeus, Sp. Pl.. 1753) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Canada lettuce, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Photo: George F Mayfield from chicago area, USA, CC BY-SA 2.0, Wikimedia Commons — original.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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