Lusitanian Adder's-tongue Plant Care

Ophioglossum lusitanicum L.

Updated · Sources · How we source care data

Ophioglossum lusitanicum, the least adder's-tongue, is a small fern of the family Ophioglossaceae. It is a temperate species categorised as least concern by the IUCN (2001).

Light

Shade to partial shade

At a glance

How do you care for Lusitanian Adder's-tongue?

Lusitanian Adder's-tongue grows best in shade to partial shade.

What Is the Lusitanian Adder's-tongue?

Lusitanian Adder's-tongue (Ophioglossum lusitanicum) belongs to the Ophioglossaceae family within the Ophioglossum genus.

Lusitanian Adder's-tongue displays a low rosette, clumping growth habit, reaching up to tall with a spread of approximately . Lusitanian Adder's-tongue produces non-flowering.

What Light Does the Lusitanian Adder's-tongue Need?

Lusitanian Adder's-tongue thrives in shade to partial shade. Avoid placing Lusitanian Adder's-tongue in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Shade to partial shade

What Soil Mix Works Best for a Lusitanian Adder's-tongue?

Rich, moist, well-draining soil with high organic matter content. Good drainage is essential for Lusitanian Adder's-tongue to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Lusitanian Adder's-tongue?

Repot every 2-3 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 Lusitanian Adder's-tongue?

Lusitanian Adder's-tongue can be propagated through spores. Similar propagation techniques also apply to azores adder's-tongue plant care, which shares the same genus.

Is the Lusitanian Adder's-tongue Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Lusitanian Adder's-tongue, 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 Lusitanian Adder's-tongue?

Lusitanian Adder's-tongue is susceptible to generally pest-resistant. 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

Lusitanian Adder's-tongue 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 Ophioglossum genus — compare its care with other Ophioglossum species on PlantoScan.

Ophioglossum is part of the Ophioglossaceae plant family — browse all Ophioglossaceae genera and species.

Lusitanian Adder's-tongue copes with lower light than most plants — browse the full list of low-light plants.

More Ophioglossum Species

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

Sources

  • Scientific name & taxonomy: Ophioglossum lusitanicum L., family Ophioglossaceae (first published in Sp. Pl. : 1063 (1753)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Lusitanian Adder's-tongue, 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.
  • 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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