Photo: Nina FilippovaCC BY 4.0via iNaturalistresized / cropped
Woolly webcap Plant Care
Cortinarius laniger
Updated · Sources · How we source care data
With its unmistakably woolly cap, the Cortinarius laniger is a rare find originating from the forests of Europe. This unique mushroom is highly sought after by plant collectors for its charming appearance and unusual texture, making it a prized addition to any collection.
Every 7–10 days
Bright indirect
65–75°F
60–80%
At a glance
How do you care for Woolly webcap?
Water Woolly webcap every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–75°F (18–24°C) and 60–80% humidity. Fertilize it every 2 months during the growing season.
Where Is the Woolly webcap Native To?
- Albania
- Austria
- Belarus
- Belgium
- Bosnia and Herzegovina
- Bulgaria
- Canada
- Croatia
- Cyprus
- Czechia
- Denmark
- Estonia
- Finland
- France
- Germany
- Greece
- Hungary
- Iceland
- Ireland
- Italy
- Latvia
- Lithuania
- Luxembourg
- Malta
- Mexico
- Moldova
- Montenegro
- North Macedonia
- Norway
- Poland
- Portugal
- Romania
- Russia
- Serbia
- Slovakia
- Slovenia
- Spain
- Sweden
- Switzerland
- The Netherlands
- Ukraine
- United Kingdom
- United States
What Is the Woolly webcap?
Woolly webcap (Cortinarius laniger) belongs to the Cortinariaceae family within the Cortinarius genus. Woolly webcap is native to North America, Europe, Asia.
Woolly webcap displays a clumping, spreading growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Woolly webcap produces none.
Leaf size: approximately 3 inches.
How Often Should You Water a Woolly webcap?
Cortinarius laniger requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Woolly webcap Need?
Woolly webcap thrives in bright indirect light. Avoid placing Woolly webcap in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect
What Temperature and Humidity Does the Woolly webcap Prefer?
Cortinarius laniger grows best at temperatures of 65–75°F. Woolly webcap prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–75°F
Humidity
60–80%
What Soil Mix Works Best for a Woolly webcap?
Well-draining soil mix. Good drainage is essential for Woolly webcap to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Woolly webcap?
Feed Woolly webcap every 2 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 2 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Woolly webcap?
Repot every 1-2 years during the spring season. 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 Woolly webcap?
Woolly webcap can be propagated through through spores or mycelium transfer.
Is the Woolly webcap Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Woolly webcap, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
Never eat a wild mushroom based on an app identification. Many mushrooms have poisonous lookalikes, and edibility must never be judged from an app.
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 Woolly webcap?
Woolly webcap is susceptible to slugs, snails, nematodes. 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
Woolly webcap 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 Cortinarius genus (family Cortinariaceae) — search all Cortinarius species in the plant lookup.
Woolly webcap thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Cortinarius laniger, family Cortinariaceae — World Flora Online.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Woolly webcap, 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: Nina Filippova, CC BY 4.0, iNaturalist — 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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