Photo: Jerry CooperCC BY 4.0via iNaturalistresized / cropped
Horse mushroom Plant Care
Agaricus arvensis
Updated · Sources · How we source care data
Agaricus arvensis, commonly known as the Horse mushroom, is a large and robust fungus with a white cap and gills that turn pink as it matures. It is native to Europe and North America. It has lookalikes, and edibility must never be judged from an app.
Full sun
At a glance
How do you care for Horse mushroom?
Horse mushroom grows best in full sun.
Where Is the Horse mushroom 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 Horse mushroom?
Horse mushroom (Agaricus arvensis) belongs to the Agaricaceae family within the Agaricus genus. Horse mushroom is native to Europe,North America.
Horse mushroom displays a clump-forming, upright growth habit, reaching up to tall with a spread of approximately . Horse mushroom produces none.
What Light Does the Horse mushroom Need?
Horse mushroom thrives in full sun.
Light Requirement
Full sun
What Soil Mix Works Best for a Horse mushroom?
Well-draining, rich in organic matter. Good drainage is essential for Horse mushroom to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Horse mushroom?
Repot every 1-2 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
Is the Horse mushroom Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Horse mushroom, 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 Horse mushroom?
Horse mushroom is susceptible to slugs, snails, aphids. 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
Horse mushroom 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 Agaricus genus (family Agaricaceae) — search all Agaricus species in the plant lookup.
Horse mushroom 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: Agaricus arvensis, family Agaricaceae — World Flora Online.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Horse mushroom, 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: Jerry Cooper, 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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