Photo: relewCC BY 4.0via iNaturalistresized / cropped
Earthstar fungus Plant Care
Geastrum quadrifidum
Updated · Sources · How we source care data
Geastrum quadrifidum is a unique earthstar fungus with a spherical body and four to eight pointed rays that split open to reveal a dark spore sac. It is commonly found in moist woodland habitats across Europe and North America, admired for its striking appearance and fascinating growth pattern.
Bright indirect
At a glance
How do you care for Earthstar fungus?
Earthstar fungus grows best in bright indirect light.
Where Is the Earthstar fungus 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 Earthstar fungus?
Earthstar fungus (Geastrum quadrifidum) belongs to the Geastraceae family within the Geastrum genus. Earthstar fungus is native to Europe, North America.
Earthstar fungus displays a clumping, round growth habit, reaching up to tall with a spread of approximately . Earthstar fungus produces none.
What Light Does the Earthstar fungus Need?
Earthstar fungus thrives in bright indirect light. Avoid placing Earthstar fungus in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect
What Soil Mix Works Best for a Earthstar fungus?
Well-draining, rich organic mix. Good drainage is essential for Earthstar fungus to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Earthstar fungus?
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 Earthstar fungus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Earthstar fungus, 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 Earthstar fungus?
Earthstar fungus is susceptible to fungus gnats, root rot. 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
Earthstar fungus 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 Geastrum genus (family Geastraceae) — search all Geastrum species in the plant lookup.
Earthstar fungus 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: Geastrum quadrifidum, family Geastraceae — World Flora Online.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Earthstar fungus, 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: relew, 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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