Auricularia auricula-judae

Wood Ear Identification & Cultivation

The Wood Ear Mushroom, or Jelly Ear, is a highly unique gelatinous fungus native to temperate hardwood forests. Growing in clusters on decaying deciduous branches, this rubbery, ear-shaped mushroom is famous for its semi-translucent, brown structure and crunchy, cartilaginous bite. A staple in traditional Asian culinary and medicinal cultures, it is widely cultivated on sawdust logs.

Environment Hardwood Logs / Decaying Wood

Humidity High Humidity (85-95%)

Substrate Decaying Oak / Elder Branches

Cap Diameter 2cm - 10cm

Edibility Edible

Botanical macro photography of Wood Ear (Auricularia auricula-judae) - Plant AI care database

How to Identify Wood Ear

A brown, gelatinous, ear-shaped or cup-shaped fungus growing on decaying hardwood, with a velvety outer surface.

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Ear-shaped Body: Rubbery, gelatinous cup-like structure that closely resembles a human ear.
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Velvety Outer Skin: Outer surface is covered in extremely fine, greyish-brown velvety hairs.
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Semi-Translucent Flesh: Thin, elastic, brown flesh that is semi-translucent when held against light.

💡 Drying Tip: Wood Ear dries exceptionally well, turning into small, hard black shriveled flakes that can be stored for years and fully rehydrate in warm water within 15 minutes.

Complete Scientific Cultivation & Identification

Follow our professional mycological parameters and identification guidelines for safe foraging.

Grows as a saprophyte on dead or dying hardwood branches, particularly Elder, Oak, and Maple trees. Cultivated on sterilized sawdust bags in outdoor shade houses.

Requires high humidity (85-95%). During dry spells, the gelatinous body shrivels to a hard black crust, but it fully revives and resumes growing after rain.

Requires low indirect shade. Ambient light helps develop the deep red-brown color of the jelly ears; direct sun dries and scorches them.

Lacks a standard cap, gills, or stem. The entire cup-shaped, wavy-margined body produces spores on its smooth, inner concave surface.

Produces a white spore print. Wood Ear reproduces via airborne spores and is easily cultivated using sawdust spawn plugged into hardwood logs.

Flesh is highly elastic, rubbery, gelatinous, and red-brown. It lacks a stem, ring, or volva, attaching directly to the wood substrate.

Harvest by slicing the gelatinous attachment point off the log using a sharp knife. Forage after rainy periods when the ears are fully swollen and tender.

Valued primarily for its crunchy, cartilaginous texture rather than intense flavor. It absorbs sauces beautifully, commonly used in Chinese hot and sour soups, stir-fries, and cold wood-ear salads.

Highly researched for containing acidic polysaccharides that exhibit strong anti-coagulant (blood thinning) and cholesterol-lowering properties.

CRITICAL WARNING: Highly safe. Avoid confusing with poisonous 'Amber Jelly Fungus' which is much smaller, highly brain-like, and lacks the velvety outer hair of the True Wood Ear.

Always slice Wood Ear thinly before sautéing. Whole pieces tend to catch pockets of steam in a hot frying pan and can literally pop or explode, splashing hot oil.

Common Diseases & Wild Contamination

Dry Shriveling

Symptoms: Symptoms: The soft brown ears shrink, turn extremely hard, black, and brittle on the log.

Action: Action: This is normal dehydration. Mist them heavily with warm water, and they will fully absorb moisture and rehydrate back to their soft, rubbery state within minutes.

White Mold Contamination

Symptoms: Symptoms: White powdery mold patches growing on the damp rubbery folds during high-humidity storage.

Action: Action: Discard moldy pieces. Store fresh wood ears in dry, breathable paper towels in the fridge, or dehydrate them immediately for storage.

Frequently Asked Questions

Why is Wood Ear so popular in Chinese cooking?

Wood Ear has a highly unique cartilaginous, crunchy texture that is highly valued in Chinese cuisine. It easily absorbs the flavors of broths, vinegars, and spices, adding a satisfying crunch to dishes.

What are the health benefits of Wood Ear?

Wood Ear is a powerful medicinal mushroom. It acts as a natural blood thinner (anti-coagulant), helps regulate blood sugar, lowers bad cholesterol, and is rich in iron and dietary fiber.

How do you rehydrate dried Wood Ear?

Place the dried mushrooms in a large bowl of warm water. They will absorb water and expand to 5 to 8 times their dried size in about 15 to 20 minutes. Rinse thoroughly to remove woodland grit before slicing.

Can pregnant women eat Wood Ear?

Because Wood Ear has strong anti-coagulant (blood-thinning) properties, it is traditionally recommended to consume it in moderation during pregnancy, and avoid it prior to any surgical procedures.