Ornamental · Berberidaceae
Mayapple
Podophyllum peltatum
A woodland native whose paired leaves open into wide green umbrellas in spring, then melt away by midsummer.
Full shade
Every 3–7 days
730–1825 days
USDA 3–8
Overview
Mayapple covers the shaded woodland floor with paired leaves that rise on a single stalk and open flat like small green umbrellas, their rounded blades lifted parallel to the ground. Below the surface, a pale, creeping rhizome pushes sideways through the leaf litter, so one plant knits into a low, unbroken colony of these umbrella leaves across a damp, wooded patch. It is a true woodland native, shaded and cool beneath a high canopy.
A flowering plant holds not one leaf but two, and slung in the fork where the stems divide hangs a single nodding white bloom, its petals facing down and hidden from anyone who does not crouch to find it. That flower gives way to one fruit, a smooth oval that ripens from hard green to soft golden yellow by late summer, and only this ripe pulp is safe to eat. Every other part carries a potent toxin.
The green does not last. The umbrella leaves yellow, slacken, and die back completely as summer heat climbs, until the whole colony has sunk from sight and left bare ground where the leaves stood. Plan around that vanishing act and mayapple reads as a striking, low-effort groundcover for a shady spot.
Care
The short version: set it in full to partial shade in moist, humus-rich, slightly acidic soil, keep it watered through spring, and let its umbrella leaves yellow, fold, and disappear on their own once summer heat sets in.
Light
Mayapple is a true shade plant that wants full to partial shade under a tree canopy, the dim green light of the forest floor. It takes a little morning or dappled sun, but a hot, open site forces it into early dormancy and scorches brown patches across the umbrella leaves.
Water
Give it steady, even moisture in spring while the leaves are up, since it grows in damp woodland soil that keeps the blades firm and glossy. An established colony shrugs off some drought because it simply folds down early, though dry, exposed ground fades the green fast.
Soil
Plant it in moist, humus-rich soil that drains well, anything from loose sand to heavier loam so long as it is dark with leaf mold and organic matter. A slightly acidic pH of 5.0 to 6.0 matches the woodland floor it rises from.
Temperature
Mayapple is strikingly cold-hardy, its rhizome surviving down to about -29°F (-34°C), and the leaves hold up in heat to roughly 90°F (32°C) before they yellow into summer dormancy. That range spans a wide stretch of temperate gardens.
Humidity
Ordinary outdoor humidity suits it, so there is no number to hit. Cool, moist woodland air is its natural setting, the kind of damp shade that keeps the broad blades taut, and it matters more than any reading.
Feeding
This native barely needs feeding. A spring top-dressing of leaf mold or compost around the emerging leaves is plenty, and heavy fertilizer does nothing for a plant tuned to lean forest soil.
Pruning
There is no pruning to do. The umbrella leaves yellow and die back on their own as the plant goes dormant in summer, and the collapsed foliage can lie where it falls with no fall cleanup.
Repotting
Mayapple is rarely potted or divided, so it mostly stays put. Lift and split a colony only when it gets crowded, the leaves lose vigor, flowering thins, or the pale rhizomes bunch and congest at the soil surface.
Size & spacing
Each plant stands a low 12 to 18 inches (30 to 46 cm) tall, its umbrella held up on a slim stalk, and spreads about 9 to 12 inches (23 to 30 cm) wide, while the rhizome keeps threading outward. Set divisions roughly a spread apart and let the blades knit into a solid colony over time.
When to plant
Mayapple runs on a tight woodland clock. Set out dormant rhizome divisions in fall or container plants in spring, watch for the downturned white bloom in April and May, and look for the smooth golden fruit in late summer before the leaves melt away for the year.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Sow: Not typically sown indoors; seeds need cold stratification and are slow and erratic to germinate
- Plant: Plant dormant rhizome divisions in fall, or container plants in spring after frost
- Harvest: Blooms April to May; fruit ripens to golden yellow in late summer (August to September)
Hardiness
USDA hardiness zones: 3–8
Temperature: down to -40°C
Troubleshooting
Mayapple is a tough native with very few problems, and the one that looks alarming, its umbrella leaves yellowing and vanishing, is usually just the plant going to sleep for the summer. Match what you see below before you reach for any treatment.
Yellow or orange pustules on the leaves
The raised yellow-to-orange bumps scattered across the leaf are rust, a fungus that takes hold where the foliage stays damp and the patch crowds in tight. Pick off every marked leaf and bin it, then thin a dense stand so air slips between the umbrellas and dries their surfaces. The whole plant fades underground each summer, so the spotting rarely lasts into the next flush of leaves.
Fix:
- Remove and dispose of affected leaves
- Improve air circulation by thinning crowded colonies
- Avoid overhead watering to keep foliage dry
Leaves yellow and vanish by midsummer
When the green umbrellas turn buttery yellow and then collapse to nothing by late summer, that is summer dormancy and not a disease. Mayapple is built to yellow, fold, and sink away as the heat climbs, while the pale creeping rhizome stays firm and alive beneath the soil. In a dry, sunny spot the fade comes early, and deeper shade with steadier moisture keeps the leaves standing a few weeks more.
Fix:
- Do nothing; allow the plant to enter dormancy
- Mark colony location to avoid disturbing dormant rhizomes
- Maintain shade and soil moisture to delay decline in dry years
Toxicity
Treat mayapple as a poisonous plant. Every part except the soft, fully ripe, golden-yellow fruit holds podophyllotoxin, a potent toxin that causes severe vomiting, diarrhea, and whole-body effects in people, pets, and livestock alike. Even the milky sap can redden and blister skin and eyes, so wear gloves and keep children and animals away from the leaves, stems, roots, and hard green unripe fruit.
Toxic to
Cats · Dogs · Horses · Rabbits · Livestock · Birds · People
Cats Severe
A cat that bites into any part but the ripe fruit is soon gripped by heavy vomiting and diarrhea, then falls dull and begins to pant. In bad cases the toxin reaches the nervous system, and the sap leaves the skin or eyes red and ulcerated where it touches.
Dogs Severe
Dogs are caught out most, drawn to dig up and gnaw the pale, knuckled rhizome. The picture runs through forceful vomiting, diarrhea, sagging energy, and panting, and a large mouthful can drop into collapse or, rarely, coma.
Horses Severe
A horse that crops the broad leaves, roots, or green fruit meets violent colic-like pain, loose stools, and heavy lethargy. The podophyllotoxin works through the whole body rather than the gut alone, so a horse can go down hard.
Rabbits Severe
The same podophyllotoxin that floors dogs and horses cuts through a rabbit's small body just as sharply. Severe digestive distress and fast weakness set in, so keep mayapple well out of reach of any rabbit that browses the garden.
Livestock Severe
Cattle, goats, and sheep that tear at the foliage or roots in a wooded pasture face hard purging, dehydration, and a wider systemic crash. The plant is bitter on the tongue, yet hungry stock will still take a mouthful.
Birds Severe
Poultry and other birds are not spared. Pecking at the leaves, the rhizome, or the green unripe fruit brings serious gut irritation and a steep loss of vigor, and a small bird tips into danger on very little.
People Caution
Only the fully ripe, golden-yellow pulp is safe to eat, and even then in small amounts. Every other part, along with the hard green unripe fruit, brings severe vomiting, cramping, and systemic poisoning, so keep children well clear and let no one sample the rest of the plant.
Wear gloves when handling; sap can cause severe contact dermatitis and skin ulceration, and is especially hazardous to the eyes. Keep all plant parts and unripe fruit away from children and pets.
Helpline numbers
United States
ASPCA Animal Poison Control: (888) 426-4435 (fee applies)
Poison Control: (800) 222-1222
Canada
Poison Centres: 1-844-764-7669
Varieties
Mayapple is grown almost entirely as the wild species, with just one recognized natural form worth a mention.
Podophyllum peltatum f. deamii
It is a naturally occurring form of the native eastern North American mayapple that botanical references set apart within the species.
How to propagate
Mayapple widens itself through that pale, spreading rhizome, and you can speed it up by division. Seed works too, but only if you have years to spare.
DivisionModerate
Fall, when the plant is dormant · 1 to 2 growing seasons
Division is the surest route to more mayapple, and it follows the pale, creeping rhizome that already threads outward into colonies. In fall, while the plant sleeps, lift that horizontal rootstock and cut it into sections, then tuck them back in. Each piece takes 1 to 2 growing seasons to root down and push up its own umbrella leaves and bloom.
SeedDemanding
Sow fresh seed in fall to allow natural cold stratification · Several years to reach flowering maturity
Seed is the slow road. Sow the fresh seed from inside that golden fruit in fall so winter cold can break its dormancy, then wait, because germination comes slow and patchy and a seedling needs several years to reach flowering size. Left alone in damp shade, mayapple drops its own seed and fills in on its own.
Myths
Mayapple is edible because it grows an edible fruit.
Only the soft, fully ripe, golden-yellow pulp is safe to eat. The pale rhizome, the roots, the green leaves and stems, the seeds, and every hard unripe green fruit carry podophyllotoxin and will make a person or animal very sick. The ripe pulp is the single edible part, and everything else is poison.