Ornamental · Berberidaceae
Mayapple
Podophyllum peltatum
A woodland native that raises its umbrella leaves in spring, then quietly disappears by midsummer.
Full shade
Every 3–7 days
730–1825 days
USDA 3–8
Overview
Mayapple carpets the shaded floor of eastern North American woods, sending up paired leaves that open like little green umbrellas. It spreads by a creeping underground rhizome, so a single plant slowly becomes a colony that can blanket a damp, wooded patch. The whole thing is a true woodland native, at home under a high canopy where little else fills in.
A flowering plant carries two leaves and hides one nodding white bloom in the fork between them, out of sight unless you stoop to look. That flower gives way to a single fruit that ripens to golden yellow in late summer, the only part of the plant that is safe to eat. Everything else holds a potent toxin.
What sets mayapple apart is its short, dramatic season. It pushes up in spring, blooms, sets fruit, and then dies back completely as summer heat arrives, leaving bare ground until the next year. Plan for that gap and it makes a striking, low-effort groundcover for the right shady spot.
Care
The short version: plant it in full to partial shade in moist, humus-rich, slightly acidic soil, keep it watered through spring, and let it go dormant and disappear on its own once summer heat sets in.
Light
Mayapple is a true shade plant that wants full to partial shade under a tree canopy. It will take a little morning or dappled sun, but a hot, open site forces it into early dormancy and can scorch the leaves.
Water
Give it steady, even moisture in spring while the foliage is up, since it grows in damp woodland soil. An established colony shrugs off some drought because it simply goes dormant, but dry ground in an exposed spot makes it fade early.
Soil
Plant in moist, humus-rich soil that drains well, anything from sandy to loamy as long as it is full of leaf mold and organic matter. A slightly acidic pH of 5.0 to 6.0 matches the woodland floor it comes from.
Temperature
Mayapple is remarkably cold-hardy, surviving down to about -29°F (-34°C) and handling heat up to roughly 90°F (32°C) before it retreats into summer dormancy. That range covers 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, and shade plus damp soil do more for it than anything you could measure.
Feeding
This native barely needs feeding. A spring top-dressing of leaf mold or compost is plenty, and heavy fertilizer does nothing useful for a plant adapted to lean forest soil.
Pruning
There is no pruning to do. The foliage yellows and dies back on its own as the plant goes dormant in summer, and you can leave it where it falls with no fall cleanup needed.
Repotting
Mayapple is rarely potted or divided, so it mostly stays put. Lift and split a colony only when it gets crowded, the vigor drops, flowering thins, or the rhizomes start congesting at the soil surface.
Size & spacing
Each plant stands a low 12 to 18 inches (30 to 46 cm) tall and spreads about 9 to 12 inches (23 to 30 cm) wide, but the rhizome keeps creeping outward. Set divisions roughly a spread apart and let them knit into a 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 white bloom in April and May, and look for the ripe golden fruit in late summer before the plant fades 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 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
This is rust, a fungus that takes hold when the leaves stay damp and the colony grows too thick. Pull off the spotted leaves and bin them, and thin a crowded patch so air can move through. The plant dies back on its own in summer, which keeps the problem from carrying far.
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
This is almost always summer dormancy, not a disease. Mayapple is built to fold up and rest once the heat arrives, and the rhizome stays firm and alive underground. If a dry, sunny spot is forcing the plant down early, more shade and steadier moisture buy you a few extra weeks of leaf.
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 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 handling it can irritate skin and eyes, so wear gloves and keep children and animals away from the leaves, stems, roots, and unripe green fruit.
Toxic to
Cats · Dogs · Horses · Rabbits · Livestock · Birds · People
Cats Severe
A cat that chews any part but the ripe fruit can be hit with heavy vomiting and diarrhea, then grow listless and start panting. In bad cases the toxin reaches the nervous system, and sap on the skin or in the eyes leaves redness and ulcers.
Dogs Severe
Dogs are the most common victims, since they will dig up and gnaw the rhizome. Watch for forceful vomiting, diarrhea, drooping energy, and panting; large doses can drop into collapse or, rarely, coma.
Horses Severe
Grazing the leaves, roots, or green fruit brings on violent colic-like upset, loose stools, and deep lethargy. The podophyllotoxin works on the whole body, not just the gut, so a horse can go down hard.
Rabbits Severe
The same podophyllotoxin that floors dogs and horses is just as dangerous to a rabbit's small body. Expect severe digestive distress and rapid weakness, so keep mayapple well out of reach of any rabbit that browses the garden.
Livestock Severe
Cattle, goats, and sheep that nibble the foliage or roots in a wooded pasture can suffer hard purging, dehydration, and a wider systemic crash. The plant is bitter, but hungry stock will still take it.
Birds Severe
Poultry and other birds are not spared. Pecking at the leaves, rhizome, or unripe fruit can trigger serious gut irritation and a steep loss of vigor, and a small bird needs very little to be in danger.
People Caution
Only the fully ripe, golden-yellow pulp is safe to eat, and even then in small amounts. Every other part, plus the unripe green fruit, brings on severe vomiting, cramping, and systemic poisoning, so keep children well clear and never let anyone 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
A naturally occurring form of the native eastern North American mayapple that botanical references set apart within the species.
How to propagate
Mayapple multiplies on its own through its spreading rhizome, and you can speed that along 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 way to make more mayapple, since the plant already spreads into colonies on its own. Lift and split sections of the creeping rhizome in fall while it sleeps, replant them, and give each piece 1 to 2 growing seasons to settle in and start carrying its own leaf and flower.
SeedDemanding
Sow fresh seed in fall to allow natural cold stratification · Several years to reach flowering maturity
Growing from seed tests your patience. Sow fresh seed in fall so the winter cold can break its dormancy, then wait, because germination is slow and uneven and a seedling needs several years to reach flowering size. Left to itself in the right damp shade, mayapple will quietly self-seed anyway.
Myths
Mayapple is edible because it grows an edible fruit.
Only the fully ripe, golden-yellow pulp is safe to eat. The rhizome, roots, leaves, stems, seeds, and every 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.