gardenchatter

Garden adventures and advice…

Dog Vomit Fungus

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Yep! That’s what it’s called. And those of you with dogs (or cats) will certainly see the resemblance. This little gem (pictured) startled me one day on my way to the back door and I wasn’t completely sure how it got there.

Dog vomit fungus (Fuligo septicai) is most often found sprouting on wood mulch or lawns during warm, wet weather – and has a tendency to magically appear overnight. Technically a slime mold, dog vomit fungus varies in color from bright yellow to an unpleasant orange tone as the mold begins its fruiting stage. As the slime mold ages over the next couple of days and conditions dry out, it becomes a dark, hard mass, then turns into a crusty mound and eventually moves into the spore state.

Migrating to moist and shady areas, the wind-borne spores patiently wait for the right conditions and when they arrive, absorb that extra moisture and open up to start the process all over again, producing a brand new patch of vomit-like mold.

While odd looking, dog vomit slime mold is harmless and won’t damage plants. It will disappear on its own within a few days, but if you prefer you can break it up with a rake or use a trowel to remove it before the spores develop.

(close up below)

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Author: gardenchatter

I'm a horticulturalist, a garden experimenter and member of GardenComm International (garden communicators) who enjoys playing in the dirt and growing a wide variety of veggies, plants and flowers in my Zone 5 garden. Check out my website http://www.wowmygarden and the gardenchatter podcast at https://anchor.fm/cheryl-losch.

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