Questions tagged [fungus]

For questions about growing fungi or curing fungal diseases.

Fungi (singular: fungus) constitute a complete biological kingdom (ie. the same level of classification as "animals" and "plants"). Fungi are divided into Eumycota (true fungi), myxomycetes (slime molds), and oomycetes ( molds).

Mycology (the study of fungi) is often considered a branch of botany, although in reality fungi are more closely related to animals than plants.

Fungi are rarely visible as they feed on and dead matter. They often only become visible when they produce a fruiting body such as a mushroom or mold.

Many kinds of mushroom are , and a gardener can grow mushrooms for eating. Questions about growing mushrooms should use the tag.

Fungi can also pose problems for gardeners in the form of various plant and molds, and will often look like a viral or bacterial infection. Use this tag for all questions about dealing with infections.

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What is the fungus and is it dangerous to my watermelon plant?

When I checked on the watermelon plant today I found this odd discoloration at the soil level, hidden under the leaves right by one of the fruits. I assume this is a fungus; is it dangerous? And if so, what should I do about…
Yamikuronue
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Help with spearmint plant. Potential stem rot?

I bought a mint plant a few months ago as my first plant and have been haphazardly taking care of it as best as I can. Apparently I had not been watering it enough as I read around in various forums and also plan on giving it more light. The stem…
davidowens
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Not sure what is happening to tomato plant

Not sure what is happening to my tomato plant. Plants have been in a really sunny spot. We had been in a drought, but we’re consistently watering. Then the last few days it started raining pretty heavy all day.
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Hollyhock deteriorating immediately after blooming

I live in Denver, CO and last year I planted 2 Hollyhock plants in my backyard. The plants were about 1 foot tall when I put them in the ground and they are in a spot where they get full sun/plenty of water. Unfortunately I lost one of them over…
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Newly Transplanted Palm with Fungus Issue

Hello all. I had 2 palms put in June 9th 2020. Both of them were hurricane cut. The healthy one, not pictured here, still had a couple of fronds and looks great. The other - these photos - has zero fronds and also is having fungal issues. The…
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Tiny black spots on blue morning glory plant

Does anyone know what these tiny black spots on the leaves of my morning glory plants are? It seems that the spots are only on the top of the leaf, not under. I also saw a couple on a petiole. I was able to wash the specks off with soapy water. I…
JoshuaTree
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Fungus gnats and mushrooms in a Walmart strawberry plant

Two weeks I bought a $10 everbearing strawberry plant from Walmart. It looked the most alive out of all the Walmart options. I immediately repotted it into a larger pot that stays out on my balcony. I use a moisture meter and have watered her just…
Nicole
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Can Copper Fungicide be used on an apple tree with fruit already growing?

I was wondering if its possible to cover the growing apples with a plastic bag while I spray the leaves with this Copper Fungicide. I read somewhere that your not supposed to spray the Copper Fungicide if fruit is already growing. I came here to…
Chris Manning
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Fungal or bacterial infestation ? Pachypondium Lamere or Pin Palm

I have this Madagascar Pin Palm or Pachypondium Lamerei which has been attacked by some kind of fungal or bacterial infestation. I've been using an antifungal solution, yesterday was the 3rd application (spraying the solution mixed with water once a…
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Help with columnar blue spruce

Last summer (and after checking info on posts here) I planted three columnar blue spruce trees (picea pungens fastigata). In the fall, I noticed needles losing color and later dropping, leaving little branches bare at the bottom and moving up the…
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good or bad guys in compost bin?

I am making this compost at home using green and brown materials (egg shells, banana peel, kitchen waste, dead leaves, green leaves, etc.). While there is no bad smell or any liquid discharge, I recently noticed these three things that I am not sure…
4-K
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What are these fungus-like things in my tree?

A few days back I realized there is some kind of fungus-like growth on my lemon tree and it has affected the plant growth so much. The leaves just don't grow and the tree seems to dry out. Today I noticed one more tree (I don't know the name of the…
Divya
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What is this white tuber on my cactus?

Yesterday I noticed that my cactus had a white tuber type thing growing out of it. Is this normal? It's almost doubled in length in the past 36 hours.
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Should I tell my vineyard consultant to spray my fruit trees with the sulfur he sprays on the vineyard?

We have a very small (450 vines) pinot noir vineyard that we are raising organically. My vineyard consultant has people spray the vines with sulfur a few times each season. Last year, one of my apple trees (about 7 years old) just broke and fell…
user227963
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Small powdery white around bottom of stems of a Peace Lily, and some brown lesions on some of the leaves

Problems: I recently noticed some small powdery white regions around the bottom of some of the stems on my peace lily, below are some examples: They become less prominent when wet, but are visible again immediately after the regions dry…
Xzinn
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