Tagged Questions

For questions about growing fungi or curing fungal diseases.

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3
votes
0answers
28 views

Is this powdery mildew?

I have a bunch of these flowers - I don't know their names, but they're planted all around Israel alongside traffic circles and in public places. They're very hardy, but just recently I noticed this ...
5
votes
1answer
59 views

How can I control mint rust?

Sharing knowledge here: Since I live in the San Francisco Fog Belt, I suffer from a variety of soil-borne funguses, including mint rust. In fact, mint rust is so severe that in the past I've had to ...
4
votes
1answer
119 views

What are these mushrooms growing in the mulch around my orange tree

I have 2 or 3 types of mushrooms growing in the mulch around my orange tree near Houston, Texas (UDSA Zone 9a). What are they? The the last picture is actually 3 clustered, I haven't pulled it up yet ...
3
votes
2answers
77 views

What are all the methods to control powdery mildew?

This particular disease is totally vexing! I admit, I love cramming plants together, especially in a garden. I hate bare soil. I do prune for aeration. I do use free water to wash off leaves early ...
3
votes
2answers
87 views

What is this yellow mold or fungus in my container?

I found this yellow looking patch underneath the branches of my rosemary plant. I did not see it near either of the other 2 plants in the container. I dug the yellow stuff up, it seemed surface level, ...
3
votes
1answer
140 views

What is this fungus in my indoor snake plant's pot, and is it harmful?

I've had a snake plant growing indoors for about a year. Twice now in the last month I've had to remove some fungus that sprouted over the surface. The planter is located next to a patio door, which ...
1
vote
1answer
72 views

What kind of mushrooms are these?

I've noticed these mushrooms growing in my backyard today. They are likely thriving on dead grass that my lawnmower has been leaving behind. Can anyone identify them? I am located in the Houston, ...
3
votes
1answer
127 views

A fungus was growing before my eyes when I was weeding. What was it?

I was pulling out some weeds and must have touched something, because all of a sudden something was coming out of the ground. I thought it was a snake, but then it became like a white and black ...
3
votes
1answer
187 views

How do I get rid of worm-like trails all over my Senetti plants' leaves?

I have had a Senetti (more info) for about 18 months, and last year it was attacked by aphids. Initially the leaves had a worm like discolouration, as if something was attacking or eating them. Are ...
3
votes
1answer
176 views

Identification of fungus like fuzz on apple tree

This is an apple tree in western Germany that recently began to show some white fuzz on a couple of snags on the tree. Can you identify this by the shown picture? Does it any harm, shall I take any ...
2
votes
3answers
86 views

What is this dark purple discoloration on my Apache Blackberry?

I bought a young Apache Blackberry plant in a 4'' container. I transferred it to a gallon glazed clay pot. I use wood chip mulch. It has been around 2 months and the leaves are getting much bigger, ...
5
votes
1answer
260 views

Is this mint fungus, or over/under watering my plant?

I have two mint plants that have grown without much fanfare. Occasionally I do notice the odd leaf with very dark brown edges, almost black. Some leaves also appear to have a powdery white substance ...
3
votes
1answer
77 views

Identify this Insect or Fungus. Possible Scale

I do not know the name of the plant and I have battled brown scales on my ficus before at my office. What is attacking this plant? Could it be some type of white scale? It is not mealybugs.
3
votes
1answer
117 views

Is this disease or sun damage on my Japanese maple?

There are dark-rimmed grey/white patches on my recently gifted Omurayama Japanese maple. Is this due to disease, or simply sun damage? There is the uncommon hole on leaves rimmed with the same ...
2
votes
1answer
41 views

Peaches, plums, and brown rot

According to http://www.ent.uga.edu/peach/peachhbk/fungal/brownrot.pdf Wild plum thickets are an important source of spores for both primary and secondary infections. Wild plums bloom before and ...
2
votes
1answer
590 views

White fungus growing on tree branches

This tree has had a tough time recently. It was heavily pruned by a former resident, and until recently was buried in the middle of a dense bamboo grove. The bamboo visible to the right is 30+ feet ...
1
vote
1answer
405 views

Fungi on the outside of clay pot

I recently bought some clay pots and put a one year old date palm in it using a potting mix of 1 year old compost, leaf mold and very few of bought horse-manure-mix. For drainage I used some stones. ...
4
votes
1answer
254 views

How do I prevent growth of fungus on outer wall of ceramic pots?

Many times fungus gets accumulated on the walls of my ceramic pots, it gets too thick & smelly. It is difficult for me to completely remove it with knife. Is their any way by which we can prevent ...
2
votes
1answer
556 views

Orange spherical fungus in garden

We have a weird orange spherical fungus growing in our garden, any idea what it is and if we need to do anything special to get rid of it?
2
votes
2answers
134 views

Monstera Something or other with brown crud on the leaves

I have a pot plant with Swiss cheese kind of foliage that has got some problem possibly some sort of parasite or fungal infection, I have no idea. It's like red-brown rust that brushes off fairly ...
3
votes
1answer
351 views

oak tree white fuzz

Any idea what this is on my oak tree?? We are in the middle of a drought in central illinois and I've been seeing this on the back of my leaves.
5
votes
2answers
122 views

Mycorrhizae Innoculant. When/where/on what do I use this?

I saw a video of a guy using this symbiotic fungus powder on legume root balls that he placed in a green manuring bed. Is there a point to using this stuff in general? Right now I'm a few days away ...
6
votes
2answers
329 views

What is this fungus or weed growing in my flower bed?

I came home today and noticed two patches of this stuff in my flower bed. I recently put down new mulch and I just started watering my lawn again. I live in Texas. 1) Is this a fungus? 2) Is it ...
4
votes
0answers
40 views

What to do about fungus in lawn? [duplicate]

Possible Duplicate: Should I be concerned about mushrooms in my lawn? Every time I mow my lawn, I find a few of these bulbs of fungus. Sometimes they are brown like in the picture I took ...
9
votes
1answer
1k views

Can I eradicate blackspot on roses with a winter pruning?

In mid-winter, I pruned my standard roses back harshly. Black-spot can be a problem on these roses. The pruning is such that they have hardly any leaves. The remaining leaves do not have any ...
8
votes
1answer
697 views

Why do my tomato leaves look powdery?

I have a threesome of tomato plants planted in on my porch. All three have some leaves that seem to be a bit white and powdery. One of the leaves has even started to turn a bit brown. I don't think ...
11
votes
5answers
2k views

What do I do about the whitish powdery mold on my peonies?

Very early this year (starting in mid-May) my peonies' foliage was covered in whitish-gray powdery mold. What is it and what if anything should I do about it?
9
votes
1answer
845 views

What is this white growth on my cactus?

I have several cacti growing in my yard and one (t. pachanoi, if it matters) has developed a white layer across the top of the plant. It is very fine and looks almost sandy, like perhaps a mould or ...
21
votes
3answers
10k views

How to prevent avocado from drying out indoors?

I have an avocado plant that has grown indoors since it was a pit. It grew first in a badly insulated, north-facing, wet and cool house, where it grew splendidly. After i moved to a well insulated ...