Irises forum: Moss in iris patch...how to get rid of it????

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Name: Sue Petruske
Wisconsin (Zone 5a)
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petruske
Mar 26, 2016 7:58 PM CST
I have SO MUCH moss on many of my iris patches. I have about 90 varieties and I'm guessing at least half of them have moss in them.

I don't have any mulch on the iris.

I've tried vinegar which worked for a while but it came back. It also did harm to the iris, even though I tired to keep it off of them.

I read somewhere that lime would help. I put some on the worst patches last fall but I see the moss is already going strong this spring.

I've even dug clumps of it out but just can't get it all and it grows right back.


Thumb of 2016-03-27/petruske/6a5976

Name: Leslie
Durham, NC (Zone 8a)
Region: North Carolina Irises Cat Lover Garden Photography Enjoys or suffers hot summers Celebrating Gardening: 2015
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Lestv
Mar 26, 2016 8:18 PM CST
I would scrape off the larger clumps of moss, then spread garden lime (pulverized) on the bed. Make sure to water in the lime so it spreads through your soil. I would also have your soil tested. It is obviously acidic with so much moss.
My road calls me, lures me west, east, south & north; most roads lead men homewards, my road leads me forth. - John Masefield
Name: Lucy
Hamilton, MA (Zone 6b)
irises
Charter ATP Member Cottage Gardener Enjoys or suffers cold winters Region: United Kingdom Region: Northeast US Irises
Region: United States of America
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irisarian
Mar 26, 2016 9:57 PM CST
yes, Moss doesn't like lime.
Name: Tom
Southern Wisconsin (Zone 5b)
Irises Vegetable Grower Butterflies Region: Wisconsin Keeps Horses Cat Lover
Dog Lover Keeper of Poultry Daylilies Celebrating Gardening: 2015
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tveguy3
Mar 27, 2016 5:15 AM CST
Sue, Welcome! Haven't seen you on here before. A fellow Cheese Head! Thumbs up
I am not afraid of an army of lions led by a sheep; I am afraid of an army of sheep led by a lion. - Alexander the Great
Name: Arlyn
Whiteside County, Illinois (Zone 5a)
Irises Beekeeper Region: Illinois Celebrating Gardening: 2015
crowrita1
Mar 27, 2016 6:35 AM CST
Yes, Welcome! Sue ! We have a lot of moss as well,....in the iris beds, perennial beds, AND in our crushed limestone driveways! I've heard the 'moss doesn't like lime", and "sprinkle lime on it", and "squirt it with vinegar " many times, and tried them all, and none seems to work for me !..........we scrape the worst off, and spray the remainder with Bayer's Moss and Algae killer.....which doesn't seem to hurt anything else, ....and that seems to "knock it down", pretty well, but, it always comes back Shrug!
Name: Mary Ann
Kentucky
I was one of the first 300 contributors to the plant database! Region: United States of America Hostas Hummingbirder Daylilies Birds
Irises Keeps Horses Region: Kentucky Farmer Container Gardener Celebrating Gardening: 2015
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Muddymitts
Mar 27, 2016 6:40 AM CST
I had success sprinkling lime on my Iris beds where moss was growing. It worked fine! I was kinda heavy-handed with it, tho...... But it does come back -- can't change the basics of Mother Nature!

Hi Sue. Glad you joined us! Welcome!

Thoughts become things -- choose the good ones. ([url=www.tut.com]www.tut.com[/url])
Name: Sue Petruske
Wisconsin (Zone 5a)
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petruske
Mar 27, 2016 6:57 AM CST
Thank you all. It sounds like lime is the way to go. I'll keep a regiment of that going starting this spring. I will scrap off the big chunks of moss and treat with the lime. The worst spots are around the tamarack tree which is the type of pine that loses its needles every year. They all blow into the garden so I'm sure that whole area is quite acidic. I do need to take the time and have some soil tests done.

I appreciate all the advise. Thank You! Hurray!
Name: Leslie
Durham, NC (Zone 8a)
Region: North Carolina Irises Cat Lover Garden Photography Enjoys or suffers hot summers Celebrating Gardening: 2015
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Lestv
Mar 27, 2016 10:25 AM CST
I am sure you are talking about bearded iris, but just to be safe I need to add: don't put lime on Japanese iris, it will kill them.
My road calls me, lures me west, east, south & north; most roads lead men homewards, my road leads me forth. - John Masefield
South central PA (Zone 6a)
Irises Region: Pennsylvania
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DaveinPA
Mar 27, 2016 10:30 AM CST
Welcome Sue.
The application of lime is the way to go, but the soil may be so acidic that it only helps a little. That soil test will help you know how much more to add. Vinegar will just add to the acidity so avoid that.

Region: California Cat Lover Irises Enjoys or suffers hot summers Dog Lover
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iciris
Mar 27, 2016 5:58 PM CST
Welcome! Sue, hope you enjoy this crazy, knowledgeable, fun filled group of Iris enablers!
Name: Sue Petruske
Wisconsin (Zone 5a)
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petruske
Mar 27, 2016 7:48 PM CST
DaveinPA said:Welcome Sue.
The application of lime is the way to go, but the soil may be so acidic that it only helps a little. That soil test will help you know how much more to add. Vinegar will just add to the acidity so avoid that.


I'm glad you told me about the vinegar. Won't do that again. Whistling

Name: Sue Petruske
Wisconsin (Zone 5a)
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petruske
Mar 27, 2016 7:50 PM CST
Lestv said:I am sure you are talking about bearded iris, but just to be safe I need to add: don't put lime on Japanese iris, it will kill them.


Yes, it's the bearded iris. I have one patch of Japanese (or Siberian iris ??), same thing??? Anyway, they are so overgrown there isn't any room for moss to grow there. Smiling

Name: Debra
Garland, TX (NE Dallas suburb) (Zone 8a)
Service dogs: Angels with paws.
Dragonflies Dog Lover I was one of the first 300 contributors to the plant database! Garden Photography Bee Lover Plays in the sandbox
Butterflies Region: Texas I sent a postcard to Randy! Charter ATP Member Annuals Garden Sages
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lovemyhouse
Mar 27, 2016 7:52 PM CST
Welcome, Sue! Smiling
Welcome! Welcome!
If you don't ask, the answer is always 'no.'
Name: Sue Petruske
Wisconsin (Zone 5a)
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petruske
Mar 27, 2016 7:56 PM CST
Phillipb2 said: Welcome! Sue, hope you enjoy this crazy, knowledgeable, fun filled group of Iris enablers!


Thank you all for the wonderful welcome. I've been on ATP for quite a while now, but I spend most of my time on the daylily forum. Thought I better come here and get the low down on that darn moss since I've been unsuccessful dealing with it. I'm sure going to tackle it with the lime and get a soil test too.

Thank You! ALL and I'll keep you updated through the year to let you know how it's going.

Name: Debra
Garland, TX (NE Dallas suburb) (Zone 8a)
Service dogs: Angels with paws.
Dragonflies Dog Lover I was one of the first 300 contributors to the plant database! Garden Photography Bee Lover Plays in the sandbox
Butterflies Region: Texas I sent a postcard to Randy! Charter ATP Member Annuals Garden Sages
Image
lovemyhouse
Mar 27, 2016 7:59 PM CST
Thumbs up Thumbs up
If you don't ask, the answer is always 'no.'
Name: Lucy
Hamilton, MA (Zone 6b)
irises
Charter ATP Member Cottage Gardener Enjoys or suffers cold winters Region: United Kingdom Region: Northeast US Irises
Region: United States of America
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irisarian
Mar 27, 2016 9:58 PM CST
Siberian & Japanese irises are both beardless, but not the same thing. I moved to New England, but was born a cheesehead. & still follow the Packers.
Name: Linnea
Southern Maine, border 5b/6a (Zone 5b)
Irises Winter Sowing Plant and/or Seed Trader Permaculture Composter Organic Gardener
Garden Art Daylilies
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Linneaj
Mar 27, 2016 10:56 PM CST
I leave the moss alone or move it between stepping stones. I like it.
Don't make fear based decisions.
Name: Sue Petruske
Wisconsin (Zone 5a)
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petruske
Mar 28, 2016 5:21 PM CST
irisarian said:Siberian & Japanese irises are both beardless, but not the same thing. I moved to New England, but was born a cheesehead. & still follow the Packers.

Hurray! Go Pack!!!
Name: Sue Petruske
Wisconsin (Zone 5a)
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petruske
Mar 28, 2016 5:23 PM CST
Linneaj said:I leave the moss alone or move it between stepping stones. I like it.


I love the moss too, just not in the iris patch. Between stepping stones would be beautiful!!! I agree

Southern California (Zone 10a)
Native Plants and Wildflowers Irises
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IrisHart
Mar 28, 2016 8:01 PM CST
It's kind of mind boggling to read about struggles with moss. It's so very rare to see it here.

In SoCal it's dry nearly always -- so no moss. Would be doomed any way because we are sitting on limestone.

We certainly have our problems, just not that one. Interesting the regional differences. One of the problems we do have is the one Carl mentioned the other day -- shorty irises. He said it's due to spells of hot weather. Makes sense -- and I'm glad to finally have an explanation.

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