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Aug 5, 2017 5:33 PM CST
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Name: Frank Richards
Clinton, Michigan (Zone 5b)

Hydrangeas Peonies Celebrating Gardening: 2015 Plant Identifier Garden Ideas: Master Level
I have some Pseudata iris that get up to 4 feet or more.

are there any TB iris that get this tall? or taller?
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Aug 5, 2017 6:58 PM CST
Moderator
Name: Kent Pfeiffer
Southeast Nebraska (Zone 5b)
Charter ATP Member I was one of the first 300 contributors to the plant database! Plant Database Moderator Plant Identifier Region: Nebraska Celebrating Gardening: 2015
Million Pollinator Garden Challenge Forum moderator Irises Garden Sages Garden Ideas: Master Level
It's a little unusual for a tall bearded iris to be that tall, but there are around 200 with a registered height of 48 inches or more. There are also over a 1000 TBs with a registered height between 42 and 48 inches. Many of those would probably grow past four feet under the right conditions.

I had a TB seedling last year that topped out at over 60 inches tall so they are certainly capable of reaching 4 feet plus. I suspect most really tall TBs end up in the compost pile (like my seedling). The taller they are, the more vulnerable they are to weather, particularly wind.
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Aug 5, 2017 7:16 PM CST
Name: Leslie
Durham, NC (Zone 8a)
Garden Photography Cat Lover Irises Region: North Carolina Peonies Enjoys or suffers hot summers
Celebrating Gardening: 2015
I had two TB's over 4 feet last year and you really do need to stake them in bad weather. One grew to 54 inches and I had to tape two stakes together to be tall enough. While eye catching, that tall is very difficult to keep standing.
"The chimera is a one time happenstance event where the plant has a senior moment and forgets what it is doing." - Paul Black
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