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Jun 4, 2020 6:06 AM CST
NW Wisconsin (Zone 4b)
Butterflies Dahlias Winter Sowing Region: Wisconsin
Hello again! I need some further assistance.

What do you do when you have just leaves and no blooms? This is the second year I have had this issue. I don't know if these are just spent rhizomes and their time is done, the leaf fans look healthy, just short and individual leaves look thinner In their width then years past. We have also had late winters or a late snow into April the last two years in my area so I don't know if this causes issues too.

Should I be fertilizing more? Generally I work superphosphate into my soil each spring and use compost in the beds. The best luck I had with blooms was when I used bone meal, but then I had every stinking loose dog in town digging in my beds. (It'd be great if they could make that stuff odorless to every animal). I was told once that when the blooms that emerge are weak in color they are about done. I have never had that happen, just the continued lack of blooms.

Thanks for your help! I'm in the process of getting an order ready but if I need to order a few more (hey, any excuse Green Grin! is ok) because the others are at the end of their lifespan, I'll do so. Thank You!
🍁"The leaves fall, the wind blows, and the farm country slowly changes from the summer cottons into its winter wools." — Henry Beston, Northern Farm
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Jun 4, 2020 7:31 AM 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
Individual fans have a limited lifespan. It's roughly one to three years and its end is (hopefully) signaled by the production of a bloom stalk. However, the overall clump is essentially immortal. That's assuming they aren't wiped out by disease, pests, or some other disaster, of course.

Generally, when irises don't bloom it's either because they are over crowded or they aren't getting enough sun.
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Jun 4, 2020 7:39 AM CST
NW Wisconsin (Zone 4b)
Butterflies Dahlias Winter Sowing Region: Wisconsin
Thank you for that information. I will keep this in mind and do some moving of plants later this summer. I grew up w irises of all types but I guess don't recall mom splitting or doing anything special with them, they just grew and were lovely. Appreciate your help in making mine do better!
🍁"The leaves fall, the wind blows, and the farm country slowly changes from the summer cottons into its winter wools." — Henry Beston, Northern Farm
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Jun 4, 2020 11:44 PM CST
Name: aud/odd
Pennsylvania (Zone 6b)
Garden Ideas: Level 1
@ScarletTricycle, my first garden my mom gave me Iris that were in her garden. I remember seeing them bloom every yr as a kid. I could not figure out why they were not blooming. My Mom said it was because I had buried them to deep and had 3" of mulch on them.

Here are some good instruction and illustration.

https://www.wikihow.com/Grow-I...
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