Irises forum→Resetting a rebloomer bed

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Name: Gail Canty
North louisiana (Zone 8a)
Sep 12, 2020 1:19 PM CST
We are raising up our bed of rebloomers as there was some rot this summer. We dug them all this morning and cleaned them up along with cutting the leaves to 6".
Next weekend we will add new soil and replant as this is the perfect time in North Louisiana. What soil amendments would y'all suggest and what about fertilizer at replanting time?
This wheel barrow was heaped to overflowing when we finished. The fans are all laid out on the potato racks in the bunny barn to harden off until next week.
Thumb of 2020-09-12/Jcanty/feeafb

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
Sep 12, 2020 4:20 PM CST
It's hard to tell you what to add to the soil not knowing what kind of soil you have. It's always best to have a soil test done, then you know what's lacking and can add what's needed. Usually it's best to add any new fertilizer in the spring, however in your area I don't think your winters are harsh enough to be worried about new growth being affected by freezing.
Voltaire: "Those who can make you believe absurdities, can make you commit atrocities,"
Name: Arlyn
Whiteside County, Illinois (Zone 5a)
Irises Beekeeper Region: Illinois Celebrating Gardening: 2015
Sep 14, 2020 5:12 AM CST
I second the need for a soil test !If you don't know where you are, it's hard to tell which way you need to go ! As to "when", I'd say, in your climate, I'd apply about 1/3 of the recommended amounts at planting time, and the remainder in the early spring. Same for lime (if it's needed). Any "organic" amendments (compost, etc.)can be added at any time.
Name: Laurie
southeast Nebraska (Zone 5b)
Irises Butterflies Bulbs Cat Lover
Sep 14, 2020 4:55 PM CST
Does anyone know what the recommended amounts of soil nutrients are for irises? The test results come back, but what do the numbers mean and what do you compare them to? Confused About all I've read regarding specific numbers for iris is that they like a slightly acidic soil (pH of 6.8). Please point me to a soil nutrient level chart for iris. Thanks!! Smiling

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