Daylilies forum→What to do for bare rooted daylilies in extreme heat?

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Name: Sharon Rose
Grapevine, TX (Zone 8a)
Grace of the Lord Jesus be with all
Daylilies Composter Cottage Gardener Hibiscus Enjoys or suffers hot summers Zinnias
Salvias Bulbs Amaryllis Lilies Clematis Region: Texas
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Altheabyanothername
Jul 25, 2021 3:13 PM CST
Unfortunately, sometimes mistakes happen. A daylily shipment that was to come in September arrived a few days ago. I think they will be fine, but sometimes you just want to make sure.

Temperatures are 103° degree days with it being in the 80's at night. I kept them in the house a couple of days. They are still inside but are now in water. Any suggestions would be extremely welcome! Help!

I have thought of two options:
1. Plant them in containers in the shade. Water them daily with very cold water that I dissolved ice in. Mainly to try and drop the soil temperatures to something bearable.
2. I have a couple of deep trays I could put them in, throw some potting mix around the roots, mainly keeping the daylilies in the house, with some time each day sitting in the shade. Planting them out in September.

Any thoughts to what would work best or anything else I could try, I would love to hear it!

May this week bring you many blessings!
One to take to heart....1 John 4
Name: Larry
Enterprise, Al. 36330 (Zone 8b)
Composter Daylilies Garden Photography Million Pollinator Garden Challenge Garden Ideas: Master Level Plant Identifier
Celebrating Gardening: 2015 Region: Alabama
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Seedfork
Jul 25, 2021 3:33 PM CST
Well, thank goodness we have not had any over 100 degree days this year so far. I have trenches dug with pots buried up to the rim that will have another pot set down inside of it, then mulch put around the base of the plants. It is nice to have those already in place when a new order arrives, and they are also under some shade. I also have some finished compost piles with some shade that are available in case an emergency should arise an no double pot vacancies be available. I could just heel the plants in until a proper home could be found. At least those two options would not require daylily watering with ice water...what a pain that would be.
If you have none of those two options available, I would not suggest digging the trenches in 103 degree weather, I might just keep the plants in the house.
Name: Sharon Rose
Grapevine, TX (Zone 8a)
Grace of the Lord Jesus be with all
Daylilies Composter Cottage Gardener Hibiscus Enjoys or suffers hot summers Zinnias
Salvias Bulbs Amaryllis Lilies Clematis Region: Texas
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Altheabyanothername
Jul 25, 2021 4:11 PM CST
Larry,
Well... Thinking We had not been in the 100's until these showed up. That is what happens sometimes. Big Grin

It is my understanding they can not form roots at these temperatures. I am leaning towards keeping them in the house. I will probably go to the store and get an indoor potting mix. Then take them outside early in the mornings for a little sun. I don't know if they would have enough roots to successfully go heat dormant. I do not want to take the chance.

May Monday be simply marvelous!
One to take to heart....1 John 4
Name: Larry
Enterprise, Al. 36330 (Zone 8b)
Composter Daylilies Garden Photography Million Pollinator Garden Challenge Garden Ideas: Master Level Plant Identifier
Celebrating Gardening: 2015 Region: Alabama
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Seedfork
Jul 25, 2021 5:31 PM CST
I had not heard that about not being able to form roots in high temperatures.
Name: Sharon Rose
Grapevine, TX (Zone 8a)
Grace of the Lord Jesus be with all
Daylilies Composter Cottage Gardener Hibiscus Enjoys or suffers hot summers Zinnias
Salvias Bulbs Amaryllis Lilies Clematis Region: Texas
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Altheabyanothername
Jul 25, 2021 8:06 PM CST
I try to keep it simple...I probably have forgotten way more than I remember these days. Above 86° degrees plants really to start react to the heat. Mid 90's the roots of plants start "panicking". They slow or stop their functions. I assume that means growing.

I see this a lot...Fall I put in three fans....Spring... yeah...4 fans and a small increase come up. Summer heat takes over and the plant goes heat dormant...Fall only three fans come back. Shrug!
I find heat dormant plants need some water. I try not to water where the plant is located underground, but next to it.

Many years ago, I had a well known grower who did not understand heat dormancy. He told me I had to keep watering those plants. If daylilies were turning brown, I was not giving them enough water. Well, if I would have followed his recommendations, the heat and water would have rotted the crowns. I just kind of go to my own beat and of course, I like to see what other people are doing!

May tomorrow be marvelous!

One to take to heart....1 John 4
Name: Larry
Enterprise, Al. 36330 (Zone 8b)
Composter Daylilies Garden Photography Million Pollinator Garden Challenge Garden Ideas: Master Level Plant Identifier
Celebrating Gardening: 2015 Region: Alabama
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Seedfork
Jul 25, 2021 8:31 PM CST
I also have plants that go heat dormant. The amazing thing is that I do grow daylilies in a bog (I mean a very wet standing water bog). Now, I am not saying that I never have rot on a plant down there, I do. But, no more and maybe even less than in my dryer beds up higher on the slope. All season this year the bog has been standing water in many places, lost my shoe in the muck yesterday lost my balance ended up with all hands and feet deep in the muck, and could barely pull my shoe loose. The roots on the plants down there are often very different than plants in the dryer beds (however when digging a bed of seedlings yesterday I realized just how different the roots are on the different cultivars even when planted in the same bed.) But it does appear to me that the roots make an adaptation to constantly being in water. The thing is that when the temp is up in the 90's the great majority of those plants just keep right on growing and many of them now are starting to put out rebloom scapes and are looking very green.
This is our predicted whether for the week, first nice sunny day today in a while.
Thumb of 2021-07-26/Seedfork/bc70ac
I was told that the reason the outer leaves on many daylilies turn yellow is because the leaves lose so much water that the roots can not keep up with the supply of moisture required by them. Therefore the plant starts to shed leaves to keep the moisture lost due to the transpiration thru the leaves at a level the roots can manage. I guess it will be left up to the scientists to say if it the transpiration causing the leaves to shed or the roots shutting down causing it.
Name: Sharon Rose
Grapevine, TX (Zone 8a)
Grace of the Lord Jesus be with all
Daylilies Composter Cottage Gardener Hibiscus Enjoys or suffers hot summers Zinnias
Salvias Bulbs Amaryllis Lilies Clematis Region: Texas
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Altheabyanothername
Jul 25, 2021 9:07 PM CST
I do not know which of these is appropriate... Group hug or Rolling on the floor laughing Rolling on the floor laughing
I feel bad about all that muck and your shoes, but maybe if there was a hidden camera it might have been funny to see.

I do not understand it either. I am wondering if the bog plants' roots have cooler temperatures. Does the water come from underground?

My container daylilies can actually handle water in the summer better. They also go less dormant. I read that when the roots panick they do not send the correct amount of water to the leaves. The plant systems overall do not always perform their normal routine functions.

That is interesting that your bog plants have tell tale root systems. So probably by looking at your plants roots alone you could identify where it was dug from. My containers are pretty huge...those daylilies have different root systems, too.

My daylily loss this last February did not make sense either. I had a couple of containers no losses...exact same container next to it total loss...exact same container next to that a 75% percent loss.
With freezing and that type of loss, you would expect a little 8 inch pot with a fan to be a frozen loss. Nope it made it. My big losses made no sense, except for big loss of seedlings.

Whistling Whistling Whistling Actually I could say almost all of my least favorites made it...the ones I was getting ready to get rid of. Pretty much all my favorites died. nodding The revenge of the daylilies...who are you to pick and choose amongst us. When the new plants are here, I will not let them know who my favorites are ever again. Hilarious!

May blessings be in an overabundance this week!
One to take to heart....1 John 4
Name: Sharon Rose
Grapevine, TX (Zone 8a)
Grace of the Lord Jesus be with all
Daylilies Composter Cottage Gardener Hibiscus Enjoys or suffers hot summers Zinnias
Salvias Bulbs Amaryllis Lilies Clematis Region: Texas
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Altheabyanothername
Jul 25, 2021 9:09 PM CST
@Seedfork I did two acorns one for the Group hug and the other
Cause I Rolling on the floor laughing Rolling on the floor laughing Rolling on the floor laughing ... and could not stop Rolling on the floor laughing

One to take to heart....1 John 4
Name: Maurice
Grey County, Ontario (Zone 4b)
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admmad
Jul 26, 2021 4:19 AM CST
@Seedfork, Leaves turn yellow for several reasons. One of those reasons is the normal result of the leaf age; it usually means the leaf is old and dying. The following quote is from one research publication, "Throughout their lifespan, leaves undergo a series of developmental, physiological and metabolic transitions that culminate in senescence and death. Leaf senescence is an 'altruistic death' that allows for the degradation of the nutrients that are produced during the growth phase of the leaf and their redistribution to developing seeds or other parts of the plant, and thus is a strategy that has evolved to maximize the fitness of the plant."

Other reasons are related to stresses that the plant may experience. One of those stresses may occur when a daylily is dug up, its roots are broken (it may be divided) and then it is replanted. It then does not have enough undamaged root to provide sufficient water, minerals, etc. to support all of its leaves. So the plant will discard (deliberately "kill") some of those leaves. One of the early steps in that process causes leaves to turn yellow.
Maurice
Name: Maurice
Grey County, Ontario (Zone 4b)
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admmad
Jul 26, 2021 4:33 AM CST
Every summer I place many pots with daylilies in them into the edge of our pond. The water level rises and falls in the pond with the rainfall. The pots are different heights. Sometimes some of the plants have their crowns under water for several days. I have never lost a daylily in the pond. I have been doing this for almost 20 years.

At least one daylily grower in Mississippi grows daylilies in large pots in water beds - the water level is kept low but water is continually present.
Maurice
Name: Julie
Roanoke, VA (Zone 7a)
Daylilies Region: Virginia Photo Contest Winner: 2015 Heucheras Cat Lover Hummingbirder
Clematis Lilies Birds Garden Art Butterflies Celebrating Gardening: 2015
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floota
Jul 26, 2021 6:13 AM CST
I'll never forget the first regional meeting I attended over 20 years ago in Richmond, VA. When we visited a large garden ( with a stream running through it) the owner showed us where they had tossed a bunch of discarded seedlings
The previous fall. ( under a bridge that ran over the creek) I was shocked -back then - to see that the daylilies had righted themselves in the shallow creek and were growing and blooming. I have since learned this isn't all that unusual.
Name: Sharon Rose
Grapevine, TX (Zone 8a)
Grace of the Lord Jesus be with all
Daylilies Composter Cottage Gardener Hibiscus Enjoys or suffers hot summers Zinnias
Salvias Bulbs Amaryllis Lilies Clematis Region: Texas
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Altheabyanothername
Jul 26, 2021 8:47 AM CST
So when you don't have running water to put daylilies in ... what about their roots in the heat ....or what can you do for them? Will their roots even grow in high heat?
Confused

May your day be wonderful!
One to take to heart....1 John 4
Name: Julie
Roanoke, VA (Zone 7a)
Daylilies Region: Virginia Photo Contest Winner: 2015 Heucheras Cat Lover Hummingbirder
Clematis Lilies Birds Garden Art Butterflies Celebrating Gardening: 2015
Image
floota
Jul 26, 2021 10:11 AM CST
I don't live in TX, but I have daylily friends who do , and have heard them state more than once that AUG-SEPT there was the most dangerous time for rot to develop. So I'm reluctant to give a lot of advice since our climate is so different. If you know any daylily growers in the area, it would be best to ask them.

Name: Sharon Rose
Grapevine, TX (Zone 8a)
Grace of the Lord Jesus be with all
Daylilies Composter Cottage Gardener Hibiscus Enjoys or suffers hot summers Zinnias
Salvias Bulbs Amaryllis Lilies Clematis Region: Texas
Image
Altheabyanothername
Jul 26, 2021 12:15 PM CST
@floota Thank You! for your response!
I probably grow the most daylilies in this particular area. I just went and bought indoor potting soil. I know they will not make it just being in the house...we try to block all sunlight coming in. When my daughter walks her dogs in the morning, I will walk my daylilies outside for a little sun! Hilarious! I think the answer is apparent that outside is a gamble, and I am not a gambling person . Thumbs up

May every day just get better for you!
One to take to heart....1 John 4
Name: Sharon Rose
Grapevine, TX (Zone 8a)
Grace of the Lord Jesus be with all
Daylilies Composter Cottage Gardener Hibiscus Enjoys or suffers hot summers Zinnias
Salvias Bulbs Amaryllis Lilies Clematis Region: Texas
Image
Altheabyanothername
Jul 29, 2021 4:48 PM CST
This is what I ended up doing for the daylilies. They sat for a few days with water and a little hydroden peroxide. I purchased indoor potting soil. I went to the dollar store and bought 8 buckets that hold 9 quarts. In 4 of the buckets, I drilled 4 holes in the side about one inch from the bottom. In the bottom of the 4 buckets that were not drilled, I put some old styrofoam pieces. The bucket with holes was put inside the other bucket. The stryofoam lifts the inside bucket up to allow water to drain underneath while the second bucket does not allow water to leak on my floor.

In a 5 gal. bucket, the daylilies were soaked and completely covered in 2 1/2 gallons of water and with 1 cup hydrogen peroxide for about an hour. I then pulled off most of the outer leaves, checked crowns, and cut off any bad root parts. Gave them a quick dip again, let them dry, and potted them. I have been taking them in and out of the house. Nice and light, very easy for me to move.

Pretty inexpensive for temporary potting. Later on, I can use those buckets in the garden for rooting, seeds, etc.

Due to lighting, their coloring is off making them look whiter than they are.
Thumb of 2021-07-29/Altheabyanothername/c627dd

May every day find you with a smile on your face!

One to take to heart....1 John 4
Name: Roger & Karen
Birmingham, Al (Zone 7a)
Daylilies Plant and/or Seed Trader Region: Alabama Butterflies Enjoys or suffers hot summers Seed Starter
Hummingbirder Critters Allowed
Diggerofdirt
Jul 29, 2021 8:04 PM CST
We also have summer dormants. Sometimes it just gets too hot for them. If they are bare root I might plant them in some good compost in a pot and keep them in the shade. Maybe even keep in the basement. They should do fine which ever way these great advisors in here explained. Which ever way you decide? All great advice to the zones each of us are in.
Every home needs a daylily, and every daylily needs a home.
Name: Sharon Rose
Grapevine, TX (Zone 8a)
Grace of the Lord Jesus be with all
Daylilies Composter Cottage Gardener Hibiscus Enjoys or suffers hot summers Zinnias
Salvias Bulbs Amaryllis Lilies Clematis Region: Texas
Image
Altheabyanothername
Jul 31, 2021 11:05 PM CST
@Judyannz7

Thank You! for the acorns!

May kindness be at your door!
One to take to heart....1 John 4

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