Daylilies forum→Evergreen Daylilies in Florida

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Name: Maurice
Grey County, Ontario (Zone 4b)
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admmad
Nov 3, 2019 12:47 PM CST
Below is the description of the winter growth of a number of daylily cultivars at Gainesville.
"Of the 134 clones listed in the accompanying table, it is seen that 22 are designated as "F". These daylilies are fully evergreen and are characterized by excellent foliage masses which are of great merit in our winter gardens. The 18 varieties classed as "G" make a good winter show but the leaf masses are not quite as heavy and robust perhaps as in those of the foregoing group. The plants marked "H" and "I" are variable and these classifications should not be considered indisputable as there will be some overlapping. Some of these sorts have very short periods of dormancy while others recover and produce low, sparse leaf masses after several weeks. None of these furnishes winter-long mounds of evergreen foliage."

The particular cultivars are not important as most probably are no longer available. What is important is the description of the foliage during winter. The goal for winter display was/is "heavy and robust" "winter-long mounds of evergreen foliage" .

There are two extreme ways that goal can be achieved. One way is for a plant to produce the mound of leaves just before winter or early in winter and the leaves survive all winter. There would be no new baby leaves produced in the centre of the daylily fans during winter. The daylily would be "evergreen". The other extreme is for a plant to produce new leaves all winter while the oldest leaves die away one by one. New baby leaves would be repeatedly produced in the centre of the fans and they would mature to normal lengths. The daylily would be "evergreen" and "ever-growing".

Has anyone observed "evergreen" daylilies growing during winter in mild winter climate locations and identified some cultivars of each type?
Maurice
Name: Arlene
Florida's east coast (Zone 9a)
Tropicals Daylilies Bromeliad Region: Florida Enjoys or suffers hot summers Birds
Garden Photography
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florange
Nov 3, 2019 1:25 PM CST
Didn't you pose this same question last year, Maurice? I'm not sure I can help because using a 360 day fertilizer radically changed the looks of my daylilies going into early winter (not that it seems like winter here yet 80 degrees days just don't suggest Christmas). My plants are lush and green, much better than prior years when the fertilizer I used in February ran out by October.
Name: Maurice
Grey County, Ontario (Zone 4b)
Image
admmad
Nov 3, 2019 5:41 PM CST
@florange Yes, it appears that I have previously asked - perhaps a sign that I'm getting old and/or perhaps the importance of the information. Your information is important in more ways than one. I shall have to keep in mind that soil fertility may be shorter than expected in high temperature locations. Unfortunately, soil fertility, particularly nitrogen, is very important to growth forms as it can completely change them. As well, how your evergreens grow during this coming winter may be one extreme of the possibilities. Thank you.
Maurice
Name: Arlene
Florida's east coast (Zone 9a)
Tropicals Daylilies Bromeliad Region: Florida Enjoys or suffers hot summers Birds
Garden Photography
Image
florange
Nov 3, 2019 7:47 PM CST
While walking around my daylily boxes, I noticed that nearly all of the plants have new growth throughout the clump. New fans coming up, too. Dan Trimmer has been my mentor, and I purchase the 360 day fertilizer from him. He says that most of the Florida growers switched to it when it became available. I can attest to the reason they did! Average quality 6 mo and 9 mo fertilizers release early with high heat and torrential rains.

A significant fact is that this year mid-70 degree temperatures started in March. Low 80's started the first week of April and are still keeping us warm this first week of November. My garden had it's first bloom on April 1 and last bloom on Nov. 2. That's a really long bloom season even for Central Florida. This is also the reason I'm so amazed that my plants look so lush--they have really put on a long show!

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