Trina, I think it would be very funny as well

Dnd and Larry, I will learn the next time I take some plants north, to mulch them the first winter. These are plants that should have made it but they were planted late and not mulched.

Hello All,
I'm a very longtime daylily grower and hybridizer. I began helping my father with his daylilies in the early 1970's. He actually began daylily
hybridizing in the early 1950's. He died in 1988. In 1989 my wife and I decided to continue my father's daylilies. It was at that time that I began
daylily hybridizing. I'm currently hybridizing Barth Daylilies for O'Donal's Nursery in Gorham, Maine. O'Donal's is a premier plant nursery in
southern Maine which purchased the rights to Barth Daylilies in 2010. They have an excellent website, including separate links on Barth
Daylilies.

Daylily 'Gones' are both unfortunate and largely preventable. The basic problem is the lack of much responsible quality assurance (QA)
and quality control (QC) in the marketing of daylilies. At O'Donal's all new daylily registrations have undergone a lengthy period of close
observation before registration. A few varieties (continuous and repeat bloomers) have been held for up to three or more years before being
registered!

Unfortunately, far too many daylily growers and hybridizers are quick to rush daylilies with "pretty faces" into commerce. This was NOT the
situation in the early days of daylily development. My father often traded daylilies with other daylily hybridizers and compared notes on
there characteristics and performance. This kind of QA and QC is the exception today.

Nicholas Barth
Newcastle, Maine

Sorry to hear about everyone's goners Hopefully the good outweighed the bad this year

I lost Elizabeth Salter to crown rot this year. Interestingly, I also lost one clump (of two) Spacecoast Ruffles of which ES is a parent. Rust loved ES.

mom2cjemma said:Here are my dead and not coming back daylilies for 2018:

Little Business

Gizmo

Bogota

Hanalei Bay

Surprised that you lost Little Business.
Been strong blooming and multipler here in west central Ohio.
Sorry about your loss as I have always looked forward to her blooming.
One of first I purchased 20 years ago.
No mulch just let nature sort out for me.

@edgar I lost Little Business too. Definitely wasn't hardy for me. I know it does great in a lot of areas though. That's why I love this site. It can help you determine if a cultivar is suited to your area.

I still have Hanalei Bay but I can't say it's doing well. More like hanging on. I'm honestly surprised it lasted this long. I expected it to die its first winter.

Elena, funny the first thing I did was look to see where Edgar lives. He is in Ohio, so he really should be similar to us or even cooler.

Little Business is a SE. Although I lose daylilies of all foliage types, I feel that the SE are more prone to crown rot and spring sickness than the polar opposites of D and E.

mom2cjemma said:

Little Business is a SE. Although I lose daylilies of all foliage types, I feel that the SE are more prone to crown rot and spring sickness than the polar opposites of D and E.

When I did a count of my daylilies some years ago, those registered as "dormant" were more likely to have spring sickness (and dips more than tets). Given that foliage habit in one's garden doesn't necessarily follow the registered foliage habit (so it's not something that is "fixed" and thus the same everywhere), and that we all have different mixes of cultivars it's difficult to pin down a common denominator for spring sickness. Even the same cultivar can vary in whether it gets it in different gardens and even in the same garden.

When you say crown rot, do you mean being rotted after not coming back following winter, or are they dying of a rot disease during the growing season?

So my counts for this year of daylilies affected by SS are as follows:
D 28
E 14
SE 30

Percentages by my total owned for each type of Foliage were as follows:
D 13%
E 23%
SE 25%
So I guess you could say that the SE and E are neck in neck for percentages, but then I own twice as many SE than E.

The few plants that died off overwinter were very mushy when I dug them up. there was little left of the crown and the roots all detached from the base. So after the winter.

I think I have only ever lost 2 or 3 during the growing season.

aww, I hated to see PIXIE DRAGON on this page. I just purchased it and got it in the ground. The fans are small so I will be giving it extra attention

I have found that some of Gossard's are not as hardy as before. I have Giant Huntsman and it was down to one fan from 2 fans. I bought it as a new intro in 2017

@sooby @mom2cjemma

When you do counts of daylilies in the garden that are affected by something, such as spring sickness, the numbers of daylilies of each type that were not affected is also required to check whether the percentages affected are actually different (meaning that they are statistically significantly different).

D 28
E 14
SE 30

That is the first step in the analysis. The second step requires the total number of D, E and SE grown.

Percentages by my total owned for each type of Foliage were as follows:
D 13%
E 23%
SE 25%

That is a very good second step in the analysis but we really need to know the numbers rather than the percentages. So in this case the last piece of information needed would be the total number of daylilies in the garden. We could then examine whether there was a relationship between registered "foliage"/growth habit and spring sickness.

My calculations (and anlysis)
28 dor had ss of a total of 215 dor meaning approximately187 did not have ss
14 ev had ss of a total of 61 ev meaning approximately 47 did not have ss
30 se had ss of a total of total 120 se meaning approximately 90 did not have ss

so the table
| ss |no ss | Total
Dor | 28 | 187 | 215
Ev | 14 | 47 | 61
Sev | 30 | 90 | 120
Total | 72 | 324 | 396

If the numbers I determined are correct then there is a suggestion that dormants had less ss while semi-evergreens had more ss than would be expected by chance while evergreens were about as likely to show ss as would be expected by chance (no relationship between growth habit and ss for registered evergreens).

I had rated my ss one year many years ago by mild, moderate and severe. On the basic numbers including all ss, there isn't a lot of difference between dor and sev, sev appears to have somewhat more ss % wise:

I had 54 dor of which 33 (61%) had ss
23 sev of which 15 (65%) had ss
13 ev of which 6 (46%) had ss

However, ignoring the mild cases and counting only moderate to severe:

Out of 54 dor, 22 had ss (40.7%)
Out of 23 sev, 7 had ss (30.4%)
Out of 13 ev, 2 had ss. (15.3%)

Having said that, I think what would be more relevant from a cause diagnostic point of view is actual dormancy behaviour in the rating garden rather than registered foliage habit, which doesn't necessarily apply in other gardens.

@sooby

The analysis of the basic numbers does not indicate that there are any significant differences in the rates of ss by growth habit (chi-square = 1.33, df = 2, Prob. 0.51

The analysis of moderate to severe cases also does not indicate that there are any significant differences in the rates of ss by growth habit (chi-square = 3.2, df =2, Prob. 0.20

Since the results of mom2cjemma's information was of borderline statistical significance I doubt that there is any relationship between registered growth habit and the incidence of spring sickness.

There probably are only two biologically relevant growth habits. 1) does the daylily set an over-wintering bud or not. 2) if it does set an over-wintering bud is it endodormant or ecodormant. An endodormant over-wintering bud requires one or more specific environmental effects to start growing. An ecodormant over-wintering bud simply requires an environment that is conducive to growth - usually meaning a return of temperatures at which the plant can grow.

I suspect that some of the differences in winter growth habits that daylilies show in different locations and growing conditions is caused by specific cultivars setting buds that are ecodormant in some locations but setting buds that are endodormant in other locations. This may be related to the growing conditions earlier in the season. As an example. 'Heavenly Harmony' can set a bud before June here under some growing conditions. That bud does not start growth until either the late fall or next spring. Under different growing conditions here 'Heavenly Harmony' does not set a bud before June, it grows new leaves continuously until autumn and then sets a bud. It is possible that under one set of conditions the bud is endodormant and under the other set of conditions it is ecodormant. Or it is possible that in some locations the bud that was set before June sprouts in the autumn and produces a flush of leaves with a second bud being set later in the year. That second bud may be biologically different from the first bud.

I got Pixie Dragon last year from a very generous member here on the site and it appears to have done really well surviving the winter and growing back. We're nowhere even close to daylilies blooming here (except the ever-early, ever-constant stella d'oro), but I feel confident that I'll get to see some pretty 'pixies' in my yard this year--I can't wait!

So glad that Pixie Dragon is thriving. Gossards all work great here in my 6b garden. By the second year they are clumps, often from single fans. I went out on a limb last year and bought alot of Sev and Ev, most from Abundant Daylilies, and they all made it thru the winter. Whew! I always mulch, so I'm sure that helped. Can't wait to use these southern genetics!

Im sad to say, I lost Pixie Dragon, I love it and am thinking of trying again. I know better but its a great flower.

My goners were all new last year didn't see a flower on one of them.
2 bonuses. Colby Coventry, E and Cool Confections. D Maybe I have a problem with double C daylilies.
These two were single fans that didn't make it
Kaleidoscope Canyon SE Self Implode E (I was really looking forward to this one)
Two evergreens, a semi and a dormant I can see the evergreens maybe not making it but a little confused on the other 2 especially Cool Confections. The 2 CC's were planted in the fall maybe that was it, but I had planted plenty of others that made it. Since Self Implode is a DeVito plant kind of glad I didn't spring for Undefinable, I would have really been heartbroken if it had died after spending those big bucks (for me) I know they are different plants & could have different outcomes but they are both evergreen from the same FL hybridizer.