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Messages - tedburn

Pages: [1] 2 3 ... 17
1
Cold Hardy Citrus / Re: Anyone growing Taveres LImequat
« on: July 19, 2024, 04:25:37 PM »
I have Tavares with first fruits last year.
I personally was not so overwhelmed by the taste.
Perhaps next harvest is better.
I like much more Kumquats.

2
Thankyou very much Millet  :).
Yes, hardy citrus is a hard bussines in zone 7 , but very
satisfying and interesting.
Biggest challenge is to find beneath ornamental plants
Citrus hardy citrus with delicious fruits.
So for the moments the best hardy ones with delicious
fruit for me are:
Bloomsweet, Nippon Orangequat, Keraji, Sanford Curafora and
Thomasville. Though I still have to expirience this year if
ripening time in my zone is sufficient for acceptable sweetness in the fruits.
Bloomsweet and Thomasville hopefully next year without fruit drop.
Citrus still keep so much secrets  8).

3
Here some pictures of my inground citrus with
fruits this year.
Some of them, Yuzu x Citrumelo, 5* Citrumelo,
Bloomsweet an Ichangstar 60 set fruit, but dropped
them - perhaps due to our wet and cold spring and early summer
In Germany.
 Others as the following pictures show
don' t mind the crazy weather.
Trifeola with first fruit


Silverhill, grafted on Sanford Curafora


Sanford Curafora fruit


Nippon Orangequat on Sanford Curafors


Keraji on Sanford Curafora


Clemyuz 22 with first fruit, still small in comparison to the others



4
In my opinion the Yuzu x Citrumelo is the frosthardy citrus with
the best colours - here young leaves with nice colours


5
Cold Hardy Citrus / Re: US 812
« on: July 01, 2024, 05:35:40 AM »
Thank you Ilya,
looks and sounds good for a very frosthardy variety.
Regards Frank

6
Here all the 1 year old seedlings which have seen several freeze days and -8 C ,
(pictures of Chandler x Bloomsweet I already posted here) now winter damages shows
from dead/heavy damage (N1 tri Voss) to nearly no damage (Citrumelo N82).
Chandler x Bloomsweet now also shows more damage, but slso some still look quite good
as a positive surprise.
Also very interesting how different the frost hardiness within
one variety.
Because the stickers can' t be red, here the varieties
from left (worst) to right (best):
N1 tri Voss, 5* Citrumelo, Yuzu, Chandler x Bloomsweet, Citrumelo N82





Current status of survivors of the freeze test - shown for
Chandler x Bloomsweet cross.
Winter damage still separated fairly against status in March,
but now the survivors are clear, though despite bark cracks they survived,
and show no healthy green resprouting.
So now I will protect them the following winters before
grafting them on some of my multifruit hardy citrus in ground,
in assuming frosthardiness as good as Bloomsweet and good fruits.





7
Cold Hardy Citrus / Re: US 812
« on: June 29, 2024, 01:51:27 PM »
It is around 3.5 meters high. Completely hardy without any protection being in ground since 2012.
The lowest temperature  for this period has been -12C.

Hello Ilya,
interesting, whats about fruit size and fruit taste - are they
edible with good taste and when are they mature ? 

8
Cold Hardy Citrus / Re: N1triVoss
« on: June 19, 2024, 01:49:23 PM »
That was my experience, the hardiness was largely compromised  by the presence of soft new growth as well as fruits hanging on the tree.

Thanks Ilya , I will try this late summer   :o

9
Cold Hardy Citrus / Re: N1triVoss
« on: June 18, 2024, 05:29:12 PM »
Sylvain,
It could be something connected with late summer growth.
As a rule I remove all new growth appearing after the middle of August. As you know I am hundreds kilometers North to you , this winter had -9.6C for several nights and 10 days without soil defreze. Some damage to Yuzus, but not even leaves loss on N1tri.

Hello Ilya,
this is an interesting point. Ialready heard this, but I thought this would only influence the small summer groth twigs, but if I understand you right the summer groth will also influence the hardiness of the whole plant including the bigger older branches ? Is this your experience or is there also an explanation for this effect ?
I lost last winter a big part of my Satsuma Collot at -8,5C within the protection fleece.
In late summer I didn't cut late summer groth.

10
Satsuma Collot, first two fruits in December 2023,
about 1,3m high died back this winter about 10  cm
over the graft union, after 3 or 4 freeze days with a low of about - 8,5 C
unter protection fleece.
Fortunately there it stopped and regrows now.
Think I will graft one scion on Poncirus to try getting perhaps a little
bit more frost hardiness than on the current Swingle rootstock.


11
Flowers and fruitlets of some inground Citrus

Keraji, meanwhile a plant of 2m height


Sanford Curafora a flower booster


Ichangstar 60


Yuzu x Citrumelo



12
Yes I also heard about late fruit ripening. No I hope for at least one fruit to
see how it will ripe and taste. I will keep you updated.
In foresight I pollinated with Bloomsweet. Bloomsweet is among my citrus
a good pollen donor.
Good success with your Budwood  :).

13
3 weeks later the nice flower setting is there.

Clemyuz 22


Trifeola


Bloomsweet


Ichangstar 60

14
Cold Hardy Citrus / Re: Cold Hardy Citrus Experiment Zone7A NJ
« on: May 16, 2024, 02:28:19 AM »
Very nice to see, how the experiment turns to success.
Is the xie shan also in ground ? If yes astonishing that it took 7 F.

15
Inground Citrus with first flowers this spring,
though we had 3 nights of late freezes last week with -2 and -3 C

Bloomsweet 2. year on Flying Dragon


Ichangstar 60, graft of 2021, one year in ground


Trifeola, after one year in ground


Clemyuz 22, 2.year in ground





16
What is trifolis?

Trifolis is a Citrumelovariety which is said to have better fruit and
and a very good coldhardiness.

Citrangequat 10-3-4 is as far as I know not available in Europe, at least not under
that name.
We have this, perhaps similar variety:
https://agrumilenzi.it/en/negozio/citrusen/lemons/citrange-quat-4-season-fortunella-margarita-x-poncirus-trifoliata-x-citrus-sinensis/

17
In 2023 a lot of new varieties have been grafted or planted in ground.
Two of them are interesting concerning frosthardiness and
better fruit quality ( hopefully   ;)).

Ichangstar60, grafted in 2021, planted in ground 2023,
no winter damage and now flowerbuds


Trifolis, grafted in 2023 on inground Poncirus,
young graft with no damage in winter and
and now starting to grow



18

Here the positive surprises of my varieties which managed
the winter very good, conditions this winter I already
described in the previous posts.
Dimicelli  grafted in 2023, very thin graft survived and brings new groth


Staraji55, second winter with new groth, no damage at all


Nippon Orangequat first winter, shows new groth


Satsuma Silverhill,right, and Clemyuz 22 small graft left, both grafts of
2023 on Sanford Curafora no damage at all and with new groth



19
Yes, that' s an interesting report from Ilya and very informative.
But winterhardiness is often very different due to multiple
influences as rootstock, plant age, dormancy,location,....
In the first pictures you see left Bloomsweet with no damage and right
Slava Micurina with some leave damage of small twigs, otherwise
Slava is also O.K.
Good example for influence of only different locations and Rootstock of the same variety in
picture 2 and 3.
Picture 2 Dunstan with late morning sun - very healthy. Rootstock Flying Dragon
Picture3 Dunstan with early morning sun - some spolled twigs. Rootstock Poncirus







20
Hello Bussone and Nemaja.
@ Nemaja, thanks for the explanation.
@ Bussone, yes Slava micurina was reported to be cold tolerant more than
-10 degrees C , but as seen in my picture, at the same location im my gardean
nearby planted Bloomsweet and Duncan Grapefruit show no freeze
damage, while slava shows. So I guess slav is not much more hardy
than already pretty hardy Navel oranges.

21
Here all the 1 year old seedlings which have seen several freeze days and -8 C ,
(pictures of Chandler x Bloomsweet I already posted here) now winter damages shows
from dead/heavy damage (N1 tri Voss) to nearly no damage (Citrumelo N82).
Chandler x Bloomsweet now also shows more damage, but slso some still look quite good
as a positive surprise.
Also very interesting how different the frost hardiness within
one variety.
Because the stickers can' t be red, here the varieties
from left (worst) to right (best):
N1 tri Voss, 5* Citrumelo, Yuzu, Chandler x Bloomsweet, Citrumelo N82


22
Interesting trys you are starting, will be interesting to see the developments in the future.
Very interesting that more and more citrusfriends are engaging in trying to make
crossings with the goal of coldhardiness and edible fruits  :D.
Hope that we all have enough patience to cultivate them to bloom and then get
rewarded with success.
Keep on and Good luck  ;)

23
A few weeks of mild temperatures after the freezedays
 in January down to - 10 C most of the inground citrus
took the freeze very good. My worst/ weakest are:

Slave micurina in the back on the right side.

The others are pretty good.
Left in back Bloomsweet, in front of it Duncan Grapefruit and
in front left Nippon Orangequat.



The weakest of my inground citrus is Ichangensis x sinensis.
even a bark crack see in 2. picture






24
Cold Hardy Citrus / Re: F2 Citrandarin (X-639) winter hardiness trial
« on: February 21, 2024, 12:17:10 AM »
Kumin that s an interesting issue. Is it still enough to seperate the seedlings after a year ?
Or is already root weakness concerning hardiness set if they are the first year together in a pot ?
Because up to now I raise a lot in the same pot the first year and then after about one year
I separate the seedlings.
What is your opinion ?

25
I also discocered one such bifoliate seedling in a pot of one year old
Valentine pomelo seedlings in the greenhouse.
In spring I will plant them and the Chandler x Bloomsweet in
open ground and see the next winter ( with good passive protection
what will happen.6

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