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Messages - Citradia

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Cold Hardy Citrus / Re: shiranui sumo citrus
« on: January 29, 2023, 06:38:27 PM »
My in ground shiranui lost 70% of its height last winter when we went to 14 degrees one night in March and I think my heaters líun cold frames didnít come on. It came back to three feet high this year but again, I went to 8 degrees for two hours with no electricity so no heaters, then next day 2 degrees and below freezing temps for almost a week while I was on vacation in Fl for a week. The shiranui looks bad again but trunk still green above graft line. The fruit doesnít ripen until January commercially. I have one in a pot that I brought inside my house during the single- digit nightmare week, and it has one large green fruit on it now. Stuff ripens late for me here.

Cold Hardy Citrus / Re: Zygotic Poncirus hybrids
« on: January 18, 2023, 07:42:45 PM »
So, if flying dragon is 50% zygotic, is that why some of my flying dragon seeds make seedlings that resemble standard poncirus with straight trunks and thorns? That would imply that flying dragon would be good to try making hybrids with, right?

Cold Hardy Citrus / Re: Viability of seeds from frozen fruit
« on: January 16, 2023, 09:15:25 PM »
I washed and planted the seeds today. They actually look as good as any others I have planted in the past. Thanks, guys.

Cold Hardy Citrus / Re: Viability of seeds from frozen fruit
« on: January 16, 2023, 01:26:11 PM »
What do yíall think ? Worth cleaning these up and planting them?

Cold Hardy Citrus / Viability of seeds from frozen fruit
« on: January 15, 2023, 05:34:04 PM »
All the fruit on my Seville froze in December. Is it possible that the seeds inside the ruined fruit could be viable ?  The fruit was not fully ripe, still green when frozen to death.

Cold Hardy Citrus / Re: Citrus damage after freeze
« on: January 04, 2023, 09:44:03 PM »
Thanks, Millet.

Cold Hardy Citrus / Re: Fall harvest sour orange ?
« on: January 04, 2023, 09:42:16 PM »
Thanks for the response, Galatians. Iíll look that one up.

Cold Hardy Citrus / Re: Citrus damage after freeze
« on: January 03, 2023, 08:23:15 PM »
Another problem I am facing is that since my trees have grown bigger over the past ten years, Iíve made my cold frames larger, so now I have more air space to heat inside the enclosures, which means adding heaters. Iíve added more water barrels, but it becomes a volumetric math problem to figure how much supplemental heating I need for the size of the enclosure. I think the size of the tree itself is a factor also since it also takes up air space and itís canopy helps hold heat under it. I also have fewer potted seedlings inside my enclosures this year also. The watered pots also add a passive heating effect and reduce the amount of air volume my small heater has to heat up.

Cold Hardy Citrus / Re: Citrus damage after freeze
« on: January 03, 2023, 07:34:07 AM »
Yes, the 2 degrees F was outside temperature. I have used a digital thermometer about 6 years ago and noticed that the Rio Red got down to 19 degrees inside tent with heater on when it was zero degrees outside. The tree survived with minimal leaf damage. During that polar vortex, the outside temperature dropped a degree every minute as soon as sun went down, and dropped a degree every few seconds inside tent when heater turned off. This proved to me that I have to have heaters and cover citrus to keep them alive here.

Cold Hardy Citrus / Fall harvest sour orange ?
« on: January 02, 2023, 09:12:13 PM »
Is there a sour orange / citrus aurantium that will have mature fruit for fall harvest? My Seville fruits from last year never fully colored up even into the next summer, and this yearís crop was lost still fully green with last weekís severe prolonged freeze. Bad variety for me.

Cold Hardy Citrus / Re: Citrus damage after freeze
« on: January 02, 2023, 09:00:25 PM »
I was having lows in single digits two days in a row with a known low of 2 degrees F, and not above freezing day and night from Friday through sometime the following Tuesday last week. I also lost power for two hours and couldnít get generator started Friday morning as temperatures plunged to 8 degrees with a high that day of 11 degrees. All of my store-quality citrus have massive leaf damage but no trunk splits noted yet. Most of my Citradia trees, Dunstan, 80-5, Thomasville, Benton citrange that are unprotected only showing mild to moderate leaf damage. One large citradia on east side of an unheated cold frame with yuzu in it actually looks unscathed for now. The yuzu in unheated frame looks remarkably good with some leaf damage only.

I had to cut back on my use of space heaters due to inadequate amount of electricity to support my 15 outdoor trees in cold frames covered in 4 mil plastic sheeting. Each frame has potted citrus seedlings and grafted trees also. The poncirus hybrids even the newly grafted potted ones are unscathed.

My winners for this event so far with only one 250 watt space heater inside each enclosure are:
Saint Anne Satsuma ; only a few burnt leaves.

Seedless Changsha on flying dragon; few burnt leaves only.

Meiwa kumquat ; no leaf damage but lost all fruit.

Trees with moderate leaf damage in frames:
Seville sour orange : all fruit lost
Yuzu: unheated frame w 50 gallon water barrel

Trees with severe leaf loss:
Rio Red grapefruit : fruit lost
Changsha : unprotected
Sugar Belle
Ichang lemon

All frames have at least one water barrel and all at least one 250 watt space heater w larger frames having two heaters and two or three barrels.
Iím having another electric outlet installed outside by electrician next Monday.

Cold Hardy Citrus / Re: Citrus damage after freeze
« on: December 29, 2022, 08:39:52 AM »
I had a five-foot-tall citradia die one spring after it put out two inches of new growth after last freeze and noticed that the trunk split on south side of tree. I think it was a zero-degree winter that year.

Cold Hardy Citrus / Re: Poncirus from Seattle Arboretum
« on: November 28, 2022, 09:53:58 PM »
Is poncirus rare or difficult to grow there?

Citrus General Discussion / Re: First time citrus (Beginner)
« on: November 23, 2022, 07:52:22 PM »
I use miracle grow potting mix to start seeds and for initial potting of seedlings. Once I pot up to one gallon pot or at least by two gallon size, I have found that my citrus grow better in 50:50 mix ( miracle grow garden soil and Turface), since after a year the miracle grow potting soil turns into dense mud that sometimes lets water pond on top of the soil instead of draining through. I use the potting soil for native trees and non citrus stuff like red buds, rowan, crabapple, etc.

Citrus General Discussion / Re: when to pick Chandler pummelo?
« on: November 21, 2022, 04:53:00 PM »

This is my first Chandler fruit on a tree l got from Madison citrus last year. Itís in a pot in my living room. Overwintered last year in a greenhouse just fine. I too wonder when to harvest it. Itís huge, but I assume it needs to turn yellow before itís ready. Iíve seen them much bigger too.

Cold Hardy Citrus / Re: My Ichang lemon pics 10/24/22
« on: November 04, 2022, 02:40:50 PM »
Zest from my Lakeland limequat was good and they make excellent lime pie. My bergamot and Saint Teresa lemon make good zest too.

Cold Hardy Citrus / Re: Name of citrumelo from chillypalmtree
« on: November 03, 2022, 08:08:28 PM »
I called him several years ago and said Dunstan

Citrus General Discussion / Re: experimenting with clay soil in containers
« on: November 02, 2022, 06:56:06 AM »
Trifoliata performs better when not in clay or soggy conditions. When I changed from regular potting soil to 50:50 mix of Turface and Miracle Grow Garden Soil, my poncirus seedlings started  growing very well. I fertilize with Osmacote and miracle grow. From your pics, what youíre doing is Bonsai with a fruit tree. According to my bonsai books, when making bonsai out of fruit trees versus non-fruiting trees such as pine, you need a deeper pot to accommodate more root mass, especially when first starting a specimen to help build trunk caliper. You need more roots to sustain fruits. They make bonsai soil you can buy pre bagged. Probably get it online. I used to be a member of the bonsai society in Gainesville FL. A local bonsai group may be resourceful for you.

Citrus Buy, Sell, & Trade / Re: Looking for Yuzu rooted cuttings/seeds
« on: October 29, 2022, 07:29:11 AM »
Iím too lazy to look it up, but is yuzu seed going to be true or hybrid? Polyembryonic? I know ichangensis makes hybrids. Iím thinking better off with cuttings or grafts.

Citrus General Discussion / Re: My first Santa Teresa lemon fruit
« on: October 27, 2022, 07:28:49 AM »
Youíre welcome

Cold Hardy Citrus / Re: My oddly shaped poncirus fruit
« on: October 26, 2022, 09:57:26 PM »
SC 400, are you spraying the tree with something to keep the mites from messing up all your fruit? If so, what do you use? Neem oil? Horticultural oil?

Citrus General Discussion / Re: Citrus rootstock source
« on: October 26, 2022, 09:46:58 PM »
Try Madison South GA. They have several rootstocks for sale.

Citrus General Discussion / Re: My first Santa Teresa lemon fruit
« on: October 26, 2022, 09:43:11 PM »
I assume itís not very cold hardy but I donít like having big potted trees in my house 8 months out of the year, so I decided to take a chance and put it in a portable greenhouse last winter and treated it like my other hardy citrus that are in ground using two water barrels and two small 250 watt space heaters regulated by thermo cube, and it did fine even overwintered this fruit without damage. However, it was a very warm winter I think only getting to 14 degrees F in mid March. If I am supposed to go to single digits I will probably freak out and dolly cart it into the living room.

Cold Hardy Citrus / Re: My Ichang lemon pics 10/24/22
« on: October 26, 2022, 09:30:36 PM »
Most of my cold frames are just 4x4ís and 2x4ís frames that get covered in 4 mil plastic on roof and three sides with a roll-up 4th side or ďdoorĒ that is stapled to a bord that is hung on ladder hooks when above freezing to vent excess heat so trees stay dormant. I also have a few portable greenhouses that are easy to zip up but those are staked to ground with rebar stakes so they donít blow away since I have high winds in winter. The pvc pipe frame covered in 4 mil method works well too but not as easy to cover and uncover to vent often especially when it gets taller.

Cold Hardy Citrus / Re: cold hardy lemon and lime
« on: October 26, 2022, 09:18:54 PM »
I got my Ichang lemon grafted on flying dragon from McKenzie Farms in SC.

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