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Messages - hardyvermont

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Cold Hardy Citrus / Carport Cover
« on: December 13, 2018, 12:39:30 PM »
After a few years of success and some major dieback failure with different kinds of protection for this Owari, relatives settled on this solution last year.  A portable carport from Harbor Freight.  It has four sides, one of which is designed to be opened with zippers.  It covers 10' x 17' and is 9' high.  It goes on sale regularly.  It is big enough to handle two trees.  Fruiting this last season was the best yet, with well over 200 fruit. 

Some light, but not much gets through.  On the defunct Citrus Forum there is a posting of a citrus tree kept several weeks in total darkness without harm.  This carport demonstrates that fact also. It was covered for over two months. It showed no leaf drop or other damage when uncovered last spring.  One side is folded up on most days to keep the temperature down, but closed on cold nights.  The low last year was 10 F, -12 C.  It was kept above those temperatures but not necessarily above freezing with lights.  The frame was left in place all year.


Do you think the use of antibiotics is a good or a dangerous thing in the long run?

I don't know about this situation, but

most scientists think that widespread use of antibiotics in agriculture will destroy the potential for future use in humans by creating antibiotic resistant bacteria.


Cold Hardy Citrus / Re: Poncyrus juice resin settling procedure?
« on: October 31, 2018, 12:15:33 PM »
When I made Poncirus marmalade, the water was changed several times to reduce bitterness, and to add more flavor some lime and tangerine skins were thrown in.

Many foods are too strong or bitter to be eaten on their own, cocoa, tea leaves, coffee, many spices, even some lemons and limes, yet when diluted or added to food it makes them edible or adds flavor.   

Cold Hardy Citrus / Re: Poncyrus juice resin settling procedure?
« on: October 30, 2018, 10:08:41 PM »
Poncirus makes a good tea.  Half a fruit squeezed to release the juice into a cup, then the half fruit dropped into the cup and hot water added.  Sweeten to taste.  There are recipes online for Poncirus jam.  I made some a couple years ago, tasted like marmalade.  Poncirus is found as an ingredient in skin care products.  There are potential cancer killing benefits, as well as anti fungal, anti bacterial and other uses. 

Cold Hardy Citrus / Re: Growing rare cold-hardy hybrid
« on: October 26, 2018, 09:50:15 PM »
Poncirus in New England tended to stay green, some all winter.  These were smaller plants, and trees also seem to become more deciduous as they get older.  In the south, some are turning color now, and more will color up later.  I have speculated that the rapid onset of cold in the north keeps them from forming an abscission layer.  At the Arnold Arboretum there are two Poncirus growing next to each other, and as shown in a photograph in the old forum, one tree kept its leaves in the winter, the other did not. 

Citrus General Discussion / Re: SOUTHEASTERN CITRUS EXPO NEWS
« on: October 19, 2018, 03:05:00 PM »
Thanks Stan

Citrus General Discussion / Re: SOUTHEASTERN CITRUS EXPO NEWS
« on: October 18, 2018, 02:00:46 PM »
What time are the Friday tours?

Citrus General Discussion / Re: Snow In Colorado
« on: October 15, 2018, 11:06:54 AM »
The only Poncirus that survived in Vermont were those that were mostly in the shade in the winter and out of the wind.  Plants in sunny locations that looked great in January with green stems died back by March. 

Cold Hardy Citrus / Re: Kumquat x Poncirus
« on: September 17, 2018, 09:28:31 AM »
It is good to hear that you have made these crosses successfully.  I crossed Meiwa with Poncirus without fruit set.  Meiwa has hundreds of tiny flowers, almost all of them never set fruit even under normal circumstances. 

Citrus General Discussion / Re: Is horticultural oil safe for citrus
« on: September 01, 2018, 08:07:12 AM »
Thanks Millet, your explanation was very helpful.  I will look into getting another brand of oil.  The neem oil odor when used outdoors is not bad because it soon dissipates, but probably should not be used too often as it does leave a residue.

It is good to have an active board, it would not exist without you. 

hardyvermont  (Alan)

Citrus General Discussion / Re: Is horticultural oil safe for citrus
« on: August 30, 2018, 08:52:09 PM »
I have used neem oil multiple times to control spider mites on citrus including seedlings without ill effects.  Does horticultural oil have continuing control so that it does not need to be reapplied within 6 weeks?

Cold Hardy Citrus / Re: Swamp Lemon Adventure!
« on: August 30, 2018, 03:11:59 PM »
Would it be worth another search?  It is a few hour drive for me but the fruit should be visibly ripe in a couple weeks, perhaps the ideal time to find plants.  . 

Citrus General Discussion / Re: Is horticultural oil safe for citrus
« on: August 25, 2018, 02:14:24 PM »
The label for Parafine Horticultural Oil states that:  If second application of oil is necessary, do not apply within six weeks after first oil spray

Triple action Neem oil is most effective when sprayed every 7 to 14 days.

Cold Hardy Citrus / Re: Hamlin x Flying Dragon
« on: May 26, 2018, 09:35:51 PM »
How thick are the leaves? 

University of Florida created a tetraploid plant by combining protoplasts of Hamlin and Flying Dragon.

Cold Hardy Citrus / Re: Swamp Lemon Adventure!
« on: February 11, 2018, 12:27:11 PM »
Exciting news.  Can't wait to hear the results of your quest. 

This past three weeks below freezing destroyed all of my water Barrels. They completely froze and busted at the seems. 15 or so cans lost means I'm not replacing them. These trees can either survive without protection or die. I'm over it.
I had some plastic garbage cans that leaked.  Put large plastic garbage bags in them, filled with water and they did not leak all winter.  They were in a hoop greenhouse that warmed during the day so can't say how they would have fared in very cold conditions. 

Cold Hardy Citrus / Re: Citsuma Prague
« on: January 12, 2018, 01:25:30 PM »
Sylvain, Ilya, Snek, and everyone else,
When do Prague fruit ripen? Before freezing weather?


I hope you will report your findings to the local and regional papers, the local and state governments and your national congressman and senators.  Perhaps this will light a fire to send people, effort and money for more effective management. 

If the response is muted it may be that they have already given up and intend only to observe the spread of the disease. 

Cold Hardy Citrus / Re: cold hardy Citrus for zone 7b?
« on: December 17, 2017, 03:57:04 PM »
Sotchi, not Sori
Two other "Russian" satsumas are available from UCR
Aguzdera and Iveria

Ilya, how cold hardy are those varieties? 


Sent you a pm

There are some wild trees in my area.  How many fruit do you need?

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