Author Topic: Trying to overwinter a ponderosa lemon started from seed  (Read 329 times)

Unicyclemike

  • Member
  • ***
  • Posts: 40
    • Red Lion
    • View Profile
Trying to overwinter a ponderosa lemon started from seed
« on: December 03, 2022, 04:14:15 PM »
Okay...so I started a citrus tree ( Ponderosa lemon)  from seed about 6 years ago. I left it in a pot all those years. So I decided to stick it outside in the ground out of the pot and see if I could overwinter it in zone 6b/7a...Red Lion Pennsylvania. I am only using about 150 Watts of electric heat......christmas lights and a 100 watt bulb...I am also using wood chips, styrofoam and 6 mil plastic. We have had several nights at or below 25 degrees F. And guess what it is flowering.....incredible....

Mike Adams


vnomonee

  • Sr. Member
  • ****
  • Posts: 270
    • Zone 7a northeastern NJ
    • View Profile
Re: Trying to overwinter a ponderosa lemon started from seed
« Reply #1 on: December 03, 2022, 07:37:41 PM »
My ponderosa flowers in the fall too once I bring it inside lol. Amazing that you grew it from seed way to go!

Hope your protection is enough, it's very frost tender from the citron in it. A better variety to protect outside in zone 7, if you want a lemon like fruit, would probably be ichang lemon.
« Last Edit: December 03, 2022, 07:39:33 PM by vnomonee »

Unicyclemike

  • Member
  • ***
  • Posts: 40
    • Red Lion
    • View Profile
Re: Trying to overwinter a ponderosa lemon started from seed
« Reply #2 on: December 04, 2022, 10:27:36 AM »
Thank you for your comment.  I did it as a test to see if I could indeed overwinter a citrus "on the cheap" without buying a greenhouse and using 1500 watts of heat 24/7.  If it works the "how I did it" I will share with the group.  So far so good.  I was just stunned to see the flower buds.  This is hopefully preparing me for next spring when I plant a Owari Satsuma and a Zgwingli Citrumelo which I purchase from the one and only Stan Mckenzie....I want to keep my wattage under 200W per hour.....

kumin

  • Hero Member
  • *****
  • Posts: 569
    • USA PA 6b
    • View Profile
Re: Trying to overwinter a ponderosa lemon started from seed
« Reply #3 on: December 04, 2022, 11:08:04 AM »
My suggestion is to control the heat source by thermostat.overheating is as detrimental as freezing.

Unicyclemike

  • Member
  • ***
  • Posts: 40
    • Red Lion
    • View Profile
Re: Trying to overwinter a ponderosa lemon started from seed
« Reply #4 on: December 04, 2022, 03:08:20 PM »
Good point.  I will keep that in mind.  Thank you.

pagnr

  • Hero Member
  • *****
  • Posts: 673
    • View Profile
Re: Trying to overwinter a ponderosa lemon started from seed
« Reply #5 on: December 04, 2022, 03:52:49 PM »
If your low temp is 25 F, you only really need to go up a few degrees, and stop ice formation on the plant, to moderate or prevent frost damage. I am in a Citrus growing area, and we get occasional lows like that. Since it is not a tropical plant that you need to keep well above freezing, it looks like an economic strategy.
Have you thought of installing a stop start thermometer to monitor the overnight temp in the protection. You can probably get a phone App on an old phone to do the same ?
Since you are already using Christmass lights, and have real lemons on the way, don't forget to enter your tree in the Neighbourhood Xmas display competition, sounds like a winner.

vnomonee

  • Sr. Member
  • ****
  • Posts: 270
    • Zone 7a northeastern NJ
    • View Profile
Re: Trying to overwinter a ponderosa lemon started from seed
« Reply #6 on: December 04, 2022, 04:15:25 PM »
I'm doing something similar to your experiment with feijoas. Since they are already hardy down to 5f before getting damaged, I am covering with frost cloth and incandescent lights on a thermocube.

In addition to what everyone is suggesting with temp controls you can graft a piece of your already mature ponderosa to trifoliata which will keep it smaller and easier to cover and thus less space to heat as well as avoid root issues stemming from cold and wet weather.

caladri

  • Member
  • ***
  • Posts: 22
    • Canada, British Columbia, Salt Spring Island, USDA 8b/9a
    • View Profile
Re: Trying to overwinter a ponderosa lemon started from seed
« Reply #7 on: December 04, 2022, 06:24:54 PM »
Just to clarify what vnomonee said, if you want dwarfing, you'll want to graft onto flying dragon specifically; Poncirus trifoliata in general is not dwarfing, producing a relatively full-sized tree with many (most? all?) scions. Of course, if you're getting dwarfing along with a reduction in vigour, that can be good in cold climates, but has its drawbacks, too.

poncirsguy

  • Hero Member
  • *****
  • Posts: 539
    • Cincinnati, Ohio, USA, 6a/6b
    • View Profile
Re: Trying to overwinter a ponderosa lemon started from seed
« Reply #8 on: December 04, 2022, 09:08:33 PM »
Slower growth tends to be more resistant to weather

Ilya11

  • Hero Member
  • *****
  • Posts: 843
    • France, Paris region, Vaux le Penil, middle of Northern z8
    • View Profile
Re: Trying to overwinter a ponderosa lemon started from seed
« Reply #9 on: December 05, 2022, 04:40:36 AM »
Ponderosa is not true from seeds.
Best regards,
                       Ilya

pagnr

  • Hero Member
  • *****
  • Posts: 673
    • View Profile
Re: Trying to overwinter a ponderosa lemon started from seed
« Reply #10 on: December 05, 2022, 04:49:31 AM »
Ponderosa is not true from seeds.

The seedling plants I grew seem to be a mix of Citron and Lemon characters, nothing much way off that so far.

 

SMF spam blocked by CleanTalk