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What to do with pine seedlings?

I ordered some eastern white pine seedlings.  I thought they were going to be dormant but they came green.
I also didn’t think they were coming until March.
I’m in WI.  The ground is too hard to plant outside.
I soaked them for a few hours.  I potted them.  They’ve been in my basement with full spectrum led plant/aquarium lights.  The humidity is set to 50%.  I water them when they are dry.
It’s been about 5 weeks.
The needles are starting to slowly brown and fail.

What should I do?

Thank you

Posts

  • nutcutletnutcutlet Posts: 27,445
    pines are evergreen, they keep their leaves, if the leaves are falling off, they are dead. 


    In the sticks near Peterborough
  • RubytooRubytoo Posts: 1,630
    Sorry is WI Wisconsin?
    This is a UK site, so your chosen pine may bot be well known or grown here, welcome anyway.

    That is a pretty pine you have chosen.

    I do not know what you should do, but on the site below it has useful information I think it might help just until you get more replies if you read might give you some clues. Could you be growing the in too moist conditions?

    Quoting this bit.

    "  Our cool, sunny summers and relatively low humidity promote thick stems and heavy branches. They are grown outside during the growing season and stored in unheated poly houses in the winter."

    From this site, they are Wisconsin
    https://www.evergreennurseryco.com/evergreens.php

    An also quoting from this site, oops sorry same site
     
    "POTTING MEDIA SUGGESTIONS
    Growing plants in containers requires a medium that is very porous. It is not recommended to use field soil in containers. Field soil will stay wet and over time can cause root rot. Mixes containing a high percentage of pine or other composted barks drain well and will promote good root growth. Evergreens are sensitive to long periods of high moisture. Let the containers dry out between watering. Try to water when the plants need the moisture and not on a time schedule. After potting an occasional misting of the foliage on hot days will reduce stress and help plants establish."


    Good Luck you might be lucky enough to save them but nutcutlet could be right. I know a lot of pine type here seem to do well in sandier soils.


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