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travisaz

Sour orange seedlings

Travis in PHX (9b)
4 months ago

I'm starting some sour orange seedlings to grow rootstock. The seeds are currently germinating in a damp paper towel. A few of them have started roots and will need to be potted soon. I'm trying to sort out where to place them. Most of my good window space is currently occupied. Typical temperatures for my area right now are 40F overnight low and 60-70F daytime high. Is it warm enough to put them outside during the day? I assume 40F overnight would be detrimental to a seedling.
I don't know if sunshine or heat is more important at this developmental stage. Any tips?

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