Saturday, February 11, 2012

How early can you start growing seed in an outdoor greenhouse in Pennsylvania?

Was considering buying one of those Portable Miniature greenhouses (5 shelf rack covered with the thick plastic covering) on wheels.



Would like to use it for starting flower/vegetable seeds but wasn't sure when to put it outside (how cold is too cold?)

How early can you start growing seed in an outdoor greenhouse in Pennsylvania?
if you place the greenhouse along the south wall of a house so that it has protection you could probably place it out there in march. but if you have a cold frame with ground heat cables you could start up in February.

also it depends on the type of seeds you are starting

peas are very cold hardy as are some perennials.

all in all you don't gain much with a little greenhouse as far as seedling production because of the variable temperatures that you will have in the small space.
Reply:Yesterday would be good.
Reply:i wouldnt right now i would start them indoors like we are doing on wire shelves with grow lights... you might have a late winter blast that could ruin these young tender seedlings... i would wait to m ove this out till march or at least the end of march... i just wouldnt trust my instincts with plastic covering unless i had some sort of heating element handy... sorry i know thats not whatyou wanna hear but i live in the cold too and we did this last yeargrowing indoors and had much better results

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