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Storing Plants

Market BoyMarket Boy Posts: 98
in Plants
During lock down I started off some Pelargonium, Larkspur and Rudbeckia seeds. They have all grown well and are nice established plants. I now need the space in my heated greenhouse for more seeds to sow and plug plants to grow on. Can I move the plants out of the greenhouse into a 5 tier unheated plastic greenhouse and not have problems with cold nights. I live in suffolk so it is not too bad as far as cold nights go at the moment.

Posts

  • ObelixxObelixx Posts: 29,857
    Pelargoniums are not frost hardy but the other two should be fine as long as your plastic greenhouse is sheltered so they don't get a shock form the change of temperature.   Maybe throw an extra layer of protection over it for the first few nights and open it by day to harden them all off gradually.
    Vendée - 20kms from Atlantic coast.
    "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
  • InglezinhoInglezinho Posts: 568
    edited March 2021
    You can keep your seedlings a bit warmer by setting them against a south wall and improvise a cold frame by leaning to a sheet of transparent plastic, stuffing th side gaps with plastic bags. Don't use glass unless you are going to build a proper cold frame.

    Be careful with the pelargoniums, as they are tenderer than the other two. If you do decide to put them out, don't give any water until it warms up. South African succulents. Good luck!
    Everyone likes butterflies. Nobody likes caterpillars.
  • ObelixxObelixx Posts: 29,857
    This link will tell you all you need to know for success with pelargoniums
    https://www.rhs.org.uk/plants/popular/pelargonium 
    Vendée - 20kms from Atlantic coast.
    "We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
  • DovefromaboveDovefromabove Posts: 87,000
    Inglezinho said:
    ... Be careful with the pelargoniums, as they are tenderer than the other two. If you do decide to put them out, don't give any water until it warms up. South African succulents. Good luck!


    And whilst some plants in the pelargonium family are succulents, not all of them are  :)


    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.





  • Market BoyMarket Boy Posts: 98
    Thanks to all for the advice.
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