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Over wintering plants

purplerallimpurplerallim Posts: 5,287
in Plants
Hi guys. These are some of the plants I received 3rd July ( instead of 30th April) grown on in pots as they were too small to plant out. After three transplants they are now in rose pots. Do you think they would over winter in these pots in a cold greenhouse until next year? The others are smaller so will have to try the greenhouse with them, but these are bigger and in flower ( the 3 Salvia) and the other two are osteospermum and dianthus 
Haven't tried this before so would appreciate your help,  thankyou.
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  • LoxleyLoxley Posts: 5,698
    I think a cold greenhouse would be OK, I don't have a greenhouse so I put those sort of young, not 100% hardy plants up against a house wall.
    "What is hateful to you, do not do to your neighbour". 
  • Nanny BeachNanny Beach Posts: 8,719
    They would mine will be staying outside and they are no-where near as big as yours, treat em mean!
  • purplerallimpurplerallim Posts: 5,287
    OK @Nanny Beach I'm just miffed they didn't get in this year ( 🤬T&M) so wanted to make sure, if possible,  to keep them safe for next year. Thanks @Loxley its just in the Midlands we do get hard frosts down to -5 often at some point.
  • strelitzia32strelitzia32 Posts: 758
    Those pots look relatively large, right? Compares to the bricks... Can't speak for the osteos (forgot to dig them up last year, lost the lot), but I stick my salvias in the greenhouse in pots smaller than that, occasional watering, and they survive just fine. I don't like dianthus so will refuse to offer an opinion on principle  ;)
  • purplerallimpurplerallim Posts: 5,287
    🤣 @strelitzia32 had no choice it was in the set I ordered (I wanted the salvias), the worse one was a substitute of a lavender 🤢
  • DevonianDevonian Posts: 176
    Couldn't you plant them out now? They look well-established and the root system will use all of autumn to grow healthily, ready to pop up again in the Spring. 

    https://www.gardenersworld.com/how-to/grow-plants/planting-perennials-in-autumn/
  • FairygirlFairygirl Posts: 55,117
    I certainly wouldn't worry about dianthus if you have the right spot for them. Totally hardy. @strelitzia32 - you don't like them? How very dreadful of you.... :D
    Is one of the pots in the pic a dianthus though? None of them look right for that - or have I mistaken what you've said. Quite possible  ;)

    The others are certainly looking good, but I'd probably keep them against a house wall as suggested.
    Salvias are iffy here, so I'd be unlikely to have them at all, but I'd probably keep them more sheltered, or in a greenhouse. It's wet cold that's even worse for those than frost, but we get loads of both. 
    It'll depend on the Osteo variety as well - there's one which is hardy, but most aren't. 
    It's a place where beautiful isn't enough of a word....



    I live in west central Scotland - not where that photo is...
  • purplerallimpurplerallim Posts: 5,287
    You are right @Fairygirl , its a Penstemon Amelia Jayne.😊
     Also not photographed Echinacea Parrot, Penstemon strawberries and cream, a dark purple one and a Czar Verbina
  • FairygirlFairygirl Posts: 55,117
    I thought I'd lost the plot @purplerallim - which is perfectly possible!  :D
    It's a place where beautiful isn't enough of a word....



    I live in west central Scotland - not where that photo is...
  • purplerallimpurplerallim Posts: 5,287
    No just me waiting for new glasses🤣
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