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Can I reuse the compost that I have used for growing my potatoes?

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  • #1

    Can I reuse the compost that I have used for growing my potatoes?

    As I have explained in another thread, I have a backyard where I am growing my potatoes in potato bags. And as my first earlies are nearly in bud (ready to flower), they will be ready to harvest in a couple of weeks - hopefully. Can I reuse the compost that my potatoes have been growing in, & do I need to sterilize it before reusing. Bearing in mind I am limited in space. I can put this compost in black refuse bags (hopefully, hubby won't chuck them out ).

    Please feel free to repost in the correct category
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  • #2
    What would you like to reuse it for?. I reuse container compost all the time after putting some nutrients back in. I wouldn't use that for more potatoes, tomatoes or strawberries though as same family and you run a risk of disease as per crop rotation.

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    • #3
      McDood is spot on, don't reuse for plants in the same family and add some GPF to the mix, then the world's your lobster - as you have limited space I'd suggest either fast cropping things like salads or more expensive ones like strawberries.

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      • #4
        I would reuse it for planting quick crops etc. But thank you for the suggestion for not using it for potatoes, or other from the same family

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        • #5
          I use mine every year for carrots.

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          • #6
            Ive always planted tomatoes in my spare potato bags after they’ve been harvested,around now,it’s always been alright,blights never been around this early so disease is never a problem,nutrients aren’t a problem either because I feed the tomato plants seaweed then tomato feed & everything’s alright. If you had blight on your potatoes don’t use it for any of the nightshades family. Peas & carrots can also go in but it’s up to you,what do you want to grow,anything is possible,even Brussels sprouts but they’re a bit smaller than in the ground plants.
            Location : Essex

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            • #7
              You could use leeks, I can't remember who, but somebody told me last year that they are normally planted after potatoes, it worked for me, but I did it in the ground. You could bung in some leeks closer than normal and have some mini leeks.

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              • #8
                I quite like the idea of planting leeks, and or Brussel sprouts ; even though the leeks will be small. But I have seen a variety of Brussel sprout seeds that are suitable for containers, so I could be persuaded to get a packet

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                • #9
                  Originally posted by Jonnyt View Post
                  I use mine every year for carrots.
                  So do I !!!
                  Gardening requires a lot of water - most of it in the form of perspiration. Lou Erickson, critic and poet

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                  • #10
                    I often sieve mine for carrots, but I also use it for calabrese or spring cabbages. Just add bfb before planting as the potatoes will have used up a lot of the nutrients.
                    A life is like a garden. Perfect moments can be had, but not preserved, except in memory. LLAP. - Leonard Nimoy

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                    • #11
                      Another vote for carrots. I use a shorter variety specifically for containers. Last year got a good harvest in the autumn and no problem with carrot fly

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                      • #12
                        Originally posted by mcdood View Post
                        What would you like to reuse it for?. I reuse container compost all the time after putting some nutrients back in. I wouldn't use that for more potatoes, tomatoes or strawberries though as same family and you run a risk of disease as per crop rotation.
                        Strawberries are in the Rose family along with raspberries, apples and erm.. roses.

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