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Vegetables in Containers

flowerbomb21flowerbomb21 LondonPosts: 40
Hi all,

Please can you advise me on the best soil matter for vegetable seeds in containers? I know "summer" is passing us by but I am hoping to sow some radishes, spring onions, lettuce, carrots and dwarf french beans as soon as somebody will be kind enough to help me out here.

So, I have a huge bag of multi-purpose compost and a small bag of seed and cuttings compost,  perlite and a quarter bag of grit and lots of polystyrene for the bottom of pots (If it really does work or needed)?  Is there anything I can do with what I have or do I have to buy different soil? and also do I plant them in separate containers now so they grow in containers from start to finish or do I plant together in a tray or big pot and then repot when (or if) they are baby plants?

Any advice on this would be kindly appreciated.

Thank you


  • purplerallimpurplerallim LincolnshirePosts: 3,107
    The MPC is fine to use , as is the others mixed in with it. I dont put anything  in the bottom of the tubs just good draining holes.
    Its definitely a bit late for seeds,  but it is possible with some of those mentioned. You need a container the size of a garden tub ( the kind you plant bedding plants in) one tub for french beans( plant two seeds together ) , at most in three points across the tub (6 seeds) if no sign of life plant two more after two weeks . You should have just about time to fit in a harvest.
    As for lettuce, radishes both should be fine in tubs.
    The spring onions I would save till next year as its cutting it fine.
    Keep all well watered  and watch the pesky pigeons don't get them.
  • flowerbomb21flowerbomb21 LondonPosts: 40
    Thank you, I will leave the spring onions till next year!!

    Many thanks :)
  • purplerallimpurplerallim LincolnshirePosts: 3,107
    Your very welcome 😁
  • philippasmith2philippasmith2 Posts: 8,921
    As above, MPC is fine to use as most of the veg you mention will be harvested this year.  You can then use the depleted compost to make a base for next year or just add it to your compost heap.
    Obviously depends where you are situated but it isn't too late to sow radish, various mixed salad leaves, Rocket, Carrots of the short variety, etc.  I have in the past also sown Dwarf French beans in July to take over from an earlier crop - given the weather, it is possible to get a 2nd crop IME.  
  • flowerbomb21flowerbomb21 LondonPosts: 40
    Hi Phillipa,

    Thank you for your reply, I haven't long since been in from planting in between going to sainsburys, hoovering .... and cooking dinner so I think I can safely say that I'm a multi-tasker. I planted some radishes too! First time for me I'm a virgin veggie grower ... hic.. on second glass of prosecco.. can you tell? lol
  • purplerallimpurplerallim LincolnshirePosts: 3,107
    Did you see Gardeners World this week @flowerbomb21 . Monti was planting veg for a late crop in a small area.
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