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I earthed mine up last year but my potatoes were in very large pots rather than bags. I didn't get much of a crop though. I didn't use fertilizer, just potting compost so that may account for my poor crop. I will buy some fertilizer this year and see if it makes a difference.
I am growing in a container for the first time and am adding compost on almost a daily basis. I am now wondering how to support the foliage as it will be too forward to have outside. I am putting photos on my website if anyone wants to have a look.
On the principle that you should not completely cover foliage I am adding as it pushes through the surface. I may well be wrong in which case I will know better in the future. I have not grown pots in a container before so will learn by mistakes, there seem to be so many different ideas so I am trying my way. Not suggesting it is the right way. They are in my greenhouse at the moment but will be outside when the weather is ok.
Quote from: laurieuk on March 16, 2009, 22:59:44On the principle that you should not completely cover foliage I am adding as it pushes through the surface. I may well be wrong in which case I will know better in the future. I have not grown pots in a container before so will learn by mistakes, there seem to be so many different ideas so I am trying my way. Not suggesting it is the right way. They are in my greenhouse at the moment but will be outside when the weather is ok.Thanks Laurie. I wasn't implying any criticism, rather trying to understand the benefits of earthing up so often. I've never grown potatoes before so I am keen to pick up as many tips as possible. From what I've read the earthing up process is to increase the yield and guard against the tubers being exposed to sunlight and thus turning green. I agree advice varies but 'trusted sources' advise earthing when the plants reach around 10-15cm and repeating this process two to three times. My query with the method you are using boils down to whether the plant needs to develop leaves for a while in order the them 'to do their thing' before the plants are earthed up. I'm sorry I can't be more technical but I'm no biologist. :)G x
Hi Georgie, Last season I did exactly the same as yourself with the bags. I was kindly sent some really huge plastic sacks to put my potatoes in.I kept rolling the bag up and adding more compost as the plants grew. Had a few potatoes and was pleased with the results.Good luck with yours, looking forward to seeing the results :) :)