Experiment Results: Potatoes

Back in April, as I started this foray into attempting to grow my own vegetables, I bought a pack of early seed potatoes – Pentland Javelin – here’s what the reviews said.

Pentland Javelin is a high yield potato […] which bulks up well

They lied.

I planted three seed potatoes into a potato growing sack and added compost.  Nothing I read stated that it should be an enriched compost or that potatoes needed anything in the way of feeding.

In my innocence, I thought there would be enough nutrients in the compost I used.

I was wrong.

I should have remembered that potatoes and tomatoes are from the same family (Solanaceae) and therefore like similar conditions.  So while I have been feeding my tomatoes, I didn’t think to feed the potatoes other than to add more compost to the bag.

Plus I’m not sure if it’s a good idea to use a liquid feed on tubers that you are going to eat – at least tomatoes have a chance to filter out anything dangerous.

Last week the foliage started to die back so I placed the bag in the greenhouse in case of random showers.  Yesterday I removed the now dead foliage and today I emptied the bag to harvest my ‘bumper’ crop.


I’ve still got the two tubs with the sprouting potatoes from the larder which went in at the end of May.  Fingers crossed they do better.

Was it worth the effort?  The cost of the potato growing bags was £9.99 for three; the compost I used was free at the recycling centre; the seed potatoes were from a discount store at £2.99 for 10 (I used three but only two sprouted).

That works out at around 52p per potato – ignoring the four tiny ones.

They’d better taste good for that price!



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