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Thread: Potatoes in spent hops & Trial results

  1. #9
    JMCKG is offline Sprouter
    Join Date
    Jun 2014

    Default My Spent Hops trials

    I posted before about using spent hops in my potatoe buckets, I also used them elsewhere. The results were;
    1. Potatoes in buckets. Good crop did not see any difference with previous years using all compost. I just mixed up the hops with riddled council compost or bought compost or manure - whatever was available at the time.
    2. I used spent hops in the bottom of my pepper & tomato pots to save on compost. Used Morrison’s flower pots with 6 inches in bottoms. No problems.
    3. Also used as a mulch on top of tomato pots. No problems.
    4. Used hops to fill large rectangular plastic troughs for carrots. Hops with 1.5 inches of compost on top. That was the length of the carrots. Failure.
    5. Celery 2 inches of compost/manure on top of hops. No problems.
    6. Onions same as for celery. No problems.
    7. Beetroot same as celery & onions. No problems.

    There was some hops spread over my beds of cauliflower and Calabrese, but not enough to judge.

    One problem is that getting the hops fresh they dry out and the tomato plants sink! Not a problem with potatoes as they continue to grow, just add more. Have started to store for next year so giving them a good bit of time to dry out.
    Last edited by veggiechicken; 24-11-2018 at 06:47 PM. Reason: Merged with previous thread

  2. #10
    Grumpy Gardener is offline Seedling
    Join Date
    Feb 2015


    My son's a brewer and for many years I have used between 60 and 70 brewer's grain sacks a year on my 2 X 280 sq.m plots.
    I mainly use them as a mulch as they contain very little nutrients , if any and they dont compost down on their own very well at all.
    I put well rotted manure around my fruit trees, canes and bushes and then put about 4 inches of hops between the bushes and rows. Very few weeds come through and those that do are easily pulled out by hand.
    They are superb as a soil conditioner and will leave your soil in a beautiful friable condition.
    As a trial this year I filled the valleys in the ridges of half of my potatoes to see if it made a difference to yield. There were less weeds to pull out , the potatoes were easier to dig up but there was very little difference in crop.
    As I work on the no dig system they have made my life a great deal easier.
    bramble, veggiechicken and JMCKG like this.

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