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Making Organic Fertilizer with Comfrey

Written by Mindy on September 23rd, 2016

When it comes to gardening, nothing beats a good organic fertilizer.  This is especially true when you can make it yourself and at the fraction of the cost.  Below are a few ways by which you can use comfrey as an organic fertilizer.

Comfrey Mulch

comfreyUsing comfrey as a type of mulch is so simple.  You can either lay 2 to 3 layers of leaves around the plant or dig down 2 inches and bury the vegetation.  Either way the comfrey leaves will feed your plants but there are a few plants you should avoid.  Any leafy vegetable will benefit from this fertilizer but you will not.  What I mean by this has to do with nitrogen.  Comfrey mulch is high in nitrogen and while you want a lot of nitrogen for leaf production, too much can cause leaf vegetables to bolt early.  This bolting will make the leaves bitter and nasty to taste.

The second group of plants that comfrey mulch should not be used on is any vegetable that has a taproot.  Comfrey mulch is high in potassium and in doing so have a negative effect on root vegetables.

Comfrey Tea

Making a comfrey tea is another way by which you can feed your plants.  To make this fertilizer tea, one needs to harvest comfrey leaves.   When doing this, make sure to cover yourself since touching the leaves can irritate the skin.  Once the leaves are cut, place them in a bucket and weigh them down.  Cover the leaves with water.  Place a lid on the bucket and steep for 3 weeks or longer.  This latter step is very important since comfrey tea has a foul aroma and flies love it.

After the 3 weeks have passed, stain the tea and dilute it down to 1 part comfrey tea to 15 parts water prior to using.

Comfrey Compost

Ok, I have to admit this is my of my favorite ways of using comfrey and that is in my compost pile.  As a matter of fact, I actually have some growing right next to my compost pile for convenience.  I simply cut a few leaves off and place them in my compost bin.  I then top this off with some garden soil.  The comfrey, which is high in nitrogen works with the healthy bacteria and fungi in the soil to speed up decomposition.  While I do not do this every day, I do add fresh comfrey leaves to the compost bin at least once a month.

As you can see, the simple nature of comfrey makes it a must have in any garden space.

 

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