Potatos in Containers

 

 

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Since I have so many potatos planted in the ground, in 'traditional' hills, this year I decided I was going to go ahead and try an alternative method of planting, as well ,since I have a massive number of additional sprouted spuds from last year.

I've see quite a few different alternatives proposed over the past few years:  planting in old auto/truck tires, planting in boxes, in bags and in buckets.

Currently my 'main-crop' potatos are done in raised beds... basicly a low potato box.  I've tried them in tires, with disappointing results!

So...  this year I decided to plant my excess starts in buckets.  At the bottom of this box I'll be putting a couple/three links to YouTube videos that I used as a starting point.

The fellows in the videos are from England, so I don't have access to the 30 Liter pots he refers to.  I've substituted 15"x15" tree ball pots that I can get from the local nursury.  They are roughly the same size - about 6 gallons.

He used a fertilizer mix that is a blood, bone and fish based 'general' garden mix. 

Again that is not available in my area so I made up my own... 1 bag Blood meal, 1 bag Bone meal and 1 bag 'Marine Cuisine'

For the Compost portion I used composted leaves from my local Recycling Center which I screened.  I get these by the trailer load from there, for free!

I did up 10 buckets using Milorganite fertilizer as 'Controls' and another 12 using the home-brew mix.


Container Grown Potatoes Big Harvest : Blight resistant Sarpo Mira

Allotment Diary : How I plant / grow my Container grown Potatoes

2013 Potato Reveal 9 Sarpo Mira, Sept 21

 

 

Fertilizer Components
Blood Meal

12-0-0 (N-P-K)

12% NItrogen
(derived from Porcine blood)
Bone Meal

4-12-0 (N-P-K)

4% Nitrogen
12% Phosporus


Marine Cuisine

10-7-7 (N-P-K)

10% Nitrogen

7% Phosporus

7% Potassium

 

My Mixed up 'General' Fertilizer'
Milorganite

Primary Nutrients Secondary Nutrients Micronutrients
Nitrogen (N) 5% Calcium (Ca) 2.1% Iron (Fe) 4.34%
Phosphorus (P) 2% Sulfur (S) .58% Zinc (Zn) .045%
Potassium (K) .32% Magnesium (Mg) 0.68% Copper (Cu) .022%
    Manganese (Mn) .133%
    Boron (B) Trace
    Chlorine (Cl) Trace
    Molybdenum (Mo) Trace

  

Prepping the Compost
Raw Compost from Recycling

(Sticks, stones and trash - no extra charge)
Compost Screen

2"x3" frame with 1/4" galvanized mesh/screen tacked on.
Screened Compost

  

Potting up the Sets
  
Put 3" Screened Compost in pot   
Mix 4 oz Fertilizer with compost     
Insert Potato Sets into bottom layer
and cover with another 2-3" compost. 
   
Five of 22 containers done!     
Bed prepped for containers     
10 containers, lined up to be inserted into 2" holes.     
Buckets in ground with dirt banked up around them.     
Straw mulch surrounding the buckets to keep moisture in place.     
All done and ready for watering!     


As the potatos grow upwards in the buckets they will need more compost put around the stems.

When the stems protrude 3-4" out of the compost add more compost till only the top of the leaves are exposed.

 Stop adding compost when you reach the top of the bucket. 

At this point, continue watering until the plants 'die back' - are ready to harvest.

Note:   Potatoes need at least 1" of water per week through out the growth cycle to produce the maximum size tubers!