For potatoes a raised bed needs to be at least 12 inches deep.
Growing potatoes in raised beds uk.
How to plant potatoes in a raised bed.
Therefore the bed should be filled to the top prior to harvest.
Potato planting in raised beds step by step.
With both early and maincrops space along the rows as normal.
Optimum spacing for growing potatoes in raised beds the optimum spacing is to have two rows 30cm in from the side with 60cm between when growing maincrop varieties.
And the larger potato will grow more amounts of smaller potatoes.
I will be planting my potatoes in a four foot by four foot raised bed that is 12 inches deep.
For early varieties three rows 15cm in from the side then 45cm apart.
You can use all kinds of materials for a raised bed including beds made out of traditional wood metal or plastic.
Dig trenches 4 6 inches deep.
That is why people take a larger potato and cut it into pieces each piece with an eye on it let it sit in a dry place for 24 48 hours before planting and then put it into the ground.
This depth keeps the potatoes underground reducing the risk of sun exposure.
It doesn t look like much now but soon potato plants will burst up through the raised beds and mulch and begin producing tubers.
If in a rich planting bed space them 8 inches apart in rows 8 inches apart if you intend to take an earlier harvest of some of the potatoes.
Like the other methods continue to add soil as the plants grow until the bed is completely filled.
Add compost mixed soil to half fill your raised bed then space the seed potatoes roughly 30cm apart in an even grid burying them about 8cm deep.
You can also repurpose materials like old tires and drums to create makeshift virtually free raised beds.
Seed potatoes should be at ground level and given 12 of combined soil and or mulch throughout the growing season.
It means that the smaller the potato that is planted the bigger potatoes it will grow.
Potatoes will also grow in traditional raised beds but you may loose some of the potatoes growing near the surface.
Now that the seed potatoes are ready for planting it is time to prepare the planting bed.
Prepare the raised bed for planting.
Normally you would earth up potatoes to protect the top ones from the light.