Horseradish spreads quickly and vigorously on moist soil. But there is a way to stop the growth of horseradish. This requires a planter.
Horseradish has the property of really spreading uncontrollably in very humid locations if you let it. The trick to stopping the growth of horseradish is a simple planter.
Put planter in the ground
This is sunk into the ground and has the effect of restraining the growth of the horseradish. Plastic or clay containers that have holes in the bottom to ensure water drainage are ideal.
Minimum depth 30 cm
The container should be at least 30 cm deep, because then the plant will have strong roots, which are also great advantages in the kitchen.
Growing horseradish in a planter is also very useful for the harvest, as the rootstock can be very easily potted out and shaken out.
Harvest strong roots, return weak ones to the ground
While the strong roots are used in the kitchen, the weak roots come back into the ground to become kitchen-ready by developing strong roots here as well. This requires a bit of patience, but it's worth it.