Consult The Old Farmer’s Almanac website if you are unsure of local frost dates. [1] X Research source
Keeping your grow bag on a patio or balcony is a good way to keep it safe from curious animals.
Once they have begun to sprout, you can cut the potatoes into smaller chunks, or simply plant them whole. [2] X Research source
Potato fertilizer is optional but recommended for a maximum yield.
Potato Blight can be a problem for later yielding crops. You can protect against this fungal disease with a Vitax Bourdeau Mixture, a traditional, protective fungicide, available in the ‘pest control’ section of your local hardware or garden supply store.
Use a small spade or garden fork to gently remove the potatoes. You don’t want to be too intrusive or you run the risk of interrupting the growth process for your main crop.
If the weather is dry, allow the potatoes to sit, unwashed for 2-3 days. This curing step allows the skin to mature and will protect your potatoes during storage. [6] X Research source Clean out the bag and store it away until next year.
Store potatoes separate from onions and fruit. These give off ethylene gas that can cause your potatoes to sprout prematurely. Store your potatoes in the dark. Prolonged exposure to light can cause a chemical build up that will cause potatoes to turn green and produce a bitter taste. This has been known to cause illness if consumed in large quantities. [7] X Research source
