for only an hour or two. In addition, the last thing you will need to worry about is weeds since the containers are able to ensure that the weeds do not attack your crops. By using manure and compost as well as basic NPK fertiliser you’ll ensure you provide the micro-nutrients (the plant equivalent of vitamins) required for a high yield of healthy potatoes. Fill the container 4 inches (10 cm.) Larvae are reddish or brown, soft … I checked the ones outside today and they have inch round potatoes on so in a week they will be coming out which will also be about 8 weeks from planting, the next potatoes along are Folva they will be ready in a couple of weeks, they do generally flower a bit before we oink … Growing potatoes in containers is simple and fun. The next essential for potatoes in containers at all stages Select the Right Variety.