Is it necessary to transplant seedlings from their original containers into larger ones before their final transplanting into the ground? If so, at what stage of their life should it be done? I was led to believe that this was necessary to strengthen them for their final transplanting into the ground.
Certified GKH Gardening Expert
No, you don't have to do this. Once they reach a healthy enough size, you can simply transplant them straight to the garden, though hardening them off first is recommended. These articles should help:https://www.gardeningknowhow.com/garden-how-to/seeds/when-to-transplant-a-seedling-plant-into-the-garden.htm, https://www.gardeningknowhow.com/garden-how-to/seeds/how-to-harden-off-your-seedlings.htm