Shortly after germination two juvenile leaves called cotyledons appear. These are the plant’s food source during germination and will eventually shrivel up and disappear. Wait until the seedling produces two true leaves, which look very different to the rounded cotyledons, before putting into another container or straight into the garden.
Using a pencil, gently dig beneath the seedling and lift it carefully by the leaves. Tease the seedlings apart. Make a hole in the soil big enough for the seedling, place seedling in hole