Herbs from Seeds Soak larger seeds in water to soften the seed coat and speed germination. The rule of thumb for planting seeds is that they should be buried to a depth of two to three times their diameter. Seedlings need to be kept moist until they emerge. They also need plenty of light. If you don't have natural light, you'll need to supply artificial light.
Fluorescent lights work best.
Eventually, your plants will grow out of their small containers moved to larger ones.