Once sown, keep your seeds evenly moist without drowning them. If you have only a few plants going, a spray-bottle will work. Eventually, however, you'll want a special watering can or hose nozzle to provide a fine spray (see our merchandise section).
For “surface-sown” seeds, you may want to cover your flats or containers with glass or clear plastic to retain moisture and allow light to penetrate. Be careful not to "bake" the seeds in direct sunlight. Once your seedlings emerge, allow the surface of the soil to dry out between watering. Over-watering can lead to problems such as damping off.
Most seeds need a soil temperature of at least 65 degrees Fahrenheit (18 Celsius) to germinate successfully. Again, your packs will have specific information. If you find it difficult or impractical to keep the whole area warm, you may want to consider a Seedling Heat Mat.