Certified Mail Return Receipt Requested. Each USPS Certified Mail letter provides proof of mailing and delivery of a letter. The sender receives a receipt at the time of mailing from the Postal Service.
Habaneros are a little more difficult to start and generally require at least 7 - 14 days to germinate. Some will take upwards of 21 - 30+ days. Soil temperature is the key, to hot or too cold little to no germination. Your soil should remain moist, not too wet, but shouldn't dry out. The temperature of the soil should be between 75 - 85 degrees, with 85 / 86 ideal. Don't take it above 90 at 95+ germination drops off. Planting depth shouldn't be more then 1/4.
Grow the hottest habaneros by stressing your plants once they bloom. Water your plants only once a week or so, even if they start to look wilted. Stressing the plant causes it to create more capsaicin, which is the chemical that creates the heat in peppers.