This technique is known as the “Winter Sowing Method” because you sow your seeds in the coldest months.
With other seed-starting methods, timing is critical and varied. For instance, some seeds need to be sown 6 weeks before your last frost, while others require 10-12 weeks before your last frost.
Thankfully, winter sowing eliminates the need for a long list of “when to start seeds” dates.
With this method, you start all plants* anytime from January through March.
(*All plants that are good candidates for winter sowing, that is. Refer to your Winter Sowing Chart available in this module’s download file.)
Winter sowing is made possible thanks to the greenhouse effect of the milk jugs. Seeds will not sprout until the conditions within the jug are right for the seed variety.
Think about how “wild” seeds in nature grow. They are dropped on the ground—by wind, animals, etc.— throughout the year. It doesn’t matter when they are sown. It is only when conditions are suitable for growth that they begin to sprout in the spring.
Simplicity at its finest.
