Guides
Winter sowing
Winter sowing here is named-source method notes — not a ZIP date. How a milk jug is washed, cut, and drained stays on the cited cards.
One source per card. Named-source examples — not a national winter-sowing rule.
Illustrative photograph — not a cited bed.
What the sources say — at a glance
One source per card. Facts are not averaged.
UMN Extension (Minnesota)
Empty milk jugs. Start seeds outdoors.
Details and limits (2)
Method
UMN Extension (Minnesota): using empty milk jugs as tiny greenhouses, you can start seeds for transplants outdoors instead of inside. Method.
Limit
Minnesota extending-the-growing-season sheet. Method only.
Penn State Extension (Pennsylvania)
Wash the jug. Cut a hinge. Drain holes.
Details and limits (4)
Method
Penn State Extension (Pennsylvania): wash a milk jug or suitable container in warm, soapy water and rinse. Discard the top. The opening allows rain and melting snow to keep the soil moist. Method.
Method
Penn State Extension (Pennsylvania): insert a serrated knife or box cutter into the side of the jug, lay it on its side and cut all the way round, leaving about 1.5 inches so that the top hinges open. Method.
Method
Penn State Extension (Pennsylvania): use a knife, screwdriver or nail to poke holes for drainage in the bottom of the container. Method.
Limit
Pennsylvania starting-seeds-in-winter sheet. Method only.
Sources differ
Make it yours
Save the bed in the Field Book so next season is not a guess.
Verified suppliers only
No supplier on this page
When a partner is listed, it will be outbound and disclosed. Nothing to buy here. Fertilizer, soils, and pesticides stay off this slot.
Illustrative photograph — not a cited bed.
Named-source surface notes also sit beside seed starting indoors.
How we know — methodology. Ranges and assertions are cited per source, not blended.