Here are some good sites for beginner seed-sowers. All links open in new tabs.
Trudi Greissle Davidoff’s classic site wintersown.org appears to be down– or decommissioned.

- Series of three articles re-blogged by the RBG: https://www.rbg.ca/winter-sowing-part-one/
- A pdf of a presentation for Hamilton’s Action 13 in February 2022 https://monarchawardshamilton.org/wp-content/uploads/2022/02/wintersowing-presentation-2022.pdf
- The Spruce’s winter sowing page is quite good: https://www.thespruce.com/what-is-winter-sowing-1403095
- Here’s a really nice, photo-laden “how to” done by a home gardener https://thereidhomestead.com/seed-starting-101-winter-sowing/#Winter_Gardening