How many eggs do garden snails lay?

About 85 each time, for a total of around 430 is the number of eggs that a garden snail lays.

Specifically, the data are for the brown garden snail (Helix aspersa Miller). Egg-laying generally can take place every six weeks between February and October. That means about five egg-laying times, each involving about 85 eggs, under optimum circumstances of humid temperatures above 53.6

About 85 each time, for a total of around 430 is the number of eggs that a garden snail lays.

Specifically, the data are for the brown garden snail (Helix aspersa Miller). Egg-laying generally can take place every six weeks between February and October. That means about five egg-laying times, each involving about 85 eggs, under optimum circumstances of humid temperatures above 53.6°F (12°C) in humid soils.