you go to snobby manor and get seeds

Go to the first level and see that garden. when butterflys are over it move your hand
fast. a seed will come out of it. plant it just go over it fast and it will make a plant.

you go to your map and then you select snobby manor witch was the first level. you then go
over to the garden and wait till butterfly's fly over the lettuce. when the butterfly's
are over the lettuce you shake your hand fast over the plant till a seed comes out. then
pick up the seed ( press B to pick up) and place it in your backpack and take it over to
where you need to plant the lettuce.

the title is the answer

snobby manor

go to snobby manor wait intil the butterfly come then shake it intil the seed comes out.

what if all your lettuce is gone from there