Jill is planting her garden, but is in March, and in March, in the Midwest, the ground is still frozen. Also the grass is green with no snow on the ground, but March is when most of the snow falls.
Pete describes corned beef and cabbage as "a traditional Irish feast." While corned beef and cabbage is not Irish as in "from Ireland", it is derived from a similar Irish dish called bagún agus cabáiste ("bacon and cabbage"). Irish immigrants to the US living in New York substituted corned beef (a fairly inexpensive deli staple) for the traditional bacon to save money, and this became a new Irish tradition of its own.
That's an end table not a coffee table.
Pete describes corned beef and cabbage as "a traditional Irish feast." Corned beef and cabbage is not Irish. It is a completely American invention. Many Irish who immigrated to the US could not afford the pork they enjoyed back home, so they turned to beef brisket. To cook it, they adopted the brining and pickling method which creates corned beef. They paired it with cabbage, which was also very cheap, which resulted in a "traditional Irish feast" being born in the US.