Twelve Days of Christmas for gardeners

To celebrate the season, sing along with me (with apologies to the original version of the carol). In the final days of Christmas, the garden calls to me:

Twelve seeds-a-sprouting – In late winter, change up your garden by starting your own seeds. You'll expand your varieties beyond the choices everyone is offered and have a garden custom fitted to your taste or pleasure.

Eleven pipes- a-bursting...