Spring is here, and that you know what that means—it's time to turn off those old reruns of "Law & Order" and head outside to get your lawn in order.

Landscape contractor Roger Cook and landscape designer Jenn Nawada, who both frequently lend their expertise to This Old House, joined Boston Public Radio to take your questions on keeping your grass happy, replanting large trees, and keeping your yard in bloom all year round.

To hear their advice, tune in to Boston Public Radio above.