Question about a prickly pear

Question about a prickly pear

A neighbor of mine has a huge prickly pear cactus and I'd really like to get a piece and grow my own. If I get her permission, what is the best way and best time to root it? --I like in zone 7, North Alabama.
Question, Plant ID, Budding Dahlia

Question, Plant ID, Budding Dahlia

Hydrangea Bed

Hydrangea Bed

Today’s harvest.

Today’s harvest.

Grandmother’s Iris

Grandmother’s Iris

A two bedroom welsh apartment

A two bedroom welsh apartment

Bug ID

Bug ID