I'll put a link below to garden club in your state -- someone who lives nearby might be able to look at your mystery plant and identify it.

The Long Beach Island branch is in the Shore area, and maybe others as well.

Some of the local garden club members may want your white rocks too:

Here is a link that might be useful: New Jersey Garden Clubs

They have a place here on Garden Web called Name that Plant. Link below. Good Luck

Here is a link that might be useful: Name that plant

Are you talking about hostas? If so, most are shade lovers, so be aware what you're planting where.

Good luck getting rid of your rocks. The previous owners of our home used a lot as "mulch" (which is both ugly and pointless, IMO) and I had a dickens of a time trying to find someone to take them off my hands. I ended up finding a neighbor with equally misguided gardening ideas and delivered them by the wheelbarrow to her. Your best bet is probably posting it on a local Freecycle board.

Take your time in making changes to your yard. You may be chomping at the bit to personalize it, but this can be disastrous before you understand the sunlight and drainage patterns and the soil quality on your property. Neighbors with gardens you admire and local botanical gardens are great places to learn about what blooms how, when, and where before you invest time, money, and backpower into redoing your yard.