Where to buy hardscape material?

[simpsongal]

DH and I need to buy flagstones and other hardscape materials (blue stone? brick?) to lay pathways and whatnot. 

Does Home Depot have good prices/selection for this stuff?  Or would I be better off going to a smaller place?  I'm having trouble finding a hardscape place in the area, aside from contractors that do hardscape projects for the homeowner.  Should I pull a contractor off angie's list and ask for materials quotes?

TIA! 

ETA: Bonus if you have a rec' in Northern VA.

[TBM]

We found materials by looking for masonnry suppliers locally. They carried stone, brick, block, pavers...you name it.

[kaylie]

Our local garden centers carry a lot of it. Most have better selection and prices than the big box stores.

[simpsongal]

That's what I was thinking. I might have to do some comparison shopping.

It's so funny to be thinking about landscaping when we're prepping for 6-10 inches of snow

[FoxInFiji]

Local stone yards and masonry stores are our best bet here. A much bigger selection and better prices. I don't even think our HD carries flagstone just that cement paver that is made to look like it but really doesn't at all haha.