I can’t comment on where to buy hay online in the USA, but in terms of storage; you can store in plastic bins, woven mesh bags or timber/plastic storage chests,. You just have to make sure that wherever you store it, it’s not going to get wet, and that there is ventilation. If there isn’t ventilation the hay will sweat and can go mouldy (especially if the container is in the sun). So a couple of air vents in the side will help that out. I was originally keeping my hay in woven plastic bags which I simply tied at the top (the woven plastic breathed well so didn’t sweat). I now store my hay in a timber chest (like a blanket box) and keep it under the veranda outside so it’s not in the sun or rain. I put a couple of small vents in the sides and the hay keeps really well

The most popular online places for hay seem to be Small Pet Select and KMS Hayloft, American Pet Diner, One Ear Up, Sierra Valley Pet Hay, etc., for bulk hay. The Binky Bunny store also sells mini bales. With 3 bunnies and me being very picky about hay, we go through a ton of hay, and I think I’ve tried every online place.

The amount of hay you want to buy per order, as well as your location, should play a part in your choice as well. My bunnies tend to prefer western hays but I live on the east coast, so I have to plan well in advance when ordering from west coast places as their hay can take one to two weeks to get to me (I order 20 to 60 lbs at a time). SPS definitely has the quickest delivery times since they ship from both the west coast and mid-west (I can get theirs in 2 days for example). Watch out for shipping charges too — some include shipping and some don’t so make sure to look at the “whole price” when ordering.

2nd cutting timothy (a good mix of stalk and leaf) is the most popular hay for bunnies, but orchard is a good alternative (especially for bun slaves with hay allergies). Some bunnies love oat hay and some don’t — my bunnies don’t care for oat hay stalks but love the seedheads. Mixing different hays and/or different cuttings can give a nice variety too.

As far as storing hay, inside in a well ventilated dark area is best. Hay naturally has some moisture in it (even though it may not seem so!) and must be able to “breathe” or it will mold. Some people use plastic containers without the lid, but I personally prefer cardboard boxes — even the shipping box if it hasn’t gotten dirty in shipping. I generally store hay in open top cardboard boxes on a shelving unit in my storage room. Cardboard breathes so it isn’t necessary to punch holes unless you’ll be storing the hay for quite a while and as long as the top is open for ventilation.

I have one of those plastic chests of drawers – a cheapo one from the Japanese dollar store – with three drawers that I drilled holes into (on the sides). I keep CareFresh paper litter in the bottom drawer, Orchard Grass in the middle drawer, and Botanical Hay in the top drawer. It’s my little system for efficient refills of both litter box and snack box.
Plus now there’s no more mess like there used to be after tugging hay out of the original plastic bags.

I Purchased a 35 GAL Plastic Storage bin. Drilled a ton of little holes on all sides. not on the bottom. and made sure any plastic pieces was taken off from drilling so it’s not in the hay. I filled the bin up to the top and it had a lid too, so I drilled holes in the top also. I had bought a 50 lb bale of hay for $10 at a farm 30 min away. Timothy grass hay. so I filled the bin which is huge and also filled up 3 kitchen garbage bags. WOW I had a lot of hay LOL and I put the bin in the closet in their room. easier to grab hay out of the bin rather than when it was all ceran wrapped together.