Looks great so far. Could we see the view behind the love seat as well?

I thought two or three of these moss-filled terra cotta pots would be cute on the dining room table...

Pottery Barn has beautiful lamps for inspiration, and Target has farmhouse style items that won't break the bank.

Lamps -- the one on the left is pricey but gorgeous. The one on the right, much cheaper, would be pretty and bring a bit more colour up from the carpet.

https://www.birchlane.com/lighting/sb0/table-lamps-c1867262.html

I think the ottoman is not right for the look. In fact, I don't think ottomans really fit in a farmhouse style setting. A simple wooden table would be better, or perhaps something in wicker?

You have competing styles. The white slipcovers add a formality to the room, your coffee table works well but then the side container by the window and end table with the dining set is very informal. Which way would you want to go, beef up the formality or go with a more casual vibe?

Here's a better coffee table for you. Coffee table

I know you said you are apprehensive about putting things on the walls. I think you need to put just a few nail holes (easy to fill) for some art above the sofas to bring some color & texture into the space. It will help bring so much more to this home.

Also, large leaning floor mirrors do not put holes in the wall and will add some great dimension as well.

For reference:

Casual Chic Country Look

Aw I hate that the styles seem to be conflicting but I love the ottoman! It’s hard to tell from the photo but the wood on the bottom of it is very rustic looking. I think the lamps posted are perfect. I’ve been torn between brining in a pop of color or sticking with glass and the neutrals but I think I might just go with the glass. About the tv, it is centered but it is actually on a swivel so in the photo it was tilted towards the large couch. Does anyone have any ideas about how I can decorate that shelf I hate it because it’s too small but I can’t take it off. For art I am thinking about a framed sketch of something historic but I don’t know if black and white will be bland. Thanks so much for the help!

Also any ideas about window treatments? I wanted to do sheers but is that too much white? I think too much pattern will take away from the casual farmhouse feel that I am trying for (despite the ottoman)!

To your farmhouse inspired look Brylane Home canvas curtains would look nice.

I like the idea of a glass lamp with metal accent, and I'm a huge fan of mercury glass candle holders. Also, aren't there products for hanging art without making holes in your walls? Any art that makes you happy is what's important, and something historic sounds very fitting with your style.

I’ll put up some pictures of lamps if I find one today. Not sure how but I kind of like these iron scroll pieces maybe above the couch if I can’t find art? I don’t know if they are tacky though.

Beautiful space. Here's some suggestion for your wall you might like......to know more about my Art work and collections please visit my shop -

http://www.pooviartgallery.com

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I prefer your idea of historic art for the wall above the couch. You can get a print of an historic sketch or farmhouse photography from an artist on Etsy and have it framed for no more than the cost of one of the scroll pieces, and I believe it would be more interesting to you and your guests. Or visit a flea market for something authentic. Were you looking for something with a different shape?

Yeah exactly. I was thinking that a different shape or texture would ass another element. I think you are right about the print though. I need to start thinking about size

I've rented and if you're careful, pick light art, and put it up and take it down correctly, you can hang art. But definitely think a lot about placement before doing it, so as not to create unnecessary nail holes. You can find a lot of unframed light art pieces around or check out some antique or thrift shops for something vintage.

When it comes to hanging art, keep in mind those Velcro Command Strips. I use them to hang almost everything and they don't damage the walls. They hold a surprising amount of weight. That metal scrollwork would probably take one nail, but most artwork, unless the frames are really heavy, can be hung with the command strips.

I'm not so sure the metal piece is "farmhouse." Rustic, probably. When I think farmhouse, though, I don't think of that type of piece. I think you can do better, but if you really LOVE it, then go for it!

I do like the upholstered ottoman but I like yayagal's coffee table suggestion even better! It will definitely help set the farmhouse tone you want.

The general rule for hanging art over a sofa is that it should be 2/3 to 3/4 the width of the sofa.

How cute is this windmill from Pier 1? I'm sure you could find larger ones or get one specially made for you from someone on etsy.

https://www.pier1.com/galvanized-windmill-wall-decor/3102694.html

It might be cliche, but I think cotton stems are adorable.