It would help to see what you have going on in the rest of the room.

Not much. Just moved in so don't even have a coffee table or curtains. But I do have hard wood floors. That's about the only context I have!

Reference photo: the couch is now in a different spot in the room and the curtains have been taken down.

Nice couch! I would look for a rug with very subdued colors, perhaps taking the soft green and cream from the couch. I would choose a rug with a very subdued pattern, and certainly nothing floral, but geometric would not work either. There are lots of on-line rug companies or large stores such as wayfair that have a good selection of rugs. eSaleRugs is also a good source since you can return rugs without paying for shipment. Please make sure that the rug has a very generous size.

I think something with a vintage vibe might be pretty...something along the lines of this

I'd do a chunky natural looking rug, not too light.

Seagrass. That sofa is huge and the print is big and bold. No pattern, just texture, in the rug.

153 people rate it "ok" and it's on sale. If tan in the sofa, not so bad.

Machine Made Jizah Rug, Natural, 5'x8' · More Info

Since the sofa already has a lot going on I would suggest a plain rug in a the same green of the leaves ,If you like.... this one perhaps and curtains of the same colour as well .

Plush Heaven Area Rug, Rectangle, Fern Green, 7'6"x9'6" · More Info

In case you want a sweet look:

Softex Check Rug, Camerum Check, 5'x8' Oval · More Info

As was said -- if you want a balance / to swing away from flowers near sofa - and add in lamp, or art instead.

Surya Jute Bleached Bleach 8'x10'6" Area Rug · More Info

Oriental Weavers Impressions Beige-Beige 5'3"x7'3" Area Rug · More Info

I was inspired by this mix so picked the rug below. I like the stripe with floral.

Stripes and checks look super with florals. It just depends on what style you are going for in the room.

I'd use a natural rug. I like the one you just posted. I like the others above.

I don't think you asked other questions but if you're looking to add pillows I'd use colors from the sofa and if you want pattern, pick something that's a different scale than the flowers in the couch. I'd use the lightest color from the sofa (cream?) as solid curtains. I'd also keep the walls light and whatever neutral you use, if you use a neutral, I'd make sure the undertones are the same across the board.

Yes, that's nice. Just a table if you want a slight dress-up on the rug.. traditional distinction?

Bassett Mirror T2618-100 Hitchcock Rectangular Cocktail Table · More Info

A rough table.

Red Distressed Skinny Wall Table · More Info

It doesn't shout 'industrial' but says with concrete finish... cool. ?

Thomas Accent Table · More Info

Of the rugs posted, I like the vintagey one and the stripes. Certainly the solid color ones will work but I think I prefer the stripes/vintage one

I would go with a beige. I like d_gw's example. I have a cranberry/green combo in my living room and it still to this day reminds me of Christmas. Which is nice, but only in the winter.

Pairing it with stripes or checks seems very 90's to me.

believe it or not

Karastan Spice Market Saigon Multi Area Rug – Incredible Rugs and Decor · More Info

Popcorn Jute Spice Rug | Pier 1 Imports · More Info

Hi Bunty, we are all just guessing here as we have no real clues on what direction you want to go in decorating with your floral sofa. Anyway, hopefully you will get some ideas of possibilities. I really like the simple green marble top coffee table but would put a cool light colored vintage look tray on top so the green marble just peeks through.

P.S It's difficult to see the "real" red-ish rose or Red color on the sofa due to shaddows so the reds in accessories or art in my mock-up could be changed to something more suitable.

Thank you all so much! You have given me a lot to think about :)

@Bunty Drewitt I would love to see the transformation.

Any updates on the living room???