It's such an individual thing, you shouldn't take our word over your own gut. Why not try a small salad and see how things go
I'm not really a salad person but do eat raw baby carrots as a snack. Carrots, raw and cooked, have always been gut friendly for me but I stay away from onions and raw broccoli. Always had an issue with salad dressing to, like what is in it really.
In remission April 2010 after 10 years of UC with no remission ever
Jan 2010 began SpecCarbDiet (modified to remove dairy, fruit & juices,)
Gluten-free=bleeding stopped in 3 days, 95% remission in 5.5 months on SCD
SCDiet: Gluten/grain-free, starch-free, low carb, honey as sweetener
(9)Balsalazide+(6)Citrucel, mesalamine enema as needed
Spinach & sunflower seeds daily, (1) VSL#3 nightly