After your ileostomy is placed, your body will need time to get used to a regular diet. Most people are able to start eating a near-normal diet after their body has adjusted. Your doctor or registered dietitian nutritionist (RDN) will tell you how long to follow the diet.
Initial Recovery: Most healthcare professionals advise a low-fiber diet for the first 6-8 weeks after surgery to give the bowel time to heal and for swelling to subside. During this time, raw fruits like grapes are typically avoided.

The advice I was given when I got my ileostomy was to avoid them at first and try small amounts later and experiment with what works and what doesnt. I can eat anything. It really comes down to you.

Furthermore, visual representations like the one above help us fully grasp the concept of Can Your Dog Eat Grapes After Ileostomy Surgery.
This information describes dietary (eating and drinking) guidelines to follow while your colon is healing. It also explains how to manage common side effects of having an ileostomy.General Eating and Drinking Guidelines. Follow these guidelines for the first few weeks after your surgery.
Right after surgery, you have an increased chance of having a blockage if you eat larger amounts of high residue foods. High residue foods are not easily digested as they do not break down in the bowel.Diet and nutrition after ileostomy surgery. What else do I need to know?