So, their wariness of plants may just be a natural behavior that has resulted as a way for humans to keep from getting poisoned.
Still, plenty of babies don’t have an issue with playing in grass. In fact, they even enjoy it! But if your baby has shown signs of being afraid of grass, you can slowly acclimate them to grassy areas by including activities they like.
You can also sit on the grass yourself to show your baby that it’s okay. Once they’ve experienced positive feelings associated with grass, they can begin to get over their fear of it.