Can I still get in trouble if I have more than 56 grams and didn't know the limit?
Short answer: the limit matters, so know it. The law sets possession at up to 56 grams. That is the line. Under it, for someone 21 or older, the small-amount criminal penalty is removed. Over it, you are outside what decriminalization covers, and "I didn't know" is not a defense anywhere, for anything.
So the honest advice is simple. Know your number. 56 grams. If you are holding more than that, you are carrying more risk than the law protects.
What you can do: if you are not sure how much you have, weigh it. Do not guess. And if you are moving toward growing, remember the plant limit is 4. Same logic. Stay inside the lines the law actually drew, and you stay inside its protection.
Got a limit question that is more specific? Ask it here. No name needed.