It was narrated from Rafi bin Khadij that the Messenger of Allah (ﷺ) said:
"The hand is not to be cut off for (stealing) produce or the spadix of palm trees." (ES)
English reference (ES): Vol. 3, Book 20, Hadith 2593 (ES)
Arabic reference (ES): Book 20, Hadith 2691 (ES)