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." (FR)
English reference (FR): Vol. 3, Book 20, Hadith 2593 (FR)
Arabic reference (FR): Book 20, Hadith 2691 (FR)