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