It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Prophet (peace and blessings be upon him) said: "There is no zakat on less than five camels, less than five awqiyah of silver, or less than five wasq."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 5670
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف لضعف ليث.