Recall that in the parable, the slaves asked their master for permission to uproot the weeds.
وَكَمَا جَاءَ فِي ٱلْمَثَلِ ،‏ طَلَبَ ٱلْعَبِيدُ مِنْ سَيِّدِهِمْ أَنْ يَأْذَنَ لَهُمْ بِٱقْتِلَاعِ ٱلزِّوَانِ .‏