In short
When the stalks appear, darnel becomes recognizable, especially in the black seed caused by the fungus, which is why it is also often called black-wheat.
Matthew 13:26 shows that the feared result is seen once the plants bear fruit, as the kingdom’s sowing is opposed by weeds.
When the stalks appear, darnel becomes recognizable—especially because of the black seed caused by the fungus. For this reason, it is also commonly called black-wheat.
1
Matthew 13:26 shows that the feared consequence becomes visible once the plants bear fruit. The kingdom of heaven came to sow, but the field is overrun with weeds—highlighting the opposition to the kingdom.2
26 So when the plants came up and bore grain, then the weeds appeared also.