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When to Flush Cannabis

Finding the best time to start flushing will vary based on how close your plants are to harvest and the knowledge and methods used by the grower.

Generally, flushing cannabis normally takes place two weeks before it is harvested. If the plant has an 8-week flowering period, flushing should start 6-weeks after the beginning of the flowering stage when trichomes begin to form a cloudy white color.

Flushing cannabis removes leftover nutrient buildup from the roots and soil of your plants giving them a fresh start. Flushing effectively allows your plants to absorb any nutrients that are still in the soil.

Flushing cannabis too early and too often will restrict nutrients and restrain the plants from growing and flowering. Flushing too early can also result in yellowing or discolored leaves.

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