The optimal period for propagating western red cedar by cuttings is during autumn when the temperature is mild, allowing for root development without the stress of extreme heat or cold. Shorter days promote root growth over foliage. This season aligns with the plant's natural growth cycle, providing conditions that enhance the chances for successful establishment before winter.

Once the western red cedar cutting has established a robust root system, it can be transplanted into a larger pot or directly into the ground if outdoor conditions permit. Western red cedar prefers well-draining soil and full sunlight to partial shade. Water the newly transplanted western red cedar regularly to maintain moist soil conditions until it is fully established. Mulching can help retain soil moisture and protect the roots. Gradually acclimatize the young plant to outdoor conditions if it was started indoors. Monitor for pests and diseases and apply appropriate treatments as needed. Prune western red cedar to manage growth and shape as it matures.