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|After the cold stratification, fill 4-inch plastic pots with potting soil until the soil level is 1/2- to 1-inch below the top. Fill the pots with water two to three times, or until water runs out of the drainage holes at the pots' bottoms. Let the pots sit until the excess water finishes draining.
Remove the seeds from the refrigerator. Plant one seed per pot. Place the seed in the center of the pot and push it 1 inch down into the soil. Cover the seed with potting soil and press it down firmly, but gently.
Place a heat mat on a flat surface near a window that receives bright, indirect sunlight. Set the mat's temperature to 70 degrees Fahrenheit. Place the pots on top of the mat.
Water the seeds every few days to keep the soil moist, but not wet. Observe the seeds for the next 60 days for signs of germination. Transplant the dawn redwood seedlings into 1-gallon pots when they reach 4 inches in height.
|Scarification / Stratification
|Hold a handful of peat moss under a stream of water until it is thoroughly wet. Squeeze the moss gently to remove excess water. Place the moistened peat moss into a plastic bag.
Add the seeds to the bag and seal it closed. Shake the bag gently to mix the seeds and moss together. Place the bag in a refrigerator for 90 days to cold stratify the seeds to break the embryo dormancy.
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