Acer palmatum Growing Instructions Print

Acer palmatum

Fill a bowl with cool water (not cold). Place about 20 to 30 seed per bowl. Don't try to crowd more than that amount per bowl. Let these seed soak for 72 hours. Every 24 hours, you need to change the water, this part is very important; it helps keep fungus from beginning on the seed.

Deciduous tree seed have to be stratified, they have to be tricked into thinking they are going through the dormant winter season. They also need this period of time to store up energy for the final stage of breaking out of their shell.

Use brown paper towels. Place the seed on a sheet of towel and (gently) pat all the moisture off of the seeds. Repeat until you are satisfied all the dampness has come off the seed. use small Ziploc bags (snack size),
Place the 20 or more seeds, no more than 30 in the bag and begin to roll toward the open end to dispel most of the air. Zip it closed. Important: Place the bags in your refrigerator in the lettuce crisper or veggie drawer.

The temperature in these compartments usually stays at a constant. You need to check it with a thermometer and make sure it is between 37 and 40 degrees Fahrenheit (~ 3 to 4 degrees Celsius).

The seeds must stay at this temperature for 90 days. About once every 10 days, take the bag of seeds out and gently tap the condensation off the inside walls of the baggie. Place back in the refrigerator on the opposite side which the bag laid. Let them sleep and repeat the tapping off process every 10days until the 90 day period is up.NOTE: A few more days or even a week past that period won't hurt, but less than 90 would not be good unless your seed begin to sprout, in which you must take them out and plant them.
You are now ready to sow your seeds! Seed trays will work if you don't have room outsidePlant the seed and cover with soil only the depth of the diameter of the seed. Keep the seed slightly moist (not wet) until germination.

Generally speaking, the ground temperature should be between 58 and 62 degrees Fahrenheit (~ 14 to 17 degrees Celsius) for the Acer palmatum to germinate.




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