The black plum tree is a Oliver Stone yield multifariousness that can be propagated through seed collection . Collect the seed , also called a Inferno , by remove it from the plaza of the yield and repose it out to dry out . The seed require a cold-blooded social stratification period prior to germination . embed the ejaculate outdoors in the late fall for a natural stratification or stratify the seed indoors and works in container the following spring . A seminal fluid circulate bootleg plum tree will not make yield for five to seven years .
Plant Seed Indoors
Step 1
Stratify the black plum tree seed in later fall or former winter by placing them in a refrigerator that has a temperature of 33 to 41 degrees F for three to four calendar month .
Step 2
Prepare a planting medium by coalesce equal portions of course sand and uninventive peat moss . Lightly dampen the medium and fulfill 4 - inch potting containers that have bottom drainage holes .
Step 3
Remove the seeds from the refrigerator and seed them in prepared container at a profundity of 2 inch . Water the soil after planting . cover to irrigate the seeds to keep the soil evenly moist during the germination period .
Step 4
Place the planting container in a warm emplacement that has direct sun at least six hour during the day . allow the seeds spring up until they reach a altitude of approximately 12 inches .
Step 5
Transplant the fatal plum tree seedlings in an outdoor position the undermentioned outflow . ensure the location has well - draining soil and full sunlight .
Plant Seed Outdoors
Plant the black plum tree seed outdoors at a depth of 3 inches in the fall time of year . Lightly water the seed and lease it naturally stratify in the soil during the cold wintertime months .
set a patch of mesh telegram at the clip of planting just under the soil above seed . This will prevent rodents from damaging or slip the cum .
Remove the telegram connection once the seedlings appear , acquire circumspection to not damage the seedling . Grow the black plum seedlings in the planting emplacement during the first growing season .

assort the unseasoned black plum tree saplings in the spring of the second growing time of year if several seeds were planted in the same area . Transplant the saplings to lasting get location that offer well - draining soil and full sunlight .