Quote:
Originally Posted by Richard
Sounds like a fun experiment. True Mulberries (Morus) are vigorous plants so its worth a try. For nursery stock, I have cultivars grafted on seedlings of the same species.
This recommendation is for an established tree at least 6' high and wide:
Consider feeding your Mulberry tree "net 1 pound" of Potash over the active growing season this year and see if it improves of the size and quality of the fruit. For example: Potassium sulfate is usually 50% potash (0-0-50) by weight, so 2 pounds of K2SO4 will supply the tree with "net 1 pound". I would sprinkle about 1/2 pound around the canopy drip line each month for the next 4 months.
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This tree trunk is about 5-6" in diamter now and has a very good natural shape. It is over 15 feet tall. It only briefly has berries that are very small. I have another tree near by that is shaded that bears much larger berries for a longer period of time. Both trees are near the septic trank and field so nutrition is probably not an issue. But it is already some what late to try the potash since the fruiting almost over for this tree. I had hoped as it got bigger it would have bigger berries. It is now a pretty good sized tree. I will assume that it is a white mulberry and will look for white grafting wood.
Using the same species is a good tip.