Tropical Fruit > Tropical Fruit Discussion

mulberry invasive roots ?

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macguyver:
Hi all, I am new to mulberries and have eight varieties. I’ve heard that their roots can be invasive, with some reports claiming they can spread up to 25 feet. Does this apply across the board? I have a Bryce World’s Best, which is currently underperforming, but it is supposedly a good rootstock. Given that it is supposed to be a more compact variety, how far should I expect its roots to spread?

Thanks all,

K-Rimes:
"Dwarf" mulberries will still end up being 20' tall. Ask me how I know. Due it under performing, the roots probably aren't all that far out, as wide as the canopy is a general rule. If you have anything in that area like concrete, other trees, drainage or water pipes that you don't want a bunch of roots in, I would pull the tree. Even if underperforming for now, mulberries tend to correct over time and become vigorous quickly.

BP:
Gary from Laguna hills Nursery in his latest lecture on mulberry says hes had some close to his house for many years and had no problem with roots and foundations. He doesnt think its a real problem. I have no experience with it

SoCalGardenNut:
I have mine in container and also lifted off the ground, so they cant really put their roots down for a reason.

Coconut Cream:
I wouldn't take any chances with mulberry. The way it grows above the ground is outrageously impressive, I can't imagine what the roots are trying to do in support of 30+ feet of vertical growth in  a year. Even with pruning above ground, these trees are very hard to contain. Keep it far away from the house or anything sensitive underground. I keep them on a short life cycle of about 3-4 years and continuously replant.

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