Assertion: aspen's problem | /r/HasProperty | numerous
Facets:
Source sentences:
text: Aspen are prone to numerous problems.
text: The dark green summer foliage changes to yellow in the fall, but despite the attractive color, the quaking aspen presents numerous problems as a landscape tree, according to the University of Connecticut horticulture department, where it presents a hazard to sidewalks and sewers, sends up frequent root suckers and only lives briefly.