Assertion: blackberry's drainage | /r/HasProperty | good
Facets:
Source sentences:
text: Blackberries grow best in sandy soil; however, they can be grown in soils that are at least one foot deep, have good drainage, and have a range of pH 4.5 to pH 7.5.
text: Otherwise, they can be grown in soils that are at least one foot deep, have good drainage, and have a pH between 4.5 and 7.5.
text: Select a planting site for the Navajo blackberries that has full sun, good drainage and deep soil, rich in organic matter.