#89 Stone (Crushed Granite) spec-aggregate The proportions are tuned for

The proportions are tuned for raised-bed vegetable gardening — roughly 50% loam

How Riverbed 1

or our garden soil mix when you want a ready-to-plant blend instead of building it yourself

½" is the more refined

gradually — typically 1-2% nitrogen by weight

#89 Stone (Crushed Granite) spec-aggregate The proportions are tuned for#89 Stone (Crushed Granite) The Small Format Spec Stone for Paver Joints & Permeable Bases #89 Stone is the " top crushed granite that contractors specify by name for permeable paver joints, walkway finishes, and tight pack drainage layers. Native Boston area granite, angular, washed, with a tight ASTM C33 AASHTO M43 No. 89 gradation small enough to lock pavers, large enough to drain. If a permeable pavement detail calls for "#89 joint stone," this is