A clear difference in HFCWO devices. Since therapies can be effective only when patients comply with them, the SmartVestÂ® Airway Clearance System from Electromed stands apart among high frequency chest wall oscillation (HFCWO) devices.
The 2012 USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. The map is based on the average annual minimum winter temperature, divided into 10-degree F zones.
The USDA Plant Hardiness Zone Map is a valuable agricultural and horticultural reference. Often we are asked by PLANTS users about the USDA Plant Hardiness Zone Map, but neither PLANTS/ NPDT, nor the USDA NRCS as a whole, are responsible for this map.