There are 11 zones of hardiness based on average winter lows
Zone 1 is the coldest and zone 11 is the warmest
Microclimate refers to the climate of an area where sunlight, moisture, and wind can carry from surrounding areas
Exposure refers to the conditions to which plants may be exposed in different areas of a site
Functional considerations of plants include shade, screens, barriers, windbreaks, sound barriers, accent, water filtration, hedges, erosion control, and provide food for wildlife
Xeriscape is a water-efficient landscape
Physical properties to consider include size at maturity, shape, foliage, color, flowers, fruit, and thorns