Hilly areas call for innovative landscaping. A natural stone retaining wall is a practical choice, and can be a very attractive asset for landscaping in Denver.
Watering can be timed to let every level of a slope drink in the moisture it needs, and aeration will benefit saturation.
If your slope is low-grade, planting grassey fescue may be the simple choice, but steeper slopes will need plants that grow well on an incline. Experienced experts at landscaping in Denver can suggest several species for that purpose.