Denver xeriscape native plants offer homeowners a powerful way to cut water bills while creating a stunning, low-maintenance landscape that truly belongs in Colorado. With Denver receiving only 14–15 inches of rainfall per year and facing increasing drought restrictions from Denver Water, choosing the right plants is more important than ever.
Why Native Plants Are the Foundation of Denver Xeriscape
Native plants have evolved over thousands of years to thrive in Colorado’s specific conditions — alkaline clay soils, hot dry summers, cold winters, late spring frosts, and intense UV radiation at altitude. Unlike non-native plants that struggle to adapt, natives are built for Denver. Once established (typically 1–2 growing seasons), they require minimal supplemental irrigation and no fertilizers or pesticides.
Top Native Grasses for Denver Xeriscape
Blue Grama Grass (Bouteloua gracilis)
Blue grama is Colorado’s state grass — and for good reason. This warm-season native grass grows 12–18 inches tall, turns a golden straw color in fall, and requires very little water once established. It’s excellent as a lawn alternative and thrives across Denver, Aurora, Lakewood, and Highlands Ranch.
Buffalo Grass (Bouteloua dactyloides)
Buffalo grass is one of the most drought-tolerant turf options available. It forms a soft, low-growing mat that rarely exceeds 6 inches, reducing mowing needs dramatically. It performs best in full sun and well-drained soils — perfect for Denver’s Piedmont climate.
Prairie Dropseed (Sporobolus heterolepis)
Prairie dropseed forms elegant, fine-textured clumps that turn orange-gold in autumn. It’s a beautiful border grass that works well alongside ornamental boulders and pathways in xeriscape designs.
Best Native Perennials for Denver Landscapes
Purple Coneflower (Echinacea purpurea)
One of the most recognizable native wildflowers, purple coneflower produces bold pink-purple blooms from June through September. It attracts pollinators and is extremely drought-tolerant once established.
Black-Eyed Susan (Rudbeckia hirta)
Black-eyed Susans produce bright golden-yellow daisy-like blooms from summer through fall. They self-seed readily, naturalizing over time to fill in xeriscape beds without replanting.
Penstemon (Multiple Species)
Colorado is home to dozens of native penstemon species. Rocky Mountain penstemon (Penstemon strictus) grows 2–3 feet tall with brilliant blue-purple spires. It thrives in full sun and rocky or clay soils — making it ideal throughout the Denver metro.
Catmint (Nepeta × faassenii)
While technically not a Colorado native, catmint is a xeriscape workhorse that behaves like a native. It forms a dense, 18-inch mounding mass of silvery-blue flowers from spring through fall, suppresses weeds, and requires almost no supplemental water after establishment.
Native Shrubs for Structure and Year-Round Interest
Apache Plume (Fallugia paradoxa)
Apache plume is a Colorado native shrub with white rose-like flowers followed by dramatic feathery pink seed heads that persist through fall. It reaches 4–6 feet tall and is virtually maintenance-free once established.
Three-Leaf Sumac (Rhus trilobata)
Three-leaf sumac delivers spectacular fall foliage in shades of red, orange, and yellow. As a native shrub, it tolerates poor soils, drought, and the harsh Front Range winds beautifully.
How to Design a Native Xeriscape in Denver
A well-designed native xeriscape layers plants by their water needs (hydrozoning): high-water plants near downspouts or low points, medium-water plants in mid-beds, and low-water natives in sun-exposed areas. Add 3–4 inches of wood chip mulch throughout to retain moisture and suppress weeds. Pair with drip irrigation for the first 1–2 seasons during establishment.
Frequently Asked Questions
Do native plants need any watering in Denver?
During the establishment period (first 1–2 years), native plants do require supplemental watering — typically 1–2 times per week in summer. Once established, most Colorado natives survive on Denver’s natural rainfall with only occasional supplemental irrigation during extreme drought.
Can I replace my entire lawn with native plants?
Yes — and many Denver homeowners are doing exactly that. Denver Water’s xeriscape rebate program offers financial incentives for replacing irrigated turf with water-wise plantings. A full xeriscape conversion can reduce outdoor water use by 50–70%.
Ready to design a stunning, water-smart landscape with Colorado native plants? Contact Supreme Landscapers Denver for a free xeriscape design consultation. We serve Denver, Aurora, Lakewood, Thornton, Highlands Ranch, Arvada, Littleton, and Centennial.
