The best plants for Colorado Springs landscaping are drought-tolerant species adapted to alkaline clay soil, intense UV, and dramatic temperature swings. Our USDA Zone 5b climate (some lower areas near downtown qualify as Zone 6a) presents unique challenges that eliminate many common nursery plants while rewarding gardeners who select species evolved for these exact conditions.
Colorado Springs sits at 6,035 feet elevation with just 15 inches of annual rainfall, 245 sunny days per year, soil pH ranging from 7.5 to 8.2, heavy clay content, chinook wind gusts exceeding 60 mph, and late spring frosts through May 10. Plants that thrive here need deep root systems, UV tolerance, and the ability to handle rapid 50-degree temperature swings between day and night.
Understanding Colorado Springs Growing Conditions
Before selecting plants, understanding what makes our growing environment unique helps explain why certain species succeed and others fail repeatedly.
Alkaline Clay Soil (pH 7.5 - 8.2)
Most of El Paso County has alkaline clay soil with pH between 7.5 and 8.2. This high pH locks up iron and manganese, causing chlorosis (yellowing leaves) in acid-loving plants. The heavy clay component retains moisture near the surface but drains poorly below 12 inches, creating a paradox: plants can drown in spring while dying of drought in summer. Amending soil with compost helps, but selecting naturally alkaline-tolerant species is the more sustainable approach.
Low Rainfall and Supplemental Irrigation
With only 15 inches of annual precipitation (much of it as snow), most landscape plants need supplemental irrigation during establishment (the first 2-3 growing seasons). Once established, properly selected species can survive on natural rainfall alone or with minimal deep watering during extended dry periods. This is the core principle behind xeriscaping — choosing plants matched to available moisture rather than fighting the climate with excessive irrigation.
Intense UV at Altitude
UV radiation at 6,035 feet is approximately 25% stronger than at sea level. This benefits sun-loving plants but can scorch species with thin leaves or those adapted to filtered forest light. Plants native to mountain and high-plains environments have evolved UV-protective compounds in their leaf tissue — a built-in sunscreen that nursery plants from lower elevations lack.
Wind Exposure
Chinook winds regularly exceed 60 mph in winter and early spring, with sustained 30-40 mph winds common year-round. Wind causes desiccation (moisture loss through leaves faster than roots can replace it), physical breakage of weak wood, and root failure in shallow-rooted species. Selecting plants with flexible wood, deep taproots, or naturally low profiles prevents wind damage.
Best Trees for Colorado Springs
Colorado Blue Spruce (Picea pungens)
The state tree of Colorado thrives naturally throughout the Pikes Peak region. Blue Spruce tolerates alkaline soil, handles extreme cold (hardy to -40F), and its dense pyramid form withstands heavy snow loads and high winds. Grows 30-60 feet tall at maturity. Best planted in fall or early spring. Space 15-20 feet from structures.
Bristlecone Pine (Pinus aristata)
Native to the mountains above Colorado Springs, Bristlecone Pine is among the longest-lived tree species on Earth. It grows slowly (6-12 inches per year) but develops extraordinary character with age — twisted trunks, dense needles, and architectural branching. Extremely drought tolerant once established and thrives in poor, rocky, alkaline soil. Reaches 20-40 feet at maturity over decades.
Gambel Oak (Quercus gambelii)
The only native oak in the Colorado Springs area, Gambel Oak forms multi-stemmed thickets or single-trunk trees depending on conditions. Extremely drought tolerant with a deep taproot system that anchors it in wind. Provides brilliant orange-red fall color uncommon in our region. Grows 15-30 feet tall and spreads by root suckers — excellent for erosion control on slopes but plant where spreading is acceptable.
Honeylocust (Gleditsia triacanthos var. inermis)
The thornless Honeylocust is one of the best shade trees for Colorado Springs front yards. Its fine, compound leaves create filtered shade that allows grass to grow beneath (unlike dense maples that kill grass). Tolerates alkaline soil, drought, and urban conditions. Grows 30-50 feet tall with a wide, spreading canopy. Fall color is golden yellow. Choose cultivars like "Shademaster" or "Sunburst" for consistent form.
Best Shrubs for Colorado Springs
Apache Plume (Fallugia paradoxa)
A stunning native shrub with white rose-like flowers in spring followed by feathery pink seed plumes that persist into fall. Grows 3-5 feet tall, extremely drought tolerant once established (zero supplemental water needed after year 2). Thrives in full sun and alkaline soil. Semi-evergreen in mild winters. One of the best choices for xeriscape foundation plantings.
Mountain Mahogany (Cercocarpus montanus)
A tough, semi-evergreen native shrub that grows 6-10 feet tall with small, leathery leaves and twisted, feathery seed tails. Virtually indestructible in Colorado Springs conditions — tolerates extreme drought, poor rocky soil, alkaline pH, wind, and temperature extremes. Excellent as a privacy screen, windbreak, or naturalized slope planting. Fixes nitrogen in the soil, improving conditions for neighboring plants.
Rabbitbrush (Ericameria nauseosa)
A native shrub that explodes with golden-yellow flowers in September and October — filling the gap when most other plants have finished blooming. Grows 2-4 feet tall with silvery-gray foliage that provides year-round texture. Zero supplemental water needed after establishment. Thrives in the poorest, driest soils and full sun. An essential pollinator plant for late-season bees and butterflies.
Fernbush (Chamaebatiaria millefolium)
Also called Desert Sweet, Fernbush produces fern-like aromatic foliage and clusters of white flowers in midsummer. Grows 3-6 feet tall and tolerates extreme heat, drought, and alkaline conditions. The fine-textured foliage adds a softer element to rock landscapes and pairs beautifully with boulders and gravel mulch. Semi-evergreen with a pleasant fragrance when brushed.
Best Perennials for Colorado Springs
Penstemon (Penstemon species)
Colorado has more native Penstemon species than any other state. These tubular-flowered perennials bloom in shades of blue, purple, red, and pink from May through July. Rocky Mountain Penstemon (P. strictus) and Palmer's Penstemon (P. palmeri) are particularly well-suited to Colorado Springs. They demand excellent drainage and lean soil — avoid overwatering and never mulch with wood chips directly against the crown.
Blanket Flower (Gaillardia aristata)
A cheerful, long-blooming perennial with red and yellow daisy-like flowers from June through September. Grows 12-24 inches tall and tolerates poor soil, full sun, and drought. Blanket Flower actually performs worse in rich, moist soil — it becomes leggy and short-lived. In Colorado Springs' lean, well-drained conditions it thrives with minimal care and self-seeds freely.
Russian Sage (Perovskia atriplicifolia)
Not actually a sage but a member of the mint family, Russian Sage produces airy spikes of lavender-blue flowers from July through October above silvery, aromatic foliage. Grows 3-4 feet tall and wide. Extremely drought and heat tolerant, thrives in alkaline soil, and is virtually pest-free. One of the most reliable perennials for Colorado Springs — plant in full sun with well-drained soil and leave it alone.
Ice Plant (Delosperma cooperi)
A low-growing succulent groundcover (2-4 inches tall) that produces brilliant magenta-pink flowers from June through fall. Hardy to Zone 5 and tolerates the alkaline, well-drained soils of Colorado Springs. Excellent for rock walls, slopes, borders, and anywhere you need a tough, spreading groundcover that handles heat and drought. Dies back in winter but returns reliably each spring.
Purple Coneflower (Echinacea purpurea)
A tough, native prairie perennial with distinctive pink-purple daisy flowers that bloom June through August. Grows 2-4 feet tall with a deep taproot that makes it extremely drought tolerant once established. Attracts butterflies and goldfinches (which eat the seeds in fall). Performs best in full sun with well-drained soil — avoid heavy clay without amendment. Cut back in spring, not fall, as seed heads provide winter interest and bird food.
Best Ornamental Grasses for Colorado Springs
Blue Avena Grass (Helictotrichon sempervirens)
A compact, clump-forming grass with striking steel-blue foliage that maintains color year-round. Grows 2-3 feet tall with arching seed heads in summer. Tolerates drought, full sun, and alkaline soil. Provides structure and winter interest when most perennials have died back. Plant as specimens, in groups of three, or as accents among boulders in rock landscapes.
Karl Foerster Feather Reed Grass (Calamagrostis x acutiflora)
A narrow, upright grass that grows 4-5 feet tall including seed heads. Blooms in June with feathery plumes that turn golden in fall and persist through winter. One of the earliest grasses to green up in spring. Tolerates a wide range of soils including clay, handles moderate drought, and maintains its upright form in wind without flopping. Excellent as a vertical accent, privacy screen, or backdrop to lower plantings.
Prairie Dropseed (Sporobolus heterolepis)
A fine-textured native grass that forms neat, arching mounds 2-3 feet tall and wide. Produces a distinctive fragrance (often described as buttered popcorn or cilantro) when blooming in late summer. Turns golden-orange in fall with excellent winter structure. Extremely drought tolerant and long-lived (individual plants can persist 50+ years). Slow to establish but virtually maintenance-free once mature.
Plants to Avoid in Colorado Springs
Some commonly sold nursery plants consistently fail in Colorado Springs. Save yourself the frustration and expense by avoiding:
- Azaleas and Rhododendrons: Require acidic soil (pH 4.5-6.0) — impossible to maintain long-term in our pH 7.5-8.2 clay without constant amendment.
- Japanese Maples: Cannot handle our wind, UV intensity, alkaline soil, or late spring frosts. They desiccate in winter chinooks and burn in summer sun at altitude.
- Boxwood (in exposed locations): While some varieties survive in protected microclimates, boxwood suffers severe winter burn from chinook winds and struggles with our alkaline pH.
- Weeping Willows: Require consistent moisture that our 15 inches of rainfall cannot provide without massive irrigation. Their weak wood also snaps in high winds.
- Impatiens and Begonias (as perennials): Sold as annuals here but some homeowners expect them to return. They are frost-killed at 32F and have zero chance of overwintering in Zone 5b.
- Silver Maples: Weak wood breaks in wind, shallow roots crack sidewalks and invade sewer lines, and they require more water than our climate naturally provides.
- English Ivy: Cannot handle our freeze-thaw cycles, desiccating winds, or intense UV. It browns and dies every winter, never achieving the dense coverage seen in mild climates.
Planting Tips for Colorado Springs Success
- Plant in fall: September and October planting allows roots to establish during cool, moist conditions before winter. Spring planting works too but requires more diligent watering through the first summer.
- Amend at planting, not the whole bed: Mix compost 50/50 with native soil in the planting hole. Amending entire beds creates a "bathtub effect" where amended soil holds water surrounded by impervious clay.
- Mulch with rock or gravel: Wood mulch retains moisture against crowns and promotes rot in our climate. Rock mulch (1-2 inches of pea gravel or decomposed granite) keeps crowns dry while moderating soil temperature.
- Water deeply, infrequently: Deep watering (12+ inches of penetration) once per week encourages deep root growth. Frequent shallow watering creates shallow roots vulnerable to drought and frost heave.
- Source locally: Plants grown at local nurseries along the Front Range are already acclimated to altitude, UV, and soil conditions. Big-box store plants shipped from low-elevation greenhouses often struggle to adapt.
Professional Plant Selection and Installation
CN Landscaping sources all plant material from local Front Range nurseries and selects species based on your specific property conditions — sun exposure, soil type, wind patterns, and overall design goals. We know which microclimates exist on north-facing versus south-facing slopes, which areas hold moisture and which drain fast, and which spots get hammered by winter winds.
Our tree and shrub planting services include proper hole preparation, soil amendment, root ball handling, staking (for trees), and a watering schedule tailored to each plant's establishment needs. We also offer drip irrigation installation for landscape beds — delivering water directly to root zones without wasting a drop on bare soil or pavement.
Whether you are starting a new xeriscape from scratch or replacing plants that have failed in your existing landscape, we will create a plant palette that looks beautiful, requires minimal water, and actually thrives in Colorado Springs conditions for decades.
Call (719) 460-5685 or request a free consultation online to discuss your landscape planting project.