Landscape design
How to choose maintenance-friendly groundcovers that suppress weeds, retain moisture, and complement larger plants in functional landscape designs.
Practical guidance on selecting resilient groundcovers that curb weed growth, conserve soil moisture, and harmonize with bold shrubs and perennials for durable, low-effort landscapes.
July 18, 2025 - 3 min Read
Groundcovers are the quiet workers of a thoughtful landscape plan. They create a living mulch that reduces weed intrusion, stabilizes soil, and retains moisture when beds face sun and wind. The best options form a dense, shallow root mat that crowds out opportunistic grasses and annual weeds, but still allows air circulation. When choosing, consider climate, soil type, sun exposure, and maintenance goals. Perennial groundcovers with low growth habit are often ideal for edging pathways or filling between stepping stones, while taller varieties can partner with structural plants. Select species with proven drought tolerance and minimal fertilizer needs to extend the interval between care sessions.
A successful groundcover strategy begins with clear purposes: weed suppression, moisture retention, and compatibility with nearby plants. Evaluate root density, leaf texture, and seasonal color shifts to ensure interest year-round without overwhelming adjacent specimens. In hot, dry regions, consider low-growing succulents or drought-tolerant natives that require little irrigation once established. In shaded areas, look for evergreen creepers capable of climbing a lattice or spilling over a raised bed edge. Be mindful of invasiveness and spreading habit; choose cultivars that stay contained and entrain beneficial microhabitats for insects. Proper spacing during installation reduces future crowding and discourages weed seed establishment.
How to match groundcovers with larger plants for structure and flow.
Once you have a shortlist, test groundcovers in situ before committing long-term. Dig small planting pockets that mimic root depth and check drainage, especially where irrigation is planned. Observe how the canopy develops over several weeks after installation, noting any thinning or vigorous spreading. This practical test highlights maintenance realities: how often you need to prune, weed, or divide clumps; how quickly mulch decomposes; and whether the foliage mats sufficiently to suppress weed seedlings. A thoughtful trial helps avoid regrets, such as choosing a plant that loses leaves in winter or that becomes too dominant next to a cherished specimen.
In establishing groundcovers, prepare the soil by removing weeds and loosening the top layer to a comfortable depth. Lightly amend only where necessary to improve texture without encouraging excessive growth. Apply a thin layer of mulch around the plantings to lock in moisture but avoid burying crowns. Water deeply during the first two weeks, then switch to deeper, less frequent soakings that encourage resilient root systems. Label each patch so you can track growth rates and seasonal vigor. With patience, you’ll discover combinations that provide year-round cover, stabilize slopes, and maintain a neat, cohesive aesthetic alongside larger plantings.
Layering groundcovers beneath trees and along pathways for cohesion.
Matching groundcovers with larger plants requires an eye for scale and balance. The idea is to create transitions from the bold statements of shrubs and trees to the gentle, carpet-like effect of ground covers. Place dense mats near the base of taller specimens to catch soil splashes and shade roots, then allow more airy, trailing varieties to spill toward walkways. Consider the color palette and texture contrast—silvery leaves can brighten a shady bed, while deep green mats provide a lush backdrop for flowering perennials. Think about seasonal changes as well; some groundcovers brighten in spring, while others hold quiet, evergreen interest through winter.
Texture is as important as color when pairing groundcovers with larger plants. A mix of fine-leaved and broad-leaved species can reduce glare and add depth, especially under trees with dappled light. Groundcovers with small leaves tend to appear denser, which helps suppress weeds in sun-drenched spaces. In contrast, broader leaves can catch and hold moisture, reducing evaporation where irrigation is spotty. When designing, sketch a rough map of plant heights at maturity and overlay it with a living layer that elongates the visual line from bed edge inward. This layered approach yields a landscape that breathes at ground level while staying cohesive overall.
Practical installation steps to maximize weed suppression and moisture retention.
A practical selection process starts with known maintenance demands. Favor groundcovers that are evergreen in your climate and tolerate a range of soils. Sedums, creeping thyme, and certain vincas often require minimal mowing or trimming and leave little bare soil for weeds to take hold. Choose plants with pest resistance and resilience to heat, cold, and foot traffic if they’ll share space with constantly used paths. For high-traffic zones, select compact varieties that stay put and resist creeping into lawn areas. Always verify growth rate and spreading habit in reputable sources or local trials to avoid future thinning or invasive spread.
In addition to resilience, consider water management. Groundcovers that establish dense, shallow roots help maintain soil moisture by reducing evaporation. Mulch remains crucial; it protects newly planted patches and slows moisture loss without suffocating the crowns. When irrigation is necessary, use drip lines or soaker hoses to deliver water slowly to the root zone rather than overhead spray that can promote disease. A well-chosen groundcover system minimizes irrigation needs over time while contributing to a cool, inviting microclimate that benefits nearby plant communities.
Long-term care and adaptive design for resilient landscapes.
Start by clearing a precise planting outline on top of weed barrier fabric, if appropriate, and mark spacing to prevent crowding. Remove roots from nearby undesirable plants to reduce competition during establishment. Gently loosen soil to improve penetration and ensure a snug fit for each plant’s root ball. When setting seedlings, press soil firmly without compacting it, then water deeply to settle the roots. Regular monitoring during the first growing season helps detect early signs of stress, allowing quick adjustments in watering or pruning. A careful, systematic installation reduces later maintenance needs and reinforces the groundcover’s weed-suppressing ability.
After the first flush of growth, maintain a light annual pruning schedule to keep the groundcovers within their intended footprint. Prune back leggy shoots to encourage denser mats and to avoid overpowering neighboring plants. If some areas show thinning, consider replacing poorer performers with similar, better-adapted species rather than widening the patch. Weeding should focus on any stubborn annual invaders that break through the canopy. Periodic top-dressing with a thin layer of organic mulch can sustain moisture retention and improve soil structure, helping the entire bed stay cohesive and resilient through seasonal changes.
Long-term care hinges on observation, not routine rigidity. Monitor soil moisture, plant vigor, and weed pressure across different seasons. If a groundcover consistently outperforms its neighbors, adjust neighboring beds to harmonize growth rates rather than forcing changes to the favored species. Conversely, if a patch underperforms, reassess sun exposure, irrigation, and drainage, then replace with a better-suited cultivar. A well-designed mix evolves with the landscape, allowing larger plants to anchor, shade, and frame the bed while the groundcovers fill the gaps gracefully. Periodic re-evaluation ensures the plan stays functional and attractive.
Finally, consider native species and local ecologies when selecting groundcovers. Native plants typically support local pollinators and wildlife while requiring fewer resources than non-native varieties. They also tend to perform better in regional soils and weather patterns, reducing maintenance surprises. If you blend natives with a few well-adapted ornamentals, you’ll achieve a robust, low-maintenance framework that stands up to drought, heat, and seasonal shifts. Establishment timelines vary, so plan for extended patience while the system matures. With careful choice, your landscape can maintain moisture, suppress weeds, and showcase larger plant companions in a durable, enduring design.