Weeds can be a persistent and frustrating problem for gardeners and homeowners alike. One effective strategy to combat this issue is by planting ground covers that not only beautify your garden but also suppress weed growth. Evergreens and perennials are particularly beneficial in this regard due to their longevity and robust growth patterns. In this article, we will explore six recommended evergreen and perennial plants that can help you keep weeds at bay while enhancing the aesthetics of your outdoor space.
1. Juniper (Juniperus spp.)
Junipers are a versatile group of evergreen shrubs that come in various shapes and sizes, making them suitable for different garden settings. Their dense foliage forms a thick mat that prevents light from reaching the soil, thereby inhibiting weed growth.
Benefits:
- Year-Round Coverage: As evergreens, junipers provide continuous coverage throughout the year, maintaining their weed-suppressing properties even in winter.
- Low Maintenance: Junipers require minimal care once established, making them an excellent choice for busy gardeners.
- Drought Tolerance: These plants are highly drought-tolerant, making them suitable for areas with water restrictions.
Popular Varieties:
- Blue Rug Juniper (Juniperus horizontalis ‘Wiltonii’): Known for its low-growing, spreading habit, this variety forms a dense, blue-green carpet.
- Shore Juniper (Juniperus conferta): This variety is ideal for coastal areas and provides excellent erosion control on slopes.
2. Liriope (Liriope muscari)
Liriope, also known as lilyturf, is a hardy perennial that forms dense clumps of grass-like foliage. It is particularly effective at preventing weeds due to its vigorous growth and ability to cover large areas quickly.
Benefits:
- Shade Tolerance: Liriope thrives in both sun and shade, making it versatile for different garden conditions.
- Flowering Interest: In addition to its weed-suppressing foliage, liriope produces attractive spikes of purple or white flowers in late summer.
- Erosion Control: Its dense root system helps stabilize soil and prevent erosion.
Popular Varieties:
- Big Blue Liriope (Liriope muscari ‘Big Blue’): This variety is known for its robust growth and vibrant blue flowers.
- Variegated Liriope (Liriope muscari ‘Variegata’): Featuring striking green and yellow-striped leaves, this variety adds a splash of color to garden borders.
3. Sedum (Sedum spp.)
Sedums, commonly known as stonecrops, are a diverse group of succulent perennials that are excellent for ground cover. Their fleshy leaves and spreading habit make them highly effective at crowding out weeds.
Benefits:
- Drought Resistance: Sedums are exceptionally drought-tolerant, making them ideal for dry, rocky areas.
- Low Growing: Many sedum varieties form low, spreading mats that cover the ground effectively.
- Seasonal Interest: Sedums offer seasonal interest with their colorful foliage and attractive flowers.
Popular Varieties:
- Autumn Joy Sedum (Sedum ‘Autumn Joy’): This variety is known for its upright growth and clusters of pink flowers that bloom in late summer.
- Dragon’s Blood Sedum (Sedum spurium ‘Dragon’s Blood’): With its reddish foliage and deep pink flowers, this variety provides vibrant ground cover.
4. Hellebore (Helleborus spp.)
Hellebores, also known as Lenten roses, are evergreen perennials that thrive in shaded areas. Their large, leathery leaves form a dense canopy that prevents weed seeds from germinating.
Benefits:
- Early Blooming: Hellebores bloom in late winter to early spring, providing early season interest in the garden.
- Shade Loving: These plants are ideal for shady garden spots where weeds can often be problematic.
- Deer Resistant: Hellebores are typically avoided by deer, reducing the risk of plant damage.
Popular Varieties:
- Orientalis Hellebore (Helleborus orientalis): Known for its diverse flower colors and patterns, this variety adds a splash of color to the winter garden.
- Christmas Rose (Helleborus niger): This variety is prized for its pure white flowers that bloom around Christmas.
5. Hosta (Hosta spp.)
Hostas are shade-loving perennials that are renowned for their lush, broad leaves. Their dense foliage effectively covers the ground, suppressing weed growth by blocking light and space.
Benefits:
- Variety of Sizes: Hostas come in a range of sizes, from small varieties suitable for borders to large ones that can dominate a garden bed.
- Ornamental Foliage: The wide variety of leaf colors, shapes, and textures makes hostas highly ornamental.
- Low Maintenance: Once established, hostas require minimal care and are long-lived.
Popular Varieties:
- Blue Angel Hosta (Hosta ‘Blue Angel’): Known for its large, blue-green leaves, this variety is excellent for creating a bold statement in the garden.
- Patriot Hosta (Hosta ‘Patriot’): Featuring striking white-edged leaves, this variety adds a bright contrast to shaded areas.
6. Vinca Minor (Vinca minor)
Vinca minor, also known as periwinkle or creeping myrtle, is a vigorous evergreen ground cover that thrives in a variety of conditions. Its trailing stems and dense foliage create an effective barrier against weeds.
Benefits:
- Versatile: Vinca minor grows well in both sun and shade, making it suitable for various garden settings.
- Erosion Control: Its spreading habit and deep root system help stabilize soil and prevent erosion.
- Attractive Flowers: In addition to its weed-suppressing foliage, vinca minor produces charming blue or purple flowers in spring.
Popular Varieties:
- Common Periwinkle (Vinca minor): This classic variety is known for its glossy green leaves and blue flowers.
- Variegated Periwinkle (Vinca minor ‘Variegata’): Featuring green leaves with white margins, this variety adds visual interest to garden beds.
See Also: How to Use Epsom Salts in Your Garden?
Tips for Planting and Maintaining Weed-Suppressing Plants
Soil Preparation
Proper soil preparation is crucial for the successful establishment of ground cover plants. Ensure the soil is well-drained and amend it with organic matter to improve fertility and structure.
Spacing
When planting weed-suppressing plants, consider their mature size and growth habits. Proper spacing ensures that the plants can spread and cover the ground effectively without overcrowding.
Mulching
Applying a layer of mulch around the plants helps retain moisture, regulate soil temperature, and further suppress weed growth. Organic mulches, such as bark chips or compost, are particularly beneficial.
Watering
Water newly planted ground covers regularly until they are well-established. Once established, many of these plants are drought-tolerant and require minimal watering.
Maintenance
Regular maintenance, such as pruning and dividing, helps keep ground cover plants healthy and vigorous. Remove any weeds that manage to emerge to prevent them from competing with your ground covers.
Conclusion
Incorporating evergreen and perennial ground covers into your garden is an effective and aesthetically pleasing way to combat weeds. Plants like junipers, liriope, sedums, hellebores, hostas, and vinca minor not only provide year-round beauty but also form dense mats that prevent weed growth. By carefully selecting and maintaining these plants, you can enjoy a weed-free garden with minimal effort. Whether you are looking to cover a sunny slope or a shady corner, there is a ground cover plant that can meet your needs and enhance your outdoor space.
