In warmer regions this plant can be short-lived, so replant every year or two. Planted at the edge of a path, thymes tickle your toes as you go on your way, releasing a Mediterranean aroma. But it does not like soggy soil. 12 Plants for a Rock Garden - BBC Gardeners' World Magazine It prefers light, somewhat infertile soil with good drainage. The plant is tolerant of poor soil but needs sharp drainage. They bloom March through April in full sun and average soil. It grows to about 2 feet tall and produces tiny flowers that go from pinkish to reddish in the fall. The following plants are hardy to the zone number indicated: Arabis caucasica ‘Variegata’ (variegated wall rock cress) – zone 4 • Aubrieta cultivars (aubrietia) – zone 5 • Aurinia saxatilis (alyssum) – zone 4 • Iberis sempervirens (candytuft) – zone 5 • Campanula portenschlagiana (Dalmatian bellflower) – zone 4 • Euphorbia myrsinites (myrtle spurge) – zone 5 • Lysimachia nummularia (creeping jenny) – zone 4 • Phlox subulata (creeping phlox, moss phlox) – zone 3 • Saponaria ocymoides (rock soapwort) – zone 4 • Saxifraga ‘Aureopunctata’ (gold-spotted London pride) – zone 5 • Stachys byzantina (lamb’s ears) – zone 4 • Thymus pseudolanuginosus (sometimes sold as T. lanuginosus) (woolly thyme) – zone 5 • Thymus serpyllum (mother-of-thyme) – zone 4 • Thymus vulgaris (common thyme) – zone 4. Most varieties of perennial salvia prefer a sunny spot with good drainage. Pothos (Epipremnum aureum) 9 /14 Another super easy houseplant, pothos is a great trailing plant for your shower. David Beaulieu is a garden writer with nearly 20 years experience writing about landscaping and over 10 years experience working in nurseries. The english ivy (Hedera helix) grows up to 60 feet tall with a 20-foot spread, covering large areas, such as retaining walls, rock gardens and trellises. The Axcent™ series of Aubrieta comes in rich, saturated purples and pinks that do an excellent job of softening hardscaping and trailing over walls. Stachys byzantina (formerly S. lanata or S. olympica) spreads gradually and produces fuzzy white stems and large, fuzzy leaves as well. Candytuft, with its showy flowers that bloom in mid-spring, is commonly used in rock gardens or as edging. Blue fescue is an ornamental grass grown for its blue-tinted foliage and yellowish-green flowers. It thrives on sunny slopes and prefers fast drainage. The flowers are held open flat above a long, narrow calyx – a pleasing arrangement known as “salverform”: platter shaped. I’ve seen it growing in a pond in North Vancouver and it grew in full sun in a dry spot at VanDusen Botanical Garden. They often make a great addition to flowerbeds, where they can serve as natural borders. It readily grows in nutrient-poor soil as long as it has good drainage. Once established, columbine is drought-tolerant, making it a suitable rock garden plant. It’s very flat so doesn’t add much textural interest to the garden – best to use it peeking out from low shrubs or perennials, creeping onto a path or trailing from a container or over a wall. Use the plant in a rock garden, herb garden, or even as edging or a low hedge. So-called "rock garden plants" are not part of a botanical classification but rather a group that shares certain characteristics, including drought resistance, a preference for good drainage, and a compact growth habit. Trailing plants make effective ground covers on a difficult-to-plant area or a steep slope, or can be planted where the green foliage can cascade freely over a rock wall. Ajuga is a rapidly spreading, mat-forming ground cover, and it can become invasive under optimal growing conditions. It grows to about 15 cm (6 in.) Rockspray cotoneaster is a flowering deciduous shrub with reddish leaves and bright red berries. SOME OF THE BEST TRAILING PLANTS ROCK SOAPWORT (Saponaria ocymoides) Creates a low mat covered in either pink or white blooms in early summer. An entirely different look is provided by myrtle spurge (Euphorbia myrsinites). FREE | 20 Recipes for Simple Dining Book. Spiked speedwell is a compact perennial flower that's good for rock gardens, foundation plantings, flower beds, borders, and more. Good air circulation and avoiding wet soil are key for the plant to remain healthy. Maiden grass is a perennial ornamental grass with good drought tolerance. Arabis caucasica is a perennial which grows to 9 inches high and spreads to about 24 inches. Which plants can grow in rock walls? The plant grows well in rock gardens, as well as in stone walls or between garden stepping stones. It grows best in zones 4 through 9. The plant is tolerant of heat and drought, though it will die if it does not have good drainage. You cannot change the plants growing on rock walls every season. Hens and Chicks is a mat-forming succulent that produces rosette clusters. These deciduous plants grow 4-6” tall and trail 14-18” long. Common thyme (Thymus vulgaris) is not suitable for use as a trailer, as it grows upright into a little bush. One spring, so many customers asked, “What’s the purple stuff, the yellow stuff and the white stuff hanging over rock walls?” that we made a poster with the query and the threesome. Cold hardy to zone 3 It's popular as a border planting, but its growing requirements also make it a prime candidate for a rock garden. Creeping jenny (Lysimachia nummularia) is an amazingly adaptable plant. Here are some suggestions. As early as March in mild years, purple aubrietia (Aubrieta), yellow alyssum (Aurinia saxatilis) and white candytuft (Iberis sempervirens) burst forth with other spring flowers, announcing another gardening season. Trailing varieties such as Light Blue Basket and Trailing Sapphire will spread over your garden walls and provide a layer of cool color to your landscape. Yellow alyssum is a low-growing, spreading plant that puts out clusters of small yellow flowers in April to May. If the space is shallow, try alpine plants – they are naturally found in rocky spots and will grow well in poor or shallow … Once that blast of color has passed, what’s next for the rock wall or rockery? For me, one of the joys of working in a garden centre was sharing beginning gardeners’ delight at discovering “new” plants—even the most common. Plus, its tolerance for drought and poor soil makes it a good rock garden plant. It can handle some shade, especially in the afternoon, but too much shade can cause the plant to lose its shape. Generally, they can thrive with small root structures and little water or nutrients. But the plant doesn't care for high heat and humidity, so it might need some afternoon shade in warmer climates. Whether spreading out on the ground in the landscape, flowing over the side of a container, or the final spiller in a hanging basket, trailing plants are a must have for gardeners! The beauty of a well-planned rock garden is the rocks and plants work together to elevate each other's impact. Learn tips for creating your most beautiful (and bountiful) garden ever. Woody Mediterranean herbs are a good choice, like lavender and rosemary. 1. This makes for an almost instantly completed xeric garden project. Plants in crevices will soften the appearance of the stone. Evergreens like ivy and creeping Jenny will trail down the wall too. Add stones to a slope for erosion control, creating planting pockets as you go. It blooms for most of the summer, adding appeal to borders, gardens, and containers. It prefers a well-draining sandy or humusy soil and can handle light shade. It's adaptable to many growing conditions, including sandy, rocky, and clay soils. Creeping phlox or other trailing plants add an interesting "waterfall" effect to your wall. It is the best one for cooking, though, so worth a spot in the garden. I love to see flowering plants trailing over dry stone walls. Black-eyed Susan is a daisy-like perennial flower. Its toothed, heart-shaped leaves are evergreen. Creeping phlox brings soft pastel colors to the spring garden. The plant is low-growing and can thrive in poor rocky or sandy soil, though it must have good drainage. Plants with a trailing habit, such as ivy leaved toadflax, are designed for cascading down rock faces or scree slopes and can thrive in a wall. Trailing, weeping or vining plants can be utilized to cover a rock retaining wall with lush foliage and bright flowers. Six hills giant is a perfect rock garden plant, as it craves well-draining soil and tolerates dry areas. It grows well in sandy or gravelly soil and can tolerate heat and drought better than some of the other phlox species. The striking feature of woolly lamb’s ears is just that: its wool! Apr 13, 2012 - I spent a week in Germany in early May visiting family and appreciating the spring blooms. Another example of the cascading effect of grasses–this time Deer Grass (Muhlenbergia) drifting down over a low river rock retaining wall at the edge of a driveway. With more than 30 years experience in horticulture in B.C. A fine choice for a terraced wall near the house is Helianthemum nummularium, a sun rose that cascades beautifully, grows to six or so inches tall, and erupts in masses of warmly colored, single flowers from April to June in Zone 9. Avoid planting ajuga next to lawns where it can spread. The low-growing form and fine texture creates a sea of spring color, ideal planted as a perennial border or flanking a garden path. It will grow in crevices of a wall with a wonderful effect. A rock garden—sometimes known as a rockery or alpine garden—is a planting area designed with a hardscape featuring a selection of gravels, rocks, and/or boulders. The coneflower is a daisy-like perennial that is hardy and long-blooming. With its aromatic foliage and pretty blooms, lavender is popular and versatile in the garden. For a shady spot, slip in some charming variegated London pride (Saxifraga ‘Aureopunctata’). 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