TL;DR
Get garden gear delivered free with Prime
- Fast, free delivery on millions of items
- Prime Video, Amazon Music and more included
- Member-only deals all year
Amateur Gardening published a list of seven plants recommended by garden designer Fi Boyle for covering and adding interest to sloping beds. Her selections include hardy ground covers, flowering plants and drought-tolerant rosemary, but Boyle says gardeners should match plants to their site’s light and soil.
Garden designer Fi Boyle has recommended seven plants for adding colour and ground cover to sloping gardens, in a report published Nov. 8 by Amateur Gardening. The list includes options for different light and soil conditions, from dry-shade-tolerant geranium to sun-loving Mexican fleabane, as Boyle says successful choices depend on matching plants to the specific site.
Boyle, of Fi Boyle Garden Design, recommends ground-cover plants to disguise bare patches of soil on slopes. Her selections are Geranium macrorrhizum, lesser periwinkle (Vinca minor), Ajuga reptans, ground-cover roses, Mexican fleabane (Erigeron karvinskianus), prostrate rosemary (Rosmarinus ‘Prostratus’) and Sedum spurium. The plants vary in their preferred conditions, spread and flowering periods.
For more challenging sites, the report describes Geranium macrorrhizum as tolerant of dry shade and a range of soil types. It forms a semi-evergreen mat, with fuchsia-pink flowers in late spring to summer and foliage colour in autumn. Lesser periwinkle is another mat-former, evergreen and potentially in flower from spring into September in suitable conditions; the report says it needs well-drained soil and flowers more freely in sunnier spots.
Other choices have more specific needs. Ajuga reptans suits moist clay or loam and partial shade or full sun, while ground-cover roses need moisture despite tolerating poor soil and exposed sites. Mexican fleabane prefers full sun and well-drained soil, and can self-seed. Prostrate rosemary is described as fragrant and fairly drought-resistant, while Sedum spurium is a sun-loving, well-drained-soil option with summer flowers and foliage interest through the rest of the year.
Matching Plants to Sloping Sites
A slope can leave patches of exposed soil that are difficult to cover with plants unsuited to the site. Boyle’s list gives gardeners several different ground-cover approaches, rather than suggesting one plant will work everywhere. Evergreen or semi-evergreen choices can provide foliage beyond their flowering periods, while seasonal flowers add colour at different times of year.
The recommendations also highlight practical trade-offs: ground covers can spread across bare areas, but some may compete with neighbouring plants; flowering plants may need added moisture; and sun exposure can affect bloom. The list offers starting points, not a guarantee of performance. Gardeners still need to account for drainage, soil and local conditions before planting.
Products Worth Considering
Husqvarna Automower 550 Commercial Robotic Lawn Mower
Orbit B-hyve XD 4-Port Smart Hose Watering Timer with Wi-Fi Hub
EGO Power+ SNT2420 24-Inch Two-Stage Self-Propelled Snow Blower (Battery and Charger Not Included)
As an affiliate, we earn on qualifying purchases.
Seven Plants, Different Conditions
The report frames plant selection around the aspect and soil of the individual slope. Boyle says conditions matter because a poorly matched plant may fail to thrive and require more care. The seven suggestions therefore cover a range: dry shade, partial shade, full sun, moist loam or clay, and well-drained soils including chalk, loam and sand.
The report includes practical care notes alongside the plant descriptions. These include deadheading geraniums, watering Ajuga during drought, mulching roses to retain moisture, and cutting back Sedum flowers after they fade. It also suggests dividing Ajuga every few years and lifting and dividing Sedum in spring. These are recommendations in the gardening report, rather than evidence of a controlled comparison among the plants.
“What works depends so much on the aspect and soil. The key is to match the plant to its surroundings, otherwise it won’t thrive and will need a lot of care.”
— Fi Boyle, Fi Boyle Garden Design, as quoted by Amateur Gardening
Site Conditions Shape Results
The report does not identify a single best plant for every slope or provide trial data comparing how well the seven options establish on different banks. Results will depend on local conditions, including soil drainage, exposure and moisture. It also does not specify a universal planting layout, spacing plan or maintenance schedule for a particular garden.
Some descriptions use broad terms such as “all soil types,” while also setting conditions—for example, lesser periwinkle is specified as needing well-drained soil. Gardeners should check the requirements of the plant and variety they buy, especially where slope conditions vary across one site.
Assess the Slope Before Planting
The practical next step for gardeners is to assess the slope’s sunlight, soil type and drainage, then choose plants suited to those conditions. Consider how much moisture the area retains and how far a mat-forming plant may spread before placing it near other ground covers. The report does not announce a follow-up study or a later milestone; its recommendations are intended as planting guidance.
Key Questions
Which plants does Fi Boyle recommend for slopes?
Her seven choices are Geranium macrorrhizum, lesser periwinkle, Ajuga reptans, ground-cover roses, Mexican fleabane, prostrate rosemary and Sedum spurium.
Which listed plants suit dry or sunny conditions?
The report describes Geranium macrorrhizum as tolerant of dry shade and prostrate rosemary as fairly drought-resistant. Mexican fleabane and Sedum spurium prefer full sun and well-drained soil; the right choice still depends on the garden’s specific conditions.
What should gardeners check before planting a slope?
Boyle advises checking the site’s aspect and soil. Drainage and moisture also matter: for example, the report says ground-cover roses need some moisture and lesser periwinkle should be planted in well-drained soil.
Do the seven plants flower throughout the year?
No. Their flowering periods differ. The report gives seasonal windows including late spring to summer for geranium, May and June for Ajuga, summer to autumn for ground-cover roses, and summer for Sedum. Some provide foliage interest outside their flowering season.
Source: amateurgardening.com
