Best Plants & Shrubs for London Ontario Gardens in 2025
London sits in a climate where winters get genuinely cold, so the secret to a garden that looks great with minimal fuss is choosing hardy plants suited to our zone. Pick the right shrubs and perennials and you'll get colour, structure and curb appeal that returns year after year without babysitting. Here are reliable performers for London-area gardens.
Hardy Flowering Shrubs
For dependable colour, it's hard to beat hydrangeas — panicle varieties in particular are tough, cold-hardy and bloom for months. Spirea is another workhorse: compact, easy and covered in flowers, with foliage that colours up in fall. Potentilla blooms all summer and shrugs off cold and poor soil, while weigela brings arching branches of trumpet flowers that pollinators love. These give you a long season of bloom with very little maintenance.
Evergreens for Year-Round Structure
A garden that's bare all winter feels lifeless, so evergreens earn their keep here. Boxwood is the classic choice for tidy, formal edges and small hedges. Cedars (eastern white cedar) make excellent privacy screens and are native and hardy. Compact junipers and dwarf globe spruce add evergreen texture without taking over a small bed. These anchor the garden through our long winters.
Low-Maintenance Perennials
For fill-in colour that returns every year, lean on tough perennials: hostas for shade, daylilies for sun and near-bulletproof reliability, black-eyed Susans and coneflowers for late-summer colour that pollinators adore, and ornamental grasses for movement and winter interest. Sedum is wonderfully drought-tolerant and blooms when much else is fading. Mix a few of these and the bed fills in beautifully with almost no effort.
Tips for Success in London
Right plant, right place is the golden rule — match sun-lovers to sunny spots and shade plants to the north side. Improve heavy clay soil with compost at planting, mulch beds to hold moisture and suppress weeds, and plant in spring or early fall so roots establish before extremes. Group plants with similar water needs together, and don't overcrowd; give shrubs room to reach mature size.
Design It to Last
A great garden is more than a plant list — it's layout, edging, mulch and the bones that hold it together. That's exactly what our landscaping crew does: design and plant beds that suit your light, soil and style, with clean edging and mulch that make everything look finished. Pair it with fresh sod and a tidy stone path and the whole yard transforms.