May 20

Top 10 everlasting perennials

Created by Anna Kapuvari

Using vivid flowers in your garden design is one of the greatest things you can do because they give your borders life and draw bees and butterflies. Our selection consists of the floweriest cultivars that, whether they are grown in a border or a container, will keep you interested in colour throughout time.

  1. Libertia grandiflora

    An indigenous plant species from New Zealand that thrived in London and other parts of the UK. a grass-like perennial that forms clumps and has tall white flowers and berries that last all winter. needs a bright, protected area in order to thrive in the event of a frost.

  2. Salvia nemorosa ‘Caradonna’

    This perennial favorite’s spiky purple blossoms will add spice to any garden setting. Balkan clary will continue to produce new flowers if consistently deadheaded and placed in a sunny area. Part shadow is also acceptable, but it won’t be as active.

  3. Agapanthus africanus

    The African lily is a perennial with summer blooms, although it has year-round foliage. It will survive in the shade but won’t grow any blossoms. It enjoys acidic soil and full sun.

  4. Erysimum ‘Bowles’s Mauve’

    One of our favourite wallflowers, this plant will flower pretty much all year around if you keep pruning back the dead flower heads. It is a bushy, evergreen plant with a wooden base that needs enough of sunlight for its profusion of blossoms. For roof-top containers, it works just fine.

  5. Centranthus ruber

    A Mediterranean species with faintly aromatic flowers is the red valerian. If you allow it, this semi-evergreen plant with a wooden foundation will readily self-seed in your garden. To avoid it getting invasive, trim down the flower-head in late July before they set seeds.

  6. Geranium ‘Rozanne’

    One of the best trailing plants for gardens; great for raised beds made of repurposed brick or wood. It is a perennial that spreads quickly. Its extended flowering season lasts from early summer to late October. It thrives in the majority of soil types and even blooms in partial shade.

  7. Verbena bonariensis

    The Argentine vervain, which can grow up to 2.5 metres tall, is one of the tallest perennials you can buy for a garden. Bees adore its clusters of purple blooms, but you can only enjoy them if you cut this hardy perennial back each year and continue to deadhead it as well.

  8. Alchemilla mollis

    Another excellent ground cover and trailing plant that works great in raised beds. The greatest part of the lady’s mantle is its somewhat hairy, soft-green foliage, which possesses dewetting characteristics and holds on to the water droplets like tiny pearls. It also blooms during the summer with pale yellow flowers.

  9. Nepeta x faassenii

    Although it has wonderful smelling silver-green leaves, this garden cat mint is not the real cat mint and won’t drive your cats or the cats of your neighbours insane. The violet flowers appear during the Summer, and if kept deadheaded will stay on until late Autumn.

  10. Erigeron karvinskianus

    The tenth and final member of this list is perennial, which blooms from early spring through late autumn. It makes a beautiful sunny ground cover and can survive in any type of soil. The Mexican fleabane forms a continuous mat throughout its growing season and contains daisy-like white flower heads. It prefers direct sunlight and cannot thrive in clay soil.

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