Top 20 best perennials for (almost) every garden

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Top 20 best perennials for (almost) every garden

Top 20 best perennials for (almost) every garden

Want a sustainable, low-maintenance garden? Then perennials are a must. They return year after year, offer structure and color, and there are beautiful varieties for every location – from evergreen perennials for shade to long-flowering perennials for a sunny border.

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Perennials in flower boxes
Photo: Sarah Cuttle

There are roughly three groups of plants: annuals, biennials, and perennials. Annuals grow and flower for one season and then die. Biennials produce leaves in the first year and flower in the second. But perennials re-emerge every year—and that's why they form the backbone of your garden.

There are significant differences within perennials. Most are herbaceous perennials: they lack woody stems and die back above ground in winter, while their roots remain alive underground. They sprout new leaves in spring. There are also evergreen perennials that retain their leaves. Shrubs and trees are also technically considered perennials, although they have woody stems. Note:

  • Some perennials are short-lived , lasting only two to three years.
  • Other species can remain standing for decades.
  • Not all perennials are as good in our climate: tropical species will not survive our winters.
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A garden with a bench in front of a large window, surrounded by shrubs, trees and potted plants in the shade.
Photo: Sarah Cuttle.

The most important thing is to choose the right plant for the right spot. Here are three things to consider:

  1. Soil type : Sand retains little water, while clay retains a lot.
  2. Sun and shade: Pay close attention to which areas receive continuous sun and which types of shade your garden has.
  3. Shelter: Some plants can tolerate wind , others cannot.

Once you've gathered this information, you can start choosing your plants. There are perennials available for every situation, so do some research beforehand – start on this website, for example. By combining different heights, flowering periods, and colors, you can create a strong, vibrant garden that stays interesting all season long.

Read also These are the 10 best plants for clay soil

To give you a head start, here is a top 20 of perennials that will do well in almost any garden.

Achillea 'Feuerland' (yarrow)
Achillea millefolium 'Feuerland'. Photo: Torie Chugg

Yarrow is an incredibly hardy plant that thrives in both clay and sandy soil. Plant this perennial in a sunny border and you're guaranteed a colorful summer display. The plant initially produces fine, feathery leaves. Then, stems emerge with large, flat umbels consisting of countless tiny flowers. Most yarrow varieties are yellow, but pink, red, and orange varieties also exist.

  • Height x Width: 45-75 cm x 45-60 cm
flowers that bloom in October
Symphyotrichum novi-belgii 'Rosenquarz', Photo: Helga Kluiter

Michaelmas daisies are reliable perennials for late summer and autumn borders. They bear masses of daisy-like flowers on sturdy stems, in brilliant shades of pink, purple, and white. They are also excellent autumn bloomers for late-season pollinators . Give them a sunny spot, and they'll quickly be happy.

Bergenia in bloom
Photo: Jason Ingram

The Bergenia , with its large green leaves, is a hardy perennial and an excellent evergreen groundcover . It thrives in both sun and shade and thrives in any reasonably fertile soil. In late winter and early spring, stems bearing large clusters of pink, white, or purple flowers appear.

  • H x W: 30-45 cm x 45-75 cm
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Crocosmia Lucifer
Crocosmia 'Lucifer'. Photo: Jason Ingram

Crocosmia is a herbaceous perennial plant that grows from bulb-like tubers . It is also known as montbretia – although that name mainly refers to the common species Crocosmia x crocosmiiflora . It can spread considerably and is even considered invasive in England and Wales. But with the cultivated cultivars, you don't have to worry about that. They shine from early to late summer with yellow, orange or red flowers on slender stems with lance-shaped, fresh green leaves. They are ideal for adding height and colour to your borders. Plant them in sun or partial shade and protect them from the worst of the winter cold.

  • H x W: 60-90 cm x 30-40 cm
different colors of larkspur
Delphinium 'Fountain mixed'. Photo: Sarah Cuttle

The long stems oflarkspur with their strikingly beautiful flowers are hard to miss. The flowers open gradually from bottom to top, providing weeks of color. Blue is the primary hue, but white, pink, and purplish varieties are also available. The young stems and leaves are popular with snails, so protect your young plants. Plant larkspur in sun or partial shade.

  • H x W: 60-90 cm x 30-45 cm
cross thistle to sow in February
Eryngium bourgatii 'Picos Blue'. Photo: Jason Ingram

Okay, they sting, but thistles are quite a sight. The tall stems with blue, spherical flower heads and the star-shaped "collar" are also true bee magnets in summer. They prefer a sunny spot in well-drained soil, and they're an ideal plant for gravel gardens . They also dry well.

  • H x W: 45-60 cm x 30-45 cm

Tip!

perennials without maintenance
Euphorbia epithymoides . Photo: Jason Ingram

Euphorbias remain beautiful for a long time thanks to their combination of attractive, architectural foliage and striking flower heads in colors like lime green, yellow, and orange-red. These are actually bracts, not true flowers. This is why they remain beautiful for months instead of weeks. Some varieties retain their leaves and shape well into winter. There are many varieties of Euphorbia available, so there's a suitable one for every situation.

  • H x W: 15-120 cm x 45-120 cm
Geranium 'Rozanne'
Geranium 'Rozanne'. Photo: Jason Ingram

The Geranium family is very large and varied. These plants are perfect for planting at the front of a border, but they're also a good choice for raised beds or as groundcover . Most varieties bloom in summer, but they don't all bloom for the same length of time. Geranium 'Rozanne' is a very popular variety that blooms for months.

By the way, true geraniums shouldn't be confused with the frost-sensitive "geraniums" for summer pots – those are actuallypelargoniums . Geraniums grow best in the sun, but shade isn't a problem for many varieties either. They're also drought-tolerant .

  • H x W: 30-90 cm x 30-90 cm
Read also Do you know the differences between geranium and pelargonium?
perennial: Helleborus orientalis
Helleborus orientalis 'Pink Shades'. Photo: Jason Ingram

Helleborus is a group of winter- and spring-flowering perennials, including the Christmas rose ( Helleborus niger ) and the Lenten rose ( Helleborus orientalis ). The attractive foliage is usually evergreen, and the beautiful flowers range in color from white and green to pink and purple. Many hellebores thrive in shade, although some require some sun. The winter-flowering varieties are particularly beneficial for bees, which emerge early in the year.

  • H x W: 30-50 cm x 30-40 cm
perennials: daylilies
Hemerocallis 'Ruby Spider'. Photo: Torie Chugg

Daylilies have colorful, lily-like trumpet flowers, which grow in clusters on sturdy stems. The individual flowers of Hemerocallis remain open for only one day (hence the name), but the stems are so densely packed with buds that the plant remains beautiful for weeks in summer. The colors range from yellow and orange to red. Plant it in full sun and in fertile, well-drained soil.

  • H x W: 30-60 cm x 45-60 cm
perennials: Heuchera
Heuchera 'Sugar Plum'. Photo: Sarah Cuttle.

Coral bells are beloved for their beautiful foliage colors, which provide year-round ornamental value. Heuchera is available in many stunning colors, including lime green, yellow, purple, and orange. The veins contrast beautifully with these colors. Slender spikes of white flowers appear in summer, but the foliage of this perennial is its greatest attraction. The clumps remain relatively compact, and the plant prefers sun or partial shade.

  • H x W: 30-45 cm x 30-45 cm
Read also columbine nora barlow
Hosta in a pot
Photo: Marsha Arnold

When you think of a foliage plant, you think of Hosta . The foliage colors range from green to blue-green, and variegated forms with white or yellow markings appear. Long flower stems also appear in summer, but you can cut these off if you prefer the plant to focus its energy on foliage. Hostas are true shade plants and prefer moist soil. They're also notorious for being a favorite of snails, making them look more like Swiss cheese plants...

Tip: The blue varieties are more resistant to snails . They also grow well in pots, making it easier to protect them from snail damage.

heavenly key
Hylotelephium spectabile . Photo: Sarah Cuttle, courtesy of Dipley Mill.

If you want to attract bees and butterflies to your garden in late summer, then the orchard ( Hylotelephium spectabile) is a winner. This colorful perennial forms large, flat flower clusters of countless small flowers in shades of pink and red. The foliage on the stems is a beautiful blue-green and fleshy. It loves sun and well-draining soil.

Tall bearded iris Dutch Chocolate
Iris germanica 'Dutch Chocolate'. Photo: Jason Ingram

There are many species and varieties within the Iris genus, so there's something for virtually every garden. Moisture-loving varieties (such as Iris ensata) thrive in boggy soil and along pond edges. Dwarf irises (such as Iris reticulata ) are suitable for rock gardens and raised beds. And the profusely flowering bearded iris ( Iris germanica) prefers full sun in well-drained soil. Most irises bloom in summer.

These snow-white Japanese anemones are beautiful autumn flowers for pollinators
Anemone hybrida 'Honorine Jobert'. Photo: Torie Chugg

Japanese anemones (such as Anemone hupehensis and Anemone hybrida ) are easy and reliable plants for flowers in late summer and early autumn. The plant bears tall stems with saucer-shaped flowers in white or pink. It thrives in sun and partial shade. The plant propagates via rhizomes . If you leave a small piece behind when moving it, there's a good chance a new plant will grow from the root.

Read also flowers that bloom in October
Lupinus 'Masterpiece' flowering
Lupinus 'Masterpiece'. Photo: Torie Chugg

Lupine is a classic cottage garden plant. It's known for its long flower stems, which produce numerous small, colorful flowers in summer. It comes in a wide range of colors, from pink and red to blue, yellow, and white. Young leaves are attractive to snails, so some protection in spring is recommended. Provide lupine with sun and fertile soil.

Read also Lupinus 'Masterpiece' flowering
Bergamot ( Monarda ). Photo: Jason Ingram

Bergamot flowers are exceptionally rich in nectar, so bees and other pollinators flock to this plant. The red or pink flowers of this perennial are also very decorative. Monarda loves full sun and fertile soil. The plants bloom for months, from July to September. Moreover, the flowers are edible .

Poppies come in beautiful colours, such as pink with purple and red with purple
Papaver orientale . Photo: Jason Ingram

Oriental poppies ( Papaver orientale , also called giant poppies) bloom with enormous, showy flowers in spring and early summer. Decorative seed heads follow. The flower colors range from pink and red to white. The fern-like, fresh green foliage appears very early, and the flowers follow in mid-spring. The entire plant then goes dormant and dies back above ground in summer. It grows in any reasonably fertile soil and in sun to partial shade.

perennials in a natural forest garden
Primula vulgaris , Photo: Sarah Cuttle

The stemless primrose ( Primula vulgaris ) heralds spring and is therefore very popular. This native plant starts blooming early – even before the trees have leaves. There are also many other colorful Primula species and varieties available that bloom a little later, such as Primula beesiana and Primula bulleyana .

Pulmonaria angustifolia
Pulmonaria angustifolia . Photo: Jason Ingram

Lungwort ( Pulmonaria ) provides color in spring and is both beautiful and useful. The plant tolerates both shade and sun and forms low, ground-covering clumps that you can plant under shrubs and trees. Bees love the blue, white, or pink flowers . Some Pulmonaria varieties also have beautifully marbled leaves.

The best time to plant perennials is in the fall. The soil is moist and still warm enough for the roots to establish themselves before winter sets in. Spring is the next best time to plant, but make sure your plants get enough water during dry spells. Even moderately hardy plants are best planted out in the spring. This gives them more time to establish themselves before winter.

planting perennials depth

Make sure the soil is loose and weed-free . Dig a planting hole slightly larger than the root ball. Amend the soil if necessary with compost (for sandy soil) or a little extra sand (for clay soil) and water generously after planting. Maintain the recommended planting distance so your plants have enough room to grow.

Most perennials require little maintenance. Remove spent flowers to encourage longer blooms. Water during dry spells and add organic fertilizer or compost in spring. Evergreen perennials often don't need to be cut back; deciduous varieties can be cut back in spring.

divide perennials by splitting them
Divide the plant into pieces.

Many perennials form a single root ball (or clump). You can easily propagate them by dividing them . This is also called division. The principle is simple: dig up the plant in spring or autumn, divide the root ball into several pieces, and replant these pieces. You can discard the oldest part. This keeps the plant healthy and vigorous, and you can fill your garden with more plants for free.

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