19 Temperate Flowering Perennials That Will Grow Anywhere

The reason I prefer perennials to annuals isn’t that I’m cheap, but because they give me a better return on my investment.

In contrast to annuals, which need to be planted every year and then die at the end of the season, I only need to plant a perennial once and it will bring me joy for many years to come! That’s a great deal for the garden!

While some argue that varying things up each year creates interesting displays, I prefer flora that returns larger each year and merges into multilayered tapestries of colour and texture.

Among the best perennials, we’ve highlighted their qualities and noted how they can be used to create a cohesive landscape design. These beauties are in store for you!

Among the best perennials, we’ve highlighted their qualities and noted how they can be used to create a cohesive landscape design. These beauties are in store for you!

Some of the easiest flowering perennials to grow also have exceptional qualities that make them essential in any garden. And they can be grown almost anywhere in the United States or the United Kingdom.

1. Balloon Flower

When grown in organically rich, well-drained soil, the balloon flower (Platycodon) is a particularly simple plant to grow.

Choose single- or double-petal cultivars with blue, white, purple, or pink blossoms. Silvery green stems can reach two feet in height, with balloon-shaped buds that open into starry blossoms in July and August.

Incorporating balloon flowers into a landscape creates a pleasing repetition that draws the eye along the path.

Blue also enhances the vibrancy of other hues by bringing out their best qualities. For a patriotic July display, I like to combine blue balloon flowers with red bee balm and white Montauk daisies.

In addition, white-petaled varieties play an important role. Interplanting white flowers into a garden with a wide range of colours can help bring the whole thing together and make it even more beautiful.

In Zones 3 to 8, plant seeds or rootstock in the spring. Deadheading can help to extend the blooming period if desired.

2. Black-Eyed Susan

In full sun and organically rich soil, the black-eyed Susan (Rudbeckia) thrives, but it can also tolerate average soil and even drought.

The native Rudbeckia hirta, with its yellow-orange petals and dark brown centres, to hybrids in shades of deep orange and red are among the many varieties.

During the months of June through September, this perennial classic blooms on stalks up to three feet tall.

Black-eyed Color saturation is maintained throughout the summer months by Susan. Deadhead it, or be prepared for seedlings to sprout in the spring of next year.

A bonus if you have a lot of room to fill. In the absence of a native variety, your seedlings may not be able to reproduce the disease resistance of their ancestors.

For a unique combination of medium-height plants with similar sun and soil requirements, alternate black-eyed Susan, Montauk daisy, and coneflower.

With ground covers in front and tall, structural elements such as giant alliums in the back, place it in the middle of your borders and flower beds. Zones 3 to 9: Early spring is the best time to start seeds or plants.

3. Blazing Star

The native wildflower blazing star (Liatris spicata) attracts pollinators to the garden. Moist, organically rich, well-drained soil is its preferred habitat.

Four-foot spikes laden with pink, purple, or white blossoms are common.

From July to September, this bold, slender design commands attention. It’s also great for vases because of how long it lasts and how much it blooms.

If you’re looking for a burst of vertical drama, place the blazing star in the middle of the plant or at the back of the bed or border.

In zones 3 to 8, you can plant seeds or plants in the spring or fall. As needed, divide the work over a period of time.

4. Bugleweed

It’s a fast-growing evergreen ground cover for sunny to partially shady locations, with average to moist, well-drained soil.

There are a wide variety of colours to choose from and a height of about six inches for the flower spikes.

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If you want a subtle pop of colour from May to June, plant it right over your daffodils and hyacinths! It’s great for walkways and other hard-to-grow areas of your yard.

In addition to its year-round interest and weed suppression, Ajuga has a number of other advantages.

Zones 3 to 10: Early spring is the best time to start seeds or plants.

5. Clematis

Non-invasive flowering vine Clematis thrives in moist, organically rich and well-drained soil in full sun to part shade.

Some of the spring and summer flowers are fragrant.

Swirling vines of velvety reds and whites strewn with showy, large blossoms are a sight to behold.

As “window dressing” for the garden, clematis is an excellent choice. It can be used to create a barrier of privacy by being trained up and over lattice structures like arbours and fences.

Anywhere you want an abundance of blooms, train this plant up a lamppost, over a wall, or anywhere else. Plant a foundation planting and install a decorative trellis to liven up that drab, windowless garage wall.

Seasonal planting of rootstock When a plant is well-established, only prune varieties that don’t send up new shoots on old wood during the first year or two after planting.

6. Coneflower

In my family’s garden, coneflower (echinacea) is a must-have. A well-drained, sandy soil rich in organic matter is ideal for this plant. There are many cultivars of the purple coneflower (Echinacea purpurea) that outperform the more common yellow and orange hybrids in terms of flower power.

Coneflowers have been prized for centuries for their medicinal properties, and their seed heads attract songbirds like goldfinches.

The key feature of this plant, which stands about three feet tall, is its ability to maintain a consistent, long-lasting shade of mid-toned color. It looks particularly lovely when planted alongside other flowers from the same soil culture, such as black-eyed Susan.

Mixed beds, borders, or single-plant drifts can be sown in Zones 3 to 9.

If you’d rather transplant live plants than start from seed, that’s fine with you. Take a look at Nature Hills Nursery’s three packs of live plants in 2-inch pots or #1 containers.

7. Cranesbill Geranium

In full sun, Cranesbill geranium, or hardy geranium, is a mounding species that thrives in well-drained soil.

It’s a good middle-position filler in beds and borders with shrubs behind and shorter flora in front, reaching a height of up to three feet.

Use this plant to hide unsightly faucets, hoses, utility metres and other foundation eyesores thanks to its voluminous foliage. It turns the landscape a beautiful shade of gold and umber in the fall.

Cranesbill flowers bloom continuously from spring until the first frost, making them a stunning sight. Choose cultivars that come in shades of pink, purple, blue, and white if you can.

In Zones 4 to 9, begin planting seeds or plants in the spring. In the spring or fall, divide as necessary.

8. Creeping Thyme

In full sun and average, well-drained soil, creeping thyme (Thymus serphyllum) turns into a stunning, colour-saturated edible ground cover. A fresh, minty scent is released when it is brushed against or stepped on.

It’s hardy and evergreen in mild climates.

Its tiny pink-purple blossoms form a rich carpet of colour as summer begins, reaching a height of three inches.

Take advantage of the vivid colour of the plant by planting in large groups along walkways and driveways as well as at the front of beds and borders.

Early spring is the best time to plant seeds or plants in Zones 4 to 8.

9. Daylily

Hemerocallis, the daylily, is a clumping root plant with numerous showy, slender blossoms that open for only one day per stem.

Organically rich, well-drained soil in full sun is ideal for this plant’s growth. Orange, pink, purple, red, yellow, and white cultivars are available in a wide range of colours.

The petals’ elegant shape and heights of up to four feet are the best features here. A continuous spring-to-fost display is best achieved by planting a variety of spring, summer, and fall bloomers.

Standalones or anchors at the back of the border are the best use of tall varieties.

A swath of colour can be used to denote the border frontage in a shorter type. It is possible to mass-group all types for dynamic drifts.

10. English Lavender

For medicinal and culinary purposes, the shrubby herb known as English Lavender can be found.

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A dry, sandy, slightly acidic soil is ideal for rock gardens, beds, borders, and kitchen gardens if you have full sun.

In the end, lavender’s most important asset is its scent. This will encourage brushing past, releasing its strong scent.

The spikes of blue-purple flowers not only have a lovely scent but also have a striking appearance.

It is possible to use lavender at the mid-story level with a compact form and a height of one to two feet. Adding yellow yarrow to the mix will create a visually appealing contrast.

Zones 5 to 8: Early spring is the best time to start seeds or plants. During the months of June through August, you can enjoy a rainbow of color thanks to a steady supply of deadheads. Prune every few years to keep a tidy shape.

Nature Hills Nursery sells live plants for transplantation in #1 pots, which are available for purchase.

11. Siberian Iris

The rhizome of the Siberian Iris (Iris sibirica) grows in full sun to partial shade from which the plant gets its name. Soil that is rich in organic matter but well-drained is ideal for the plant.

These varieties come in a rainbow of colours and can reach heights of up to four feet in length.

When left to grow naturally in a spring garden, iris forms dramatic swaths of colour that serve as a dramatic focal point.

The “wet feet” of some varieties make them ideal for damp trouble spots, where they can be a perfect solution. Slender stems with brightly coloured flowers appear in the late springtime.

Pinch out all of the flower’s stems as soon as they’ve withered. In order to feed the rhizomes and add linear interest to your landscape, leave the ornamental grass-like leaves in place.

Siberian irises can be grown in Zones 3 to 8 and can be planted in the spring or fall, depending on the climate. When planting in clumps, it’s better to do so in groups rather than one at a time.

In about four years, plan on digging them up to get rid of any withered rhizomes.

12. Giant Allium

Onion bulb Allium giganteum prefers full sun and moist, organically rich but well-drained soil for its best growth and blooming

A cluster of five-foot-tall bare stems is home to a cluster of large purple blossoms.

Colour and texture appear to float in the air with this enormous variety.

To add interest, you can plant it in clumps or in a drift, or you can make it the center of attention by planting it in the middle of the bed or in the back of a border. In the months of May and June, giant alliums bloom.

Autumn in Zones 5 to 8 for bed bulbs. Rotting can occur if there is too much moisture or poor drainage.

13. Hellebore

Gardeners love Hellebore (Helleborus orientalis) because it blooms in early January and lasts through spring.

It prefers moist, well-drained soil that is rich in organic matter, as well as some shade once the sun begins to heat things up.

It is the job of the hellebore in the garden to usher in the spring and to provide glossy green foliage that grows to a height of one foot at any given time of the year. Green, pink, red, and yellow is among the cultivar colors.

Plant under deciduous trees for a neutral ground cover that’s ideal for spring bulb planting. After the bulbs have withered, simply tuck their stems under the large hellebore leaves to hide them.

Sow seeds, rootstocks, or plants in the spring of Zones 4 to 9 if possible.

14. New England Aster

The New England aster (Symphyotrichum novae-angliae) is a native plant that attracts pollinators and provides a last burst of colour in the summer-to-fall transition.

It thrives in full sun and moist, but well-drained, soil.

As it gets going, this aster looks more like a shrub than an individual plant. Every day in August and September, the plant bursts open its small, feathery purple blossoms, towering up to a height of six feet tall.

It may require assistance if left to its own devices. Alternatively, you can prune early in the summer in order to reduce the appearance of legginess.

You can also leave withered stalks or prune at the end of the season for habitat and winter interest. Naturalization and self-seeding help it spread.

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Early spring is the best time to plant seeds or start seedlings in Zones 4-8.

15. Montauk Daisy

If you want to grow Montauk daisies, you’ll need a lot of sunlight and an average, well-drained soil.

Clumping daisies in July and August, with white petals and greenish centers, make an eye-catching entrance to the landscape.

My favourite thing about this plant is its glossy, succulent-like leaves and the fact that it’s attractive even before it blooms in the summer. When it comes to the colours, I let some of them fade into the background in July.

Around Mother’s Day and the 4th of July, I cut it back a few inches again to delay blooming until autumn. This kind of adaptability appeals to me.

In combination with my more reserved balloon flower and my wild and weedy bee balm, I find that the Montauk daisy makes a good companion. When the stars align just right, I have a patriotic fourth-of-July display.

Having flora in front of it provides support and hides the bare legs that develop as it matures.

Early spring is the best time to plant seeds or plants in Zones 5 to 9. Staking may be necessary for leggy growth. As needed, divide the work over a period of time.

16. Perennial Tickseed

As long as water drains away from the roots, tickseed or lance-leaved coreopsis (Coreopsis lanceolata) can thrive in the aridest conditions.

In mixed beds and borders, tickseed’s long, thin stems and bright yellow-orange blossoms make it an easy, low-maintenance choice.

Rockeries can use it because it grows to a height of one to two feet.

Be sure to use the Latin name when purchasing coreopsis, as there are many varieties, some of which are annuals. This is a native plant that blooms from May to July and attracts beneficial insects to the garden.

It is possible for tickseed to thrive in the wild because it self-sows. After a couple of years, you may find that it needs to be divided because it likes to spread its wings.

In Zones 4 to 9, begin planting seeds or plants in the spring.

17. Yarrow

Full sun and sandy, well-drained soil are ideal for growing yarrow (Achillea millefolium). Rich red, white, and yellow cultivars are available, and they can grow to a height of two to four feet.

This is an attractive addition to the landscape because of its ferny, grey-green foliage and its distinctive, spicy scent.

Color saturation is achieved through naturalization and by grouping clumps together, which extends the blooming period from June to September.

When it comes to drought-resistant plants, yarrow is one of the best. It can thrive in areas of the garden where even grass won’t grow.

Pruning it in late spring will help keep it in shape, as well as trimming spent blossoms and stems if they become overgrown.

Zones 3 to 9: Plant seeds, rootstock, or plants early in the spring and divide as needed.

18. Goatsbeard

In North America, Aruncus, or goat’s beard, has a wide native range.

This is a hardy perennial with stems that have weathered tornadoes without any damage. The frothy white flowers resemble astilbe blooms, and the leaves are fern-like.

This slow-growing plant may not reach its full size for 4 to 5 years, but goatsbeard has been known to live for up to 100 years in the same spot.

Early summer is when you can expect to see the flowers.

19. Hostas

Hostas are a perennial favourite, and they’re as hardy as nails as long as you keep two things in mind.

Hostas are a favourite of deer, so be sure to purchase slug-resistant varieties (which typically have thick leaves).

Get rid of slugs and deer in the garden by following our tips. Most people grow hostas for their beautiful foliage, which can range from dark green to blue and chartreuse, and sometimes has lovely yellow or white variegation.

Hostas come in a variety of sizes, but they are grown primarily for their foliage. There are a few large-flowered, strongly scented varieties of trumpet-shaped flowers that range in colour from white to purple.

Hostas bloom from early summer to late fall in full shade or partial shade. Take a look at our guide to growing Hostas.

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