There's something incredibly satisfying about planting something once and watching it come back year after year.
That's exactly why flowering perennials are so popular with UK gardeners. Unlike annuals that need replacing every season, perennials settle into your garden, grow stronger over time, and often reward you with bigger, better displays each year.
If you've ever looked out at your garden in midsummer and thought it was missing colour, or you've spent too much money replacing bedding plants every spring, adding a few well-chosen perennials can completely transform the space.
At Verdant Living, we've seen firsthand how the right perennial plants can turn an ordinary border into something that looks beautiful for months. As a family-run British nursery, we've spent years growing and selecting plants that perform reliably in UK gardens, whether you're working with a sunny border, a shaded corner, or a collection of pots on a patio.
In this guide, we'll walk you through some of the best flowering perennial plants for UK gardens, including long-blooming favourites, pollinator-friendly varieties, and plants that offer colour from spring right through to autumn.
Why Gardeners Love Perennial Plants
Perennials aren't just popular because they come back every year.
They're popular because they make gardening easier.
Once established, many require very little attention beyond occasional watering, feeding, and tidying up. Instead of starting from scratch every spring, you're building a garden that becomes fuller, stronger, and more impressive over time.
They also help create that established garden look that many people admire. The kind of garden where flowers seem to naturally flow from one season to the next.
If you're looking for plants that provide long-term value and dependable colour, flowering perennials are hard to beat.
1. LavenderÂ
If there were a hall of fame for British garden plants, Lavender (Lavandula angustifolia) would probably be one of the first names on the list. Its fragrant purple flower spikes, silvery foliage, and ability to attract bees make it a favourite in everything from cottage gardens to contemporary planting schemes.
What many gardeners love most is how versatile it is. Lavender looks just as at home lining a pathway as it does spilling from a patio container or softening the edge of a sunny border. Once established, it's remarkably easy-going too, thriving in sunny spots and coping well during dry spells.
Best for: Sunny borders, gravel gardens, pathways, containers, and pollinator-friendly planting.
If you're considering adding Lavender to your garden, you'll be pleased to know that not all Lavenders are exactly the same. At Verdant Living, we grow a range of varieties including Lavender Light Blue, Lavender Hidcote Light Blue, Lavender Essence Purple, and Senetti Lavender. Each offers slightly different shades of flowers, growth habits, and garden character.Â
🛒 Buy Lavender on Amazon
2. Japanese Anemone
Just when many summer flowers are beginning to slow down, Japanese Anemones step in and steal the show. These elegant perennials burst into bloom from late summer through autumn, producing masses of delicate flowers that seem to float above the foliage. On breezy days, the blooms gently sway in the wind.Â
They're particularly useful if your borders often feel a little tired towards the end of the growing season. Plant them among earlier-flowering perennials, and they'll help keep the display looking fresh long after summer has peaked.
Japanese Anemones are also one of the few flowering perennials that thrive in partial shade, making them ideal for those trickier spots where many sun-loving plants struggle.
Best for: Partially shaded borders, woodland-style gardens, and extending colour into autumn.
One of our favourite Anemone varieties is Anemone 'Harmony Blue'. Its vivid blue flowers bring a welcome burst of colour to the garden in spring, often appearing when many other plants are only just beginning to wake up. It's a fantastic choice if you're looking to add early-season interest to borders, containers, or woodland-style planting, and the flowers look particularly impressive when planted in generous drifts.
🛒 Buy Japanese Anemone on Amazon
3. Penstemon
If someone asked us to recommend a perennial that offers exceptional value for the space it occupies, Penstemon would be near the top of the list. Flowering from early summer right through to the first frosts, Penstemons are among the longest-blooming perennials you can grow. Their colourful, tubular flowers appear continuously for months, attracting bees and adding vibrant colour to borders.
What makes Penstemon particularly useful is its ability to bridge the gap between spring and autumn displays. While some perennials flower for only a few weeks, Penstemon keeps going, often becoming one of the hardest-working plants in the garden. Whether your garden style is traditional cottage garden or something more contemporary, Penstemon fits in effortlessly.
Best for: Mixed borders, cottage gardens, pollinator planting, and long-lasting summer colour.
Penstemons are one of those plants we find ourselves recommending time and time again. Gardeners often tell us they're looking for something that flowers for more than just a few weeks, and Penstemons rarely disappoint. If you're looking for a plant that gives you plenty of colour for very little effort, Penstemon is difficult to beat.
4. Heuchera
Not every great perennial earns its place solely through flowers. Heuchera has become one of the most popular garden plants in recent years thanks to its incredible foliage. Depending on the variety, leaves can be deep purple, lime green, caramel, silver, or almost black, providing colour long before and long after the flowers appear.
During spring and summer, delicate flower stems rise above the foliage, creating a light, airy effect that contrasts beautifully with the bold leaves below. It's also one of the most versatile plants you can grow. Heuchera looks equally attractive in borders, containers, raised beds, and shaded corners of the garden.
Even in winter, many varieties continue to provide interest when other perennials have disappeared beneath the soil.
Best for: Containers, mixed borders, shaded gardens, and year-round foliage interest.
Heuchera is one of our go-to recommendations for gardeners who want maximum impact with very little effort. While many perennials shine for only part of the year, Heuchera earns its place season after season. If you're looking for a reliable garden performer that helps borders and containers look fuller, richer, and more professionally designed, Heuchera is an easy choice.
🛒 Buy Heuchera on Amazon
5. Tiarella
If you've ever struggled to find plants for a shaded part of the garden, Tiarella could be exactly what you're looking for. Often called Foam Flower, Tiarella produces clouds of delicate flowers in spring that seem to hover above its attractive foliage. The blooms may appear delicate, but the plant itself is surprisingly tough and reliable.
What makes Tiarella especially valuable is its ability to brighten areas where many flowering plants refuse to perform. Under trees, alongside north-facing walls, or in woodland-style planting schemes, it brings texture, colour, and interest without demanding much attention.
The foliage often remains attractive long after flowering has finished, making it a useful addition throughout the growing season.
Best for: Shaded borders, woodland gardens, underplanting shrubs, and low-maintenance planting schemes.
At Verdant Living, we grow a selection of Tiarella varieties because we believe every corner of the garden deserves to look special. Mixing different varieties can create layers of colour, texture, and seasonal interest.Â
🛒 Buy Tiarella on Amazon
6. Lupin
Few plants create as much impact as a Lupin in full bloom. Their tall flower spikes rise dramatically above the surrounding foliage, creating a bold focal point that immediately draws the eye. Available in shades of purple, pink, yellow, red, blue, and white, Lupins can add both height and colour to a planting scheme.
They're often associated with traditional cottage gardens, but they work surprisingly well in modern gardens too, especially when planted in large drifts. The flowers are also popular with pollinators, making Lupins a beautiful way to support local wildlife while creating a spectacular display.
When planted in groups, they create the kind of show-stopping display that visitors always seem to comment on.
Best for: Cottage gardens, mixed borders, wildlife-friendly planting, and adding vertical interest.
At Verdant Living, Lupins are consistently among our best-selling perennials and one of the varieties customers return for time and time again. We offer multiple Lupin varieties, giving gardeners plenty of choice when refreshing existing borders or creating new planting schemes. Their enduring popularity speaks for itself—once gardeners grow Lupins, they often come back for more.
🛒 Buy Lupins on Amazon
7. Arabis
Arabis may not be the tallest perennial on this list, but what it lacks in height, it more than makes up for in enthusiasm. One of the earliest flowering perennials of the year, Arabis creates carpets of flowers that can completely cover the foliage beneath. After a long British winter, those first bursts of colour can feel especially welcome.
Its low-growing habit makes it perfect for softening pathways, spilling over walls, filling rockeries, or brightening the front of borders. Many gardeners use Arabis to create a seamless transition between hard landscaping and planting, helping gardens feel more natural and established.
Best for: Rockeries, edging, pathways, containers, and early spring colour.
Arabis has become one of those plants that surprises people. While many customers buy it for their own gardens, we've also had quite a few tell us they've purchased it as a gift for friends and family who love gardening. It's an easy plant to appreciate. If you're looking for a perennial that consistently puts a smile on people's faces, Arabis is a wonderful choice.
🛒 Buy Arabis on Amazon
8. Dianthus
If fragrance is important to you, Dianthus deserves a place in your garden. Often known as Pinks, these charming perennials produce beautifully scented flowers that can perfume a patio, pathway, or seating area during the warmer months.
Their compact size makes them particularly useful in smaller gardens where every plant needs to earn its place. Despite their modest stature, Dianthus produces an impressive display of blooms and often flowers repeatedly throughout the season.
Combined with attractive evergreen foliage, they offer interest for much longer than many gardeners realise. They're the kind of plant that encourages you to pause for a moment and appreciate the simple pleasures of being in the garden.
Best for: Containers, front-of-border planting, patios, cottage gardens, and fragrant displays.
Dianthus is one of the plants we receive enquiries about throughout the year. Interestingly, many of those enquiries don't even come from customers specifically looking for perennial plants. They're often searching for something colourful, compact, fragrant, or suitable for pots and patio displays, and Dianthus keeps finding its way onto their shortlist.
🛒 Buy Dianthus on Amazon
9. Euphorbia
Every garden benefits from a few plants that provide structure as well as colour, and that's where Euphorbia excels. Rather than producing traditional flowers, Euphorbia creates distinctive flower-like bracts that add texture and architectural interest to borders. Combined with attractive foliage, the result is a plant that stands out without demanding attention.
Many varieties have a sculptural quality that complements softer flowering perennials beautifully. They act almost like the framework of a border, helping tie different planting combinations together. They're also remarkably resilient and often thrive in conditions where more demanding plants struggle.
Best for: Contemporary gardens, gravel gardens, mixed borders, and structural planting.
Verdant Living offers a range of Euphorbia varieties, so you have plenty of options to add structure and character to your planting schemes. Different varieties bring their own unique look and personality to the garden. It’s one of those versatile perennials that can effortlessly tie a planting scheme together.
🛒 Buy Euphorbia on Amazon
10. Bringing It All Together
The truth is, the best perennial garden rarely relies on just one plant. The most successful borders combine different flowering periods, heights, colours, and textures to create interest throughout the year.
You might pair fragrant Lavender with compact Dianthus near a patio, use Lupins and Penstemons to add height through summer, then rely on Japanese Anemones to keep the show going well into autumn. Meanwhile, Heuchera, Tiarella, and Euphorbia can provide valuable foliage and structure between flowering seasons.
The result is a garden that feels alive and ever-changing rather than peaking for a few short weeks before fading away.
Flowering Perennial Plants: Long-Lasting Garden Colour
One of the best things about gardening is knowing that the work you put in today will continue to reward you for years to come.
That's exactly what flowering perennials offer. Plant them once, give them the right conditions, and they'll return season after season, often growing stronger and more impressive with age. These perennial favourites can help transform any outdoor space into a garden full of colour, texture, and life.
Discover Even More Plants at Verdant Living
While flowering perennials are one of the best ways to create a garden that returns year after year, they're just one part of what we offer at Verdant Living.Â
Alongside our carefully selected perennial collection, you'll also find a wide range of bedding plants, ferns & ornamental grasses, trees & shrubs, and pre-planted containers designed to help you create beautiful outdoor spaces with ease.
If you enjoy growing your own produce, we also offer a selection of herbs, fruit plants, and vegetable plants, making it easier to enjoy homegrown harvests throughout the year. And for those looking to bring greenery indoors, our growing range of housepl ants provides plenty of options for adding natural beauty to your home.
At Verdant Living, we're passionate about helping gardeners create beautiful outdoor spaces with plants that are grown responsibly and selected specifically for UK gardens. Every plant is grown peat-free at our British nursery, packed in plastic-free packaging, and delivered directly to your door, ready to thrive.
#perennialplants #floweringperennialplants # bestfloweringperennialplants #floweringplants #bestperennialgarden #perennialplantsukgardens #bestperennialplants
10 Best Flowering Perennial Plants for UK Gardens
There's something incredibly satisfying about planting something once and watching it come back year after year.
That's exactly why flowering perennials are so popular with UK gardeners. Unlike annuals that need replacing every season, perennials settle into your garden, grow stronger over time, and often reward you with bigger, better displays each year.
If you've ever looked out at your garden in midsummer and thought it was missing colour, or you've spent too much money replacing bedding plants every spring, adding a few well-chosen perennials can completely transform the space.
At Verdant Living, we've seen firsthand how the right perennial plants can turn an ordinary border into something that looks beautiful for months. As a family-run British nursery, we've spent years growing and selecting plants that perform reliably in UK gardens, whether you're working with a sunny border, a shaded corner, or a collection of pots on a patio.
In this guide, we'll walk you through some of the best flowering perennial plants for UK gardens, including long-blooming favourites, pollinator-friendly varieties, and plants that offer colour from spring right through to autumn.
Why Gardeners Love Perennial Plants
Perennials aren't just popular because they come back every year.
They're popular because they make gardening easier.
Once established, many require very little attention beyond occasional watering, feeding, and tidying up. Instead of starting from scratch every spring, you're building a garden that becomes fuller, stronger, and more impressive over time.
They also help create that established garden look that many people admire. The kind of garden where flowers seem to naturally flow from one season to the next.
If you're looking for plants that provide long-term value and dependable colour, flowering perennials are hard to beat.
1. LavenderÂ
If there were a hall of fame for British garden plants, Lavender (Lavandula angustifolia) would probably be one of the first names on the list. Its fragrant purple flower spikes, silvery foliage, and ability to attract bees make it a favourite in everything from cottage gardens to contemporary planting schemes.
What many gardeners love most is how versatile it is. Lavender looks just as at home lining a pathway as it does spilling from a patio container or softening the edge of a sunny border. Once established, it's remarkably easy-going too, thriving in sunny spots and coping well during dry spells.
Best for: Sunny borders, gravel gardens, pathways, containers, and pollinator-friendly planting.
If you're considering adding Lavender to your garden, you'll be pleased to know that not all Lavenders are exactly the same. At Verdant Living, we grow a range of varieties including Lavender Light Blue, Lavender Hidcote Light Blue, Lavender Essence Purple, and Senetti Lavender. Each offers slightly different shades of flowers, growth habits, and garden character.Â
🛒 Buy Lavender on Amazon
2. Japanese Anemone
Just when many summer flowers are beginning to slow down, Japanese Anemones step in and steal the show. These elegant perennials burst into bloom from late summer through autumn, producing masses of delicate flowers that seem to float above the foliage. On breezy days, the blooms gently sway in the wind.Â
They're particularly useful if your borders often feel a little tired towards the end of the growing season. Plant them among earlier-flowering perennials, and they'll help keep the display looking fresh long after summer has peaked.
Japanese Anemones are also one of the few flowering perennials that thrive in partial shade, making them ideal for those trickier spots where many sun-loving plants struggle.
Best for: Partially shaded borders, woodland-style gardens, and extending colour into autumn.
One of our favourite Anemone varieties is Anemone 'Harmony Blue'. Its vivid blue flowers bring a welcome burst of colour to the garden in spring, often appearing when many other plants are only just beginning to wake up. It's a fantastic choice if you're looking to add early-season interest to borders, containers, or woodland-style planting, and the flowers look particularly impressive when planted in generous drifts.
🛒 Buy Japanese Anemone on Amazon
3. Penstemon
If someone asked us to recommend a perennial that offers exceptional value for the space it occupies, Penstemon would be near the top of the list. Flowering from early summer right through to the first frosts, Penstemons are among the longest-blooming perennials you can grow. Their colourful, tubular flowers appear continuously for months, attracting bees and adding vibrant colour to borders.
What makes Penstemon particularly useful is its ability to bridge the gap between spring and autumn displays. While some perennials flower for only a few weeks, Penstemon keeps going, often becoming one of the hardest-working plants in the garden. Whether your garden style is traditional cottage garden or something more contemporary, Penstemon fits in effortlessly.
Best for: Mixed borders, cottage gardens, pollinator planting, and long-lasting summer colour.
Penstemons are one of those plants we find ourselves recommending time and time again. Gardeners often tell us they're looking for something that flowers for more than just a few weeks, and Penstemons rarely disappoint. If you're looking for a plant that gives you plenty of colour for very little effort, Penstemon is difficult to beat.
4. Heuchera
Not every great perennial earns its place solely through flowers. Heuchera has become one of the most popular garden plants in recent years thanks to its incredible foliage. Depending on the variety, leaves can be deep purple, lime green, caramel, silver, or almost black, providing colour long before and long after the flowers appear.
During spring and summer, delicate flower stems rise above the foliage, creating a light, airy effect that contrasts beautifully with the bold leaves below. It's also one of the most versatile plants you can grow. Heuchera looks equally attractive in borders, containers, raised beds, and shaded corners of the garden.
Even in winter, many varieties continue to provide interest when other perennials have disappeared beneath the soil.
Best for: Containers, mixed borders, shaded gardens, and year-round foliage interest.
Heuchera is one of our go-to recommendations for gardeners who want maximum impact with very little effort. While many perennials shine for only part of the year, Heuchera earns its place season after season. If you're looking for a reliable garden performer that helps borders and containers look fuller, richer, and more professionally designed, Heuchera is an easy choice.
🛒 Buy Heuchera on Amazon
5. Tiarella
If you've ever struggled to find plants for a shaded part of the garden, Tiarella could be exactly what you're looking for. Often called Foam Flower, Tiarella produces clouds of delicate flowers in spring that seem to hover above its attractive foliage. The blooms may appear delicate, but the plant itself is surprisingly tough and reliable.
What makes Tiarella especially valuable is its ability to brighten areas where many flowering plants refuse to perform. Under trees, alongside north-facing walls, or in woodland-style planting schemes, it brings texture, colour, and interest without demanding much attention.
The foliage often remains attractive long after flowering has finished, making it a useful addition throughout the growing season.
Best for: Shaded borders, woodland gardens, underplanting shrubs, and low-maintenance planting schemes.
At Verdant Living, we grow a selection of Tiarella varieties because we believe every corner of the garden deserves to look special. Mixing different varieties can create layers of colour, texture, and seasonal interest.Â
🛒 Buy Tiarella on Amazon
6. Lupin
Few plants create as much impact as a Lupin in full bloom. Their tall flower spikes rise dramatically above the surrounding foliage, creating a bold focal point that immediately draws the eye. Available in shades of purple, pink, yellow, red, blue, and white, Lupins can add both height and colour to a planting scheme.
They're often associated with traditional cottage gardens, but they work surprisingly well in modern gardens too, especially when planted in large drifts. The flowers are also popular with pollinators, making Lupins a beautiful way to support local wildlife while creating a spectacular display.
When planted in groups, they create the kind of show-stopping display that visitors always seem to comment on.
Best for: Cottage gardens, mixed borders, wildlife-friendly planting, and adding vertical interest.
At Verdant Living, Lupins are consistently among our best-selling perennials and one of the varieties customers return for time and time again. We offer multiple Lupin varieties, giving gardeners plenty of choice when refreshing existing borders or creating new planting schemes. Their enduring popularity speaks for itself—once gardeners grow Lupins, they often come back for more.
🛒 Buy Lupins on Amazon
7. Arabis
Arabis may not be the tallest perennial on this list, but what it lacks in height, it more than makes up for in enthusiasm. One of the earliest flowering perennials of the year, Arabis creates carpets of flowers that can completely cover the foliage beneath. After a long British winter, those first bursts of colour can feel especially welcome.
Its low-growing habit makes it perfect for softening pathways, spilling over walls, filling rockeries, or brightening the front of borders. Many gardeners use Arabis to create a seamless transition between hard landscaping and planting, helping gardens feel more natural and established.
Best for: Rockeries, edging, pathways, containers, and early spring colour.
Arabis has become one of those plants that surprises people. While many customers buy it for their own gardens, we've also had quite a few tell us they've purchased it as a gift for friends and family who love gardening. It's an easy plant to appreciate. If you're looking for a perennial that consistently puts a smile on people's faces, Arabis is a wonderful choice.
🛒 Buy Arabis on Amazon
8. Dianthus
If fragrance is important to you, Dianthus deserves a place in your garden. Often known as Pinks, these charming perennials produce beautifully scented flowers that can perfume a patio, pathway, or seating area during the warmer months.
Their compact size makes them particularly useful in smaller gardens where every plant needs to earn its place. Despite their modest stature, Dianthus produces an impressive display of blooms and often flowers repeatedly throughout the season.
Combined with attractive evergreen foliage, they offer interest for much longer than many gardeners realise. They're the kind of plant that encourages you to pause for a moment and appreciate the simple pleasures of being in the garden.
Best for: Containers, front-of-border planting, patios, cottage gardens, and fragrant displays.
Dianthus is one of the plants we receive enquiries about throughout the year. Interestingly, many of those enquiries don't even come from customers specifically looking for perennial plants. They're often searching for something colourful, compact, fragrant, or suitable for pots and patio displays, and Dianthus keeps finding its way onto their shortlist.
🛒 Buy Dianthus on Amazon
9. Euphorbia
Every garden benefits from a few plants that provide structure as well as colour, and that's where Euphorbia excels. Rather than producing traditional flowers, Euphorbia creates distinctive flower-like bracts that add texture and architectural interest to borders. Combined with attractive foliage, the result is a plant that stands out without demanding attention.
Many varieties have a sculptural quality that complements softer flowering perennials beautifully. They act almost like the framework of a border, helping tie different planting combinations together. They're also remarkably resilient and often thrive in conditions where more demanding plants struggle.
Best for: Contemporary gardens, gravel gardens, mixed borders, and structural planting.
Verdant Living offers a range of Euphorbia varieties, so you have plenty of options to add structure and character to your planting schemes. Different varieties bring their own unique look and personality to the garden. It’s one of those versatile perennials that can effortlessly tie a planting scheme together.
🛒 Buy Euphorbia on Amazon
10. Bringing It All Together
The truth is, the best perennial garden rarely relies on just one plant. The most successful borders combine different flowering periods, heights, colours, and textures to create interest throughout the year.
You might pair fragrant Lavender with compact Dianthus near a patio, use Lupins and Penstemons to add height through summer, then rely on Japanese Anemones to keep the show going well into autumn. Meanwhile, Heuchera, Tiarella, and Euphorbia can provide valuable foliage and structure between flowering seasons.
The result is a garden that feels alive and ever-changing rather than peaking for a few short weeks before fading away.
Flowering Perennial Plants: Long-Lasting Garden Colour
One of the best things about gardening is knowing that the work you put in today will continue to reward you for years to come.
That's exactly what flowering perennials offer. Plant them once, give them the right conditions, and they'll return season after season, often growing stronger and more impressive with age. These perennial favourites can help transform any outdoor space into a garden full of colour, texture, and life.
Discover Even More Plants at Verdant Living
While flowering perennials are one of the best ways to create a garden that returns year after year, they're just one part of what we offer at Verdant Living.Â
Alongside our carefully selected perennial collection, you'll also find a wide range of bedding plants, ferns & ornamental grasses, trees & shrubs, and pre-planted containers designed to help you create beautiful outdoor spaces with ease.
If you enjoy growing your own produce, we also offer a selection of herbs, fruit plants, and vegetable plants, making it easier to enjoy homegrown harvests throughout the year. And for those looking to bring greenery indoors, our growing range of housepl ants provides plenty of options for adding natural beauty to your home.
At Verdant Living, we're passionate about helping gardeners create beautiful outdoor spaces with plants that are grown responsibly and selected specifically for UK gardens. Every plant is grown peat-free at our British nursery, packed in plastic-free packaging, and delivered directly to your door, ready to thrive.
#perennialplants #floweringperennialplants # bestfloweringperennialplants #floweringplants #bestperennialgarden #perennialplantsukgardens #bestperennialplants