Collection: Agapanthus Plants
Flowering from June to September, these towering, architectural plants team vibrant green stems with an explosion of flowers in delft porcelain colours of blue, violet and white. Agapanthus are ideal for adding height and texture to your borders or showing off in pots. Space them sparingly as accent plants or group them together for a big impact - we love them planted along a paved area or path.
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Agapanthus 'Fireworks'
Two toned flowers to light up your borders
- Plant in full sun to partial shade
- Add height and drama to borders
- Flowers June to September
- RHS Chelsea Flower Show Plant of the Year 2018 Finalist
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Agapanthus 'Lapis Lazuli'
Jewel-toned evergreen Agapanthus
- Happy in full sun to partial shade
- Add height and drama to containers and borders
- Flowers June to September
- Highly drought-tolerant
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Agapanthus 'Royal Velvet'
Spires of plush Purple stars
- Plant in full sun to partial shade
- Add drama to borders or containers
- Flowers June to September
- Fully hardy down to -10C
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Agapanthus 'Silver Baby'
Shimmering white with a hint of blue
- Loves a spot in full sun
- Add height and drama in containers and borders
- Flowers June to September
- RHS Award of Garden Merit
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Agapanthus 'Ever Sapphire'
Spires of Deep Blue starry flowers
- Happy in full sun to partial shade
- Add drama to pots and borders
- Early flowering from May to September
- Attracts bees and butterflies
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Agapanthus 'Sweet Surprise'
The sweetest two-toned Blues
- Happy in full sun to partial shade
- Ideal for the middle of a border
- Long flowering from June to September
- Attracts bees and butterflies
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Agapanthus 'Bridal Bouquet'
Compact and bright variety, perfect for pots
- Loves a spot in full sun
- Add drama to pots and borders
- Flowers June to August
- Perfect for pollinators
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Agapanthus 'Poppin Purple' | 3L
Pops of purple blooms on towering stems
- Happy in full sun to partial shade
- Add drama to pots and borders
- Flowers from June to September
- Evergreen and disease resistant
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Agapanthus 'Star Quality' | 7.5L
Showstopping blue blooms
- Happy in full sun to partial shade
- Add drama to pots and borders
- Flowers from June to September
- Hardy and disease resistant
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Agapanthus 'Pretty Heidy' | 7.5L
Vibrant blue blooms on towering stems
- Happy in full sun to partial shade
- Add drama to pots and borders
- Flowers from June to September
- Hardy and disease resistant
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Agapanthus 'Fireworks' | 7.5L
Two toned flowers to light up your borders
- Happy in full sun to partial shade
- Add drama to pots and borders
- Flowers from June to September
- RHS Chelsea Flower Show Plant of the Year Finalist
Currently out of stock
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Agapanthus 'Stardust' | 3L
Spires of vibrant blue flowers
- Happy in full sun to partial shade
- Add drama to pots and borders
- Flowers from June to September
- Hardy and disease resistant
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Agapanthus 'Poppin Purple' | 7.5L
Pops of purple blooms on towering stems
- Happy in full sun to partial shade
- Add drama to pots and borders
- Flowers from June to September
- Hardy and disease resistant
Currently out of stock
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Agapanthus 'Navy Blue' | 7.5L
Deep blue blooms float on tall stems
- Happy in full sun to partial shade
- Add drama to pots and borders
- Flowers from June to September
- Hardy and disease resistant
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Agapanthus 'Star Quality' | 3L
Showstopping blue blooms
- Happy in full sun to partial shade
- Add drama to pots and borders
- Flowers from June to September
- Hardy and disease resistant
Currently out of stock
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Agapanthus 'Purple Heart' | 3L
Vibrant purple flowers on towering stems
- Happy in full sun to partial shade
- Add drama to pots and borders
- Flowers from June to September
- Hardy and disease resistant
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Agapanthus 'Blue Thunder'
A deeper shade of blue
- Loves a spot in full sun
- Add drama to pots and borders
- Flowers June to September
- Hardy in most of the UK down to -10C
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Agapanthus 'Polar Star' | 7.5L
Bright white flowers gleam in borders
- Happy in full sun to partial shade
- Add drama to pots and borders
- Flowers from June to September
- Hardy and disease resistant
Currently out of stock
Hereford
Meet Jack
Perennials born in Herefordshire, blooming in your garden
Our perennials start life in the rolling Herefordshire hills, where Jack and his team trial over 250 new varieties each year to bring you the best performing and most sustainable plants in the UK. With over forty years of excellence, it’s no surprise that they’ve won the HTA Plant Grower of the Year award two years running.
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Which agapanthus?
Agapanthus vary in height, with taller varieties such as Blue Thunder reaching up to 1m. These are best for a rear or middle border position where they’ll stand out above the other plants. For pots, go for a more compact dwarf agapanthus such as Silver Baby (30-40cm).

Planting schemes and partners
Agapanthus do best in a sunny spot - they can deal with a bit of light shade, but will flower best in full sun. They’re a good choice for coastal gardens, as they don’t mind wind or salt spray. Water them regularly throughout the summer from May onwards and feed every couple of weeks with a high potassium solution such as tomato feed for lots of healthy growth and flowers. When the flowers have finished, you can deadhead them, but the seedheads look pretty cool if they’re left over winter, so it’s up to you. For more growers’ tips, check out our full agapanthus care guide.

Growing tips
Agapanthus do best in a sunny spot - they can deal with a bit of light shade, but will flower best in full sun. They’re a good choice for coastal gardens, as they don’t mind wind or salt spray. Water them regularly throughout the summer from May onwards and feed every couple of weeks with a high potassium solution such as tomato feed for lots of healthy growth and flowers. When the flowers have finished, you can deadhead them, but the seedheads look pretty cool if they’re left over winter, so it’s up to you. For more growers’ tips, check out our full agapanthus care guide.
Agapanthus FAQs
When is the best time to plant agapanthus in the UK?
You can plant agapanthus year-round, but the best planting time is in spring or early summer, which gives the plant time to get established before the colder months.
Where should I plant agapanthus?
Plant agapanthus in a sunny or partially shaded border or patio pot, with well-drained soil or compost. A sheltered site is best, so that the wind doesn’t break the plant’s stems.
How often should I water agapanthus?
Water your agapanthus regularly when it’s newly planted, to keep the soil moist but not waterlogged. Once established, agapanthus is pretty drought tolerant, so you’ll only have to water it in hot and dry weather.
Do agapanthus need fertilising?
Agapanthus will grow better and flower more if you feed it in the spring. Each year, apply some general purpose fertiliser as soon as you see new growth starting.
How do I divide agapanthus?
Agapanthus plants can become crowded after a few years - by dividing them, you can give them a new lease of life and create new plants! Carefully dig up the clump in spring or summer and separate into individual plants with healthy roots and shoots, then replant where you want them.
How do I care for agapanthus in winter?
Agapanthus are winter hardy, but in very cold areas you can give them some extra protection against frost by mulching around the base of the plant with straw, manure or compost. If your plants are in pots, you could also move them into a shed or greenhouse for the winter.
How do I encourage agapanthus to bloom?
To get more flowers from your agapanthus, make sure they get plenty of warm sunlight and regular watering during dry spells throughout the growing season. As the flowers fade, deadhead them to encourage the plant to produce more.
Can agapanthus be grown indoors?
Agapanthus prefer to be outdoors as they like sunlight and free flowing air, but they can be grown indoors too. Position them in a sunny spot and make sure the room is well ventilated to prevent humidity-related disease. You can find more agapanthus advice in our complete growers’ guide.
Happy plants make happy customers

Plants arrived in great condition and very promptly. Well established - much better than the ones I got at my local garden centre.
Monica Spence
| 24 May

Yet again this company delivered good healthy plants, exactly as shown in photos, well packaged and within delivery time quoted. Recommend!
Jacqueline Burgess
| 2 Jun

I continue to be so impressed with Roots. Their customer care, knowledge of their subject: from planting hedges to pruning roses and more, has been a great support.
Judy Lane
| 23 Oct

The plant arrived looking vigorously healthy, which brings a smile to your face, extremely well protected in its packaging.
Martyn Hill
| 5 Jul

As a non-gardener, I found my whole experience brilliant. Great information & advice available on the website, great range of products & prices are brilliant.
John-Paul
| 22 May

Wonderful plants and great customer service... really surprised to find that the plants are better than those you would get at your local garden centre.
Gavin Wilcock
| 8 Nov
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