All agapanthus types are stunning, and I've yet to encounter one that doesn't impress. That's a rare claim in the plant world.
Growing agapanthus successfully boils down to two essentials: plenty of sunlight and a dislike for cold weather. But which agapanthus cultivar should you choose at the nursery? Some can tower over four feet, while others are compact and charming, each offering unique visual appeal.
Here are the six standout agapanthus varieties to look for, celebrated for their beauty, structural presence, and wildlife support.
1. Agapanthus africanus 'Black Jack'
Agapanthus africanus 'Black Jack' is a remarkable choice. Awarded the 2023 RHS Chelsea Flower Show plant of the year, its appeal is undeniable.
With impressive one-meter stems topped by deep, velvety violet flowers, this variety has a denser floral display that endures throughout summer.
Best for: A show-stopping agapanthus with long-lasting blooms
Height: 90cm (36in)
Flowers: June - September
Where to buy: Purchase Agapanthus 'Black Jack' from Edenerseeds.
2. Agapanthus 'Delft Blue'
Agapanthus 'Delft Blue'
Agapanthus 'Delft Blue', inspired by Dutch pottery, showcases beautiful, pale blue trumpet-shaped flowers arranged in spherical clusters. It's one of the most attractive agapanthus types available.
Thriving in well-drained soil and full sun, it flowers freely from June to October. While it benefits from winter protection, it comes back stronger each year.
Best for: Its stunning blue hue that draws in pollinators
Height: 80cm (31in)
Flowers: June - October
Where to buy: Purchase Agapanthus 'Delft Blue' from Easy to Grow Bulbs.
3. Agapanthus 'Emerald Ice'
Agapanthus 'Emerald Ice' features a unique combination of lime green and white—truly one of a kind.
This variety shines in white-themed gardens and looks stunning in large terracotta pots. Its plentiful strap-like leaves remain appealing throughout summer, so when pairing with other plants, choose companions that won't compete.
Best for: White garden designs and container displays
Height: 50cm (19in)
Flowers: July - October
Where to buy:
4. Agapanthus 'Queen Mum'
'Queen Mum' stands out with its stunning clusters of dual-colored flowers that resemble fireworks when in bloom.
Even after flowering, the sculptural seed heads provide winter interest, making it an architectural asset in the garden.
However, it is sensitive to frost, so covering it during the coldest months is recommended. You can find horticultural fleece on Amazon.
Best for: Mass plantings for dramatic borders and pathways
Height: 1.2m (47in)
Flowers: July - late September
Where to buy: Get Agapanthus 'Queen Mum' at Wilson Bros.
5. Agapanthus 'Twister'
'Twister' remains a favorite among designers for its beauty, despite its commonality. It shares a color palette with 'Queen Mum' but differs in flower form.
With more compact blooms, 'Twister' is less visually striking but equally charming.
This variety lasts over three weeks as a cut flower and attracts hummingbirds and butterflies alike. Pairing 'Twister' with the shimmering shapes of oenothera and silvery artemisia creates an eye-catching container.
Best for: Arrangements as cut flowers
Height: 60cm (23in)
Flowers: June - early September
Where to buy: Purchase Agapanthus 'Twister' from Dutch Grown
6. Agapanthus 'Dr Brouwer'
Agapanthus 'Dr Brouwer' features dark stems and blooms late in the summer. Its flowers transition from lilac to a striking royal blue.
This variety is hardier than many others, often requiring no winter protection, making it suitable for coastal areas and exposed gardens.
Best for: Coastal garden landscapes
Height: 80cm (31in)
Flowers: July - September
Where to buy: Buy Agapanthus 'Dr Brouwer' from Great Garden Plants.
To ensure vibrant blooms, feed your agapanthus weekly or bi-weekly during the growing season. This routine is beneficial for any agapanthus variety. An organic all-purpose plant food available on Amazon works well.
