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Agapanthus 'Brilliant Blue'

Agapanthus 'Brilliant Blue' is a spectacular perennial renowned for its vivid blue flower clusters that rise above lush green strap like foliage during summer. The vibrant blooms create a bold display of colour that enhances borders, mass plantings, and landscape designs. This hardy variety is admired for its reliable flowering, strong garden performance, and ability to thrive in a wide range of conditions. Well suited to New Zealand gardens, Agapanthus 'Brilliant Blue' offers long lasting beauty and low maintenance appeal.

Agapanthus Brilliant Blue plant in a pot with dark blue flowers.

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Suited to regions:All regions
Plant type:Perennials
Height:40 cm
Spread:40 cm
Flowering time:Spring, Summer
Tolerances:Coastal, Extended dry periods, Hardy, Wet, Wind
Garden uses:Borders, Containers, Living areas, Paths & Steps, Patios, Ponds, Pool areas
Garden styles:Backyard, City & Courtyard, Coastal, Frontyard, Japanese, Modern
Easy to grow?
Maintenance requirements
Growth rate
Also known as
Sku15527

How to grow Agapanthus 'Brilliant Blue' in NZ

Agapanthus 'Brilliant Blue' grows best in a sunny position with well drained soil. Incorporating compost before planting will improve soil structure and support healthy root development. Water regularly during establishment, then only during extended dry periods once plants are settled. This hardy perennial adapts well to a variety of soil conditions and performs especially well in coastal gardens. Plenty of sunlight will encourage vigorous growth, healthy foliage, and abundant flowering throughout summer.

Agapanthus 'Brilliant Blue' care tips

Agapanthus 'Brilliant Blue' is an easy care perennial that requires very little ongoing maintenance. Remove spent flower stems after flowering to keep the plant tidy and direct energy back into growth. Apply a balanced fertiliser during spring to support healthy foliage and prolific flowering. Water during prolonged dry periods, particularly in warmer regions. Dividing mature clumps every few years helps maintain vigour, reduce overcrowding, and encourage continued flowering performance.

Agapanthus 'Brilliant Blue' size, spacing, and growth rate

Agapanthus 'Brilliant Blue' typically grows to around 70 to 100 centimetres tall when flowering and 50 to 70 centimetres wide. It has a moderate growth rate and gradually forms dense clumps of attractive foliage. Space plants approximately 50 to 60 centimetres apart to allow for mature growth and good airflow. Its upright habit and striking flowers make it ideal for borders, mass plantings, and feature garden displays.

Landscaping uses for Agapanthus 'Brilliant Blue'

Agapanthus 'Brilliant Blue' is ideal for borders, coastal gardens, contemporary landscapes, cottage gardens, mass plantings, and container displays. The brilliant blue flowers create strong visual impact and combine beautifully with white flowering plants, ornamental grasses, and evergreen shrubs. It can be planted in groups for a spectacular summer display or used as a feature plant in mixed borders. Its durability and long flowering season make it a valuable addition to many landscape designs.

Why buy Agapanthus 'Brilliant Blue' from The Plant Company?

The Plant Company is NZ’s most trusted plant nursery and offers premium quality Agapanthus 'Brilliant Blue' plants that are ready to thrive in New Zealand gardens. Every plant is carefully grown and selected to ensure strong establishment, healthy growth, and outstanding flowering performance. Customers benefit from expert horticultural advice, fast nationwide delivery, and exceptional customer service. With free shipping available on orders over $150, The Plant Company makes it easy to add this beautiful flowering perennial to your garden with confidence.

Questions and Answers

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