How to Care for Agapanthus ‘Northern Star’ African Lily

Agapanthus ‘Northern Star’, commonly known as African Lily ‘Northern Star’, Lily of the Nile ‘Northern Star’, or simply African Lily, is a beautiful and versatile perennial plant that adds a touch of elegance and tropical flair to any garden. This stunning plant produces vibrant, blue-violet flowers on tall, slender stems, making it an excellent choice for adding height and color to your garden beds, borders, and containers. In this article, we will be exploring the various aspects of caring for this lovely plant, including watering, light care, soil care, growth rate, and much more. Let’s dive in!

Main Caring Considerations


Agapanthus ‘Northern Star’ requires average watering to thrive. It is essential to keep the soil consistently moist but well-drained, as overwatering or allowing the plant to sit in waterlogged soil can cause root rot. During the growing season, water the plant regularly, ensuring that the soil does not dry out. However, reduce watering during the dormant period, as the plant requires less moisture during this time.

Light Care

This African Lily variety grows best in full sun or partial sun conditions. Providing at least six hours of direct sunlight per day will ensure that the plant produces an abundance of vibrant, showy flowers.

Soil Care

A well-drained soil is crucial for the healthy growth of Agapanthus ‘Northern Star’. The plant can tolerate a wide range of soil types, including acid, alkaline, neutral, chalk, clay, loam, and sand. However, it is essential to ensure that the soil is kept moist but not waterlogged, as mentioned earlier.

Growing Region

African Lily ‘Northern Star’ can be grown in USDA hardiness zones 1 through 12, making it a versatile plant suitable for various climates and regions.

Growth Rate, Height, Size, and Spread

This perennial plant has a moderate growth rate and can reach a height of 2 to 3 feet (60 to 90 cm), with a spread of 1 to 2 feet (30 to 60 cm). The flowers can grow up to 12 to 18 inches (30 to 45 cm) in height, creating an impressive display of color when in bloom.

Season and Temperature

African Lily ‘Northern Star’ is a hardy plant that can tolerate a wide range of temperatures and climates. It grows best in full or partial sun and can withstand both hot and cold conditions, making it suitable for planting in various regions.


Pruning is essential for maintaining the shape and size of your Agapanthus ‘Northern Star’ plant. Remove dead, damaged, or diseased leaves and stems as needed throughout the growing season. After the plant has finished flowering, cut back the flower stalks to the base to encourage new growth and maintain a tidy appearance.


The African Lily ‘Northern Star’ produces showy, blue-violet flowers on tall, slender stems during the summer months, making it an excellent addition to your garden for a burst of color.


Agapanthus ‘Northern Star’ is relatively pest-resistant, but it is essential to keep an eye out for common garden pests such as aphids, snails, and slugs. Treat any infestations promptly to prevent damage to your plant.


This beautiful plant is not only visually appealing but also attracts a variety of beneficial wildlife, including birds, butterflies, and hummingbirds. Additionally, it is deer and rabbit resistant, as well as salt-tolerant, making it an excellent choice for coastal gardens.

Garden Styles

African Lily ‘Northern Star’ is versatile and can be incorporated into various garden styles, such as city and courtyard gardens, coastal gardens, gravel and rock gardens, and Mediterranean gardens. It can be planted in beds and borders, used as edging, or grown in patio containers and wall-side borders.

Companion Plants

Agapanthus ‘Northern Star’ pairs well with a variety of companion plants, such as lavender, rosemary, salvia, and ornamental grasses, which can help to create a visually stunning and harmonious garden display.

Frequently Asked Questions

Is Agapanthus ‘Northern Star’ toxic to pets?
While Agapanthus species are not considered highly toxic, they can cause mild gastrointestinal upset if ingested by pets, primarily cats and dogs. It is best to keep pets away from the plant as a precaution.

Can I grow Agapanthus ‘Northern Star’ in a container?
Yes, this plant can be grown in a container, making it an excellent choice for adding height and color to your patio or balcony. Ensure that the container has proper drainage and is filled with well-draining soil, and always water the plant regularly to maintain moist soil.

How often do I need to divide my Agapanthus ‘Northern Star’?
Dividing your plant every three to four years can help promote healthy growth and ensure a more abundant flower display. The best time to divide your Agapanthus is in the early spring or late summer.


In conclusion, Agapanthus ‘Northern Star’ is a versatile and stunning plant that can add a touch of tropical elegance to your garden. With its vibrant, showy flowers, and easy-to-care-for nature, this African Lily variety is an excellent choice for gardeners of all skill levels. By following the caring tips and information provided in this article, you will be well on your way to enjoying a beautiful and thriving Agapanthus ‘Northern Star’ in your garden for years to come.

Martin Duran

Hey y'all! My name is Martin Duran and I am from Cali, Colombia. Since 2018 I have been learning about plants and how to take care of them. Here's is my journey... “The clearest way into the Universe is through a forest wilderness.” ― John Muir

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