How to Grow Agapanthus Flowers

by | May 1, 2023 | Home & Garden

Agapanthus flowers are beautiful, tough, and easy to grow. They are perfect for adding a splash of color to your garden and make excellent cut flowers. The Agapanthus is a native of South Africa and belongs to the lily family (hence the name “African lily”). Many different species and cultivars are available, with flowers ranging from white to blue to purple.

The most common variety is Agapanthus africanus, which has deep blue flowers. If you’re looking for something a little different, try Agapanthus ‘Jubilee Gem’, which has variegated leaves and deep blue flowers. This blog post will focus on how to grow Agapanthus africanus, but the care requirements for all varieties are similar.

Guide on Growing Agapanthus Flowers

Below is a step-by-step guide on how to grow agapanthus flowers:

Planting Agapanthus Flowers

Agapanthus are best planted in the spring or fall. If planting in the summer, provide extra water to help the plant establish itself. Select a spot in your garden that gets full sun or partial shade. 

Agapanthus does well in areas with 6-8 hours of sunlight daily. Agapanthus will appreciate some afternoon shade if you live in an area with hot summers.

To plant, dig a hole twice the width and depth of the pot your agapanthus is currently in. Gently remove the plant from its pot and loosen the roots before placing it in the hole.

Backfill the hole with soil and water well.

You should not be worried about the soil type since agapanthus is not picky.

However, ensure the soil is well drained since Agapanthus does not tolerate soggy soil conditions. If you have heavy clay soil, consider mixing in some sand to improve drainage. Planting it in a terracotta pot if well-drained soil is not available is also an excellent option.

Caring for Agapanthus Flowers

Caring for agapanthus flowers should not be difficult if you live in warmer areas, and the plant requires minimal care and can even survive in poor soil conditions. However, there are a few things you should keep in mind when caring for your agapanthus flowers.

Once your agapanthus is planted, water it regularly (about once a week) until it’s established. Feed it twice with a general-purpose fertilizer; organic options include compost or manure tea during the growing season. Avoid high nitrogen and phosphorous fertilizers, which can encourage too much leaf growth at the expense of blooms.

Remove any faded blossoms to encourage more flowers. You can also cut the plant back by a third after flowering to tidy it up and keep it from becoming too leggy. Divide your agapanthus every few years (four years would be best) to keep it from becoming overcrowded.

Agapanthus is generally pest- and disease-free, but keep an eye out for aphids, scale, or whiteflies. These can be controlled with insecticidal soap or neem oil.

If your plant looks particularly stressed, it may be susceptible to fungal diseases such as root rot or powdery mildew. Treat with a sulfur-based fungicide if necessary.


Agapanthus flowers are beautiful, easy to grow, and make excellent cut flowers. With some care, you can have a thriving agapanthus garden of your own.

Follow the tips in this article, and you’ll be well on your way to success. Happy gardening!