Agapanthus
Agapanthus
Agapanthus
A graphic perennial for terraces and orangery pots, blue, upright and distinctly summery.
Checked by the editorial team – Updated July 2026
Agapanthus (Agapanthus) is a perennial in the Amaryllidaceae family. It is mainly grown in partial shade, sun, in moist, neutral, ordinary, chalky soil, with a mature size around 0,15 m to 1,5 m. Its blue, white, violet, Noir flowering and hardiness to -20 deg C make it a plant to match carefully with place and purpose.
Botanical identity card
Gardener calendar
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Planting | ||||||||||||
| Flowering | ||||||||||||
| Leaf season | ||||||||||||
| Care |
With agapanthus, refinement is not rarity but accuracy: the right place first, then the quiet gesture. For shrub habit, balcony, specimen, a well-trained plant is worth more than a forced one.
– Les Jardins d’un Chatelain
Portrait
A graphic perennial for terraces and orangery pots, blue, upright and distinctly summery.
In a character garden, agapanthus is first used to build a scene: shrub habit, balcony, specimen, border, rock garden. The position should be chosen before purchase, because the plant performs better when light, soil and mature size agree.
The reference record points to partial shade, sun and moist, neutral, ordinary, chalky soil. Respecting that match is the quiet economy of good gardening: fewer corrections, less water and cleaner pruning.
Notable varieties
| Variety or form | Useful character | Garden situation |
|---|---|---|
| Agapanthus africanus ‘Albus’ | white – shrub habit – 0,15 m to 0,5 m | shrub habit, container, balcony |
| Agapanthus africanus ‘Blanche’ | white – shrub habit – 0,5 m to 1 m | shrub habit, balcony, specimen |
| Agapanthus africanus ‘Bleue’ | blue – shrub habit – 0,15 m to 0,5 m | shrub habit, container, balcony |
| Agapanthus africanus ‘Blue Jeans’ | blue – shrub habit – 0,5 m to 1 m | shrub habit, container, balcony |
| Agapanthus africanus ‘GRAPHITE Blue’ | blue – shrub habit – 0,5 m to 1 m | shrub habit, container, balcony |
| Agapanthus africanus ‘GRAPHITE White’ | white – shrub habit – 0,5 m to 1 m | shrub habit, container, balcony |
The Chatelain Method
Observe
Give sun, drainage and a slightly tight container.
Diagnose
Few flowers often mean low heat or excess nitrogen.
Correct
Feed in spring and water pots regularly.
Prevent
Protect the crown from severe frost.
Frequently asked questions
When should Agapanthus be planted?
Use the calendar above as the first guide. Outside frost, heatwaves and waterlogged soil, planting works best while the ground is cool and workable.
Which exposure is best?
Agapanthus prefers partial shade, sun. In hot climates, shelter from the harshest sun reduces stress.
What soil does it need?
The reference data points to moist, neutral, ordinary, chalky soil. Improve the planting hole before planting rather than correcting later.
Is Agapanthus hardy?
Available data indicates hardiness down to -20 deg C, to be adjusted for wind, winter wet and plant age.