Agapanthus 'Albus' (Agapanthus africanus) - flowering perennial - 11 cm pot - Height 25 cm

The Albus Agapanthus (Agapanthus africanus) is indeed a perennial plant with fleshy rhizomes that regrows each year from the same rootstock. Unlike an annual, which completes its life cycle in a single season, the agapanthus lives for many years and gradually forms beautiful, increasingly floriferous clumps. Its foliage is deciduous in our temperate climates: it dies back in winter and regrows in spring. It is precisely this perennial nature that makes it a long-lasting garden investment, provided it is protected from winter frost in colder regions.

L'Agapanthus albus is classified as semi-hardy: it can withstand short, light frosts down'to around -5°C, but harsh winters will kill it if it i's not protected. When planted in the ground, a thick mulch of 10 to 15 cm around the base is sufficient in regions with mild winters (Brittany, the Atlantic coast, the Mediterranean). In continental or mountainous regions, it is best to grow it in a pot and move it into frost-free shelter between November and late March. Once frozen, the rhizomes will not regrow: winter protection is therefore essential to ensure the plant's survival.

Agapanthus albus blooms from June to August, sometimes into September depending on sunlight and warmth. Its large pure white umbels, borne on straight 60 to 80 cm stems, open progressively over several weeks, prolonging the decorative effect throughout the summer. The flowering is all the more generous when the plant enjoys maximum sunlight and well-drained soil. By removing the faded stems as they appear, it is sometimes possible to stimulate the growth of new stems and slightly prolong the flowering.

L'Agapanthus albus is an excellent candidate for container cultivation on a sunny terrace or balcony. Choose a container d'at least 30 cm in diameter with a mandatory drainage hole, and place a layer of clay pellets or gravel at the bottom. Use a horticultural potting mix enriched w'ith one-third pumice or coarse sand to ensure excellent drainage. Water regularly in summer, but let the substrate dry out slightly between waterings. I'n winter, move the container into a frost-free shelter (garage, conservatory), as roots exposed in a pot freeze more easily than th'oughground.

Yes, 'Agapanthus Albus is a real magnet for summer pollinators. Its large umbels of pure white star-shaped flowers produce abundant nectar and pollen, which primarily attract honeybees and wild bees, but also bumblebees, butterflies, and certain hoverflies. By blooming in the height of 'summer, a time that can sometimes be lean for pollinators, it provides a valuable food source. Adding a few 'Agapanthus Albus plants to a flower bed or terrace makes a practical contribution to supporting biodiversity in the garden, complementing other 'nectar-rich perennials in 'summer.

Clump division of 'Agapanthus albus' is the simplest and most reliable method of propagation. It is carried out in spring, as soon as new shoots appear at the base, generally between March and April. Carefully remove the clump from the soil or its pot, then separate the rhizomes by hand or with the 'help of a 'garden fork, taking care to leave a good root mass on each division. Replant immediately at the same depth, water thoroughly and maintain regular moisture during the first few weeks. A divided clump generally takes one season to establish before flowering profusely again.

W'White Agapanthus pairs beautifully with o'ther sun-loving perennials that bloom in summer. Its white umbels blend elegantly with lavender, ornamental sages (Salvia nemorosa), or blue-flowered perovskias, creating a striking graphic contrast. To play with textures, pair it with ornamental grasses such as Stipa tenuissima or miscanthus, whose fine foliage s'complements its ribbon-like leaves perfectly. In a container, it p'airs well with hardy geraniums or osteospermums.