Nanho Blue Butterfly Bush

• David's Butterfly Bush in Lavender Blue**

A dream in shades of purple – the variety "Nanho Blue" of Buddleja davidii is the queen in terms of its blooming splendor. That’s why we’ve chosen it as our Plant of the Month. The name Buddleja is dedicated to the botanist Adam Buddle. Buddleja is more commonly known by its German name, Sommerflieder (summer lilac).

The addition of "davidii" refers to Jean Pierre Armand David, a French monk sent to China in the mid-19th century. Contrary to his original mission, he made significant contributions to European plant and animal life through his observations and collections. He is honored in many ways, such as in the David's deer, Armand pine, the handkerchief tree (Davidia involucrata), and our Plant of the Month, Buddleja davidii "Nanho Blue".

It is perfect for gardening beginners and those with little time. It grows quickly, enjoys sunny and dry conditions, and with a maximum height of 200 cm, it remains quite manageable. With its drooping flower spikes, it reaches a width of about 100-150 cm, making it ideal for pots on terraces or balconies.

"Your butterflies come, oh come all"

Summer lilac (Buddleja davidii) is often confused with common lilac (Syringa). By chance, they have similar flower clusters and a similar strong attraction for pollinating insects. However, botanically, they are not related. Syringa blooms in May and June, while Buddleja flowers start in July. A more memorable name than the confusing "summer lilac" is the alternative name: butterfly bush.

Its flowers seem to be made for butterflies and other fluttering creatures with sucking proboscises: long, narrow flower tubes, delicious nectar, and an enticing scent.

A Floral Frenzy Until Autumn

The butterfly bush starts showing off abundantly and colorfully from July – and exuberantly. Some people love it, especially the butterflies, while others are annoyed because the lilac, if left unkempt, tends to overshadow surrounding plants. Therefore, Buddleja davidii should be pruned back in spring, or even better, late winter – boldly. This strengthens the flower growth and prevents uncontrolled spreading. Additionally, the withered flower clusters should be removed. Instead of forming seeds, the plant is encouraged to form new flower buds. After a few weeks, this results in a vibrant purple sea of flowers in the autumn.