Baptisia Carolina Moonlight - False Indigo

Baptisia 'Carolina Moonlight', also known as yellow false indigo, is a hybrid perennial that loves the sun and thrives even in poor soil. This recent cultivar is distinguished by its spectacular spring flowering; its pea-shaped flowers, a soft and pure buttery yellow, are arranged along tall spikes that stand out against a clover-like, bluish-green and finely cut foliage, which remains interesting even outside of the flowering season. This beautiful perennial is ideal in borders, in a romantic or natural garden. It is also a hardy, undemanding, and drought-resistant plant once established. It can be grown in full sun, in well-drained acidic or neutral soil, even poor soil.

Baptisia 'Carolina Moonlight' is a perennial plant belonging to the Fabaceae family, resulting from the hybridization of Baptisia sphaerocarpa, native to the southern United States, and Baptisia alba, a tall and long-lived perennial, native to the central and northeastern parts of this continent. All Baptisias grow naturally in meadows and woods, among tall grasses, without much care, perfectly tolerating frost and dry summers.

The 'Carolina Moonlight' variety forms a large bushy clump reaching 80cm (32in) to 1.10m (4ft) in all directions. Flowering takes place in May-June, in the form of numerous butterfly-like flowers on spikes, a bright buttery yellow, measuring 45 to 50cm (18 to 20in) in length. The foliage, which disappears in winter, is also very ornamental as it sways in the wind. It is composed of leaves divided into three rounded leaflets, resembling those of alfalfa or clover. This plant develops from a particular root system, which dives very deeply into the soil to extract and transform nutrients thanks to the presence of symbiotic bacteria lodged in small nodules. Like all fabaceae, this baptisia contributes to enriching the soil that hosts it.

Baptisias are close cousins of lupins, which are much better known in Europe, but they are much less demanding in terms of moisture, although they share a preference for acidic soils. They have very robust roots that allow them to live long in our gardens, but they take time to establish.  A truly versatile plant, the yellow false indigo 'Carolina Moonlight' will find its place in a romantic garden, a dry garden, or in natural areas. It is also useful for decorating a degraded piece of land, which often surrounds a recently built house. It looks stunning alongside roses, Camassia leichtlinii 'Alba Semiplena', Eremurus himalaicus, or Allium bulgaricum. It also pairs well with purple foxgloves or hybrid mulleins, which are equally spectacular.

The vernacular name 'false indigo' comes from the use that some Native American peoples made of these dye plants. Indeed, they provide dye pigments comparable to those of true indigos (of the genus Indigofera), but of lesser quality.