Nuttall's dwarf morning glory

Nuttall's dwarf morning glory (Evolvulus nuttallianus Roem. & Schult.) is a perennial herbaceous plant belonging to the Convolvulaceae family. Unlike many other members of this family, it does not exhibit vining habits, maintaining a low-growing, upright, or spreading stature that makes it a distinct member of prairie flora.

The species is native to the central and western parts of North America, where it thrives in open, arid environments. It is well-adapted to habitats with rocky, sandy, or shallow soils, showing remarkable resilience to the fluctuating moisture levels characteristic of its native plains and grasslands.

Botanically, the plant is distinguished by its dense silvery trichomes on foliage, which serve as an effective mechanism against excessive heat and water loss. The flowers are small, funnel-shaped, and usually bloom in shades of blue or white, providing essential nectar for local pollinators during the spring and summer months.

Cultivation requirements involve full sun exposure and extremely well-draining soil. This species is poorly suited for rich, water-retentive garden soils, as it easily succumbs to root rot when subjected to persistent moisture. It is best placed in rock gardens or xeriscapes where conditions mimic its natural arid environment.

The economic value of this plant lies primarily in ecological restoration and sustainable landscaping. Due to its hardiness, it is an excellent candidate for erosion control on dry, sloped terrain where traditional crops would fail. It remains relatively free of significant pests, making it a low-maintenance option for biodiversity projects.

• Member of the Convolvulaceae family.
• Displays high drought tolerance.
• Requires excellent soil drainage.
• Ideal for xeriscaping and erosion control.