Scientific: Glandularia pulchella (formerly Verbena pulchella, also known as V. tenera, V. tenuisecta, or V. pulchella gracilior)
Common: Moss verbena
Family: Verbenaceae
Origin: La Plata region of South Brazil

Pronounciation: Glan-du-LAR-ee-a pul-CHEL-la

Hardiness zones
Sunset
8-24 (summer annual in colder zones)
USDA 9-11 (summer annual in colder zones)

Landscape Use: Perennial border accent, edging plant, ground cover, rock garden, container and hanging baskets. Great when arranged in groups with individual planted about 3' on center.

Form & Character: Delicate herbaceous perennial often grown as an annual, graceful and soft.

Growth Habit: A low, prostrate, matting and spreading ground cover, unusually les than 4 to 6 inches in height, spreading to 3 feet.

Foliage/Texture: Foliage small, deeply cut, pinntified, gray green, to 1 inch long; fine texture.

Flowers & Fruits: Abundant upright clusters of rose violet, blue to magenta flowers on 2 to 4 inches stalks, fruit inconspicuous.

Seasonal Color: Flowers during much of the year in Phoenix.

Temperature: Tolerant of heat, susceptible to frost and freeze damage.

Light: Full sun to partial shade. Avoid intense western exposures.

Soil: Fast draining soils are preferred, sandy soils are best. In Phoenix, use decomposing granite as a landscape mulch when planting moss verbena.

Watering: Apply regular water in Phoenix especially during the summer months.

Pruning: Head or trim back lightly during lulls in flowering only as needed.

Propagation: Seed, cutting

Disease and pests: Susceptible to root rot in poorly drained and/or damp soils.

Additional comments: This is the best Glandularia species for Phoenix landscapes; a great colorful herbaceous perennial for small and medium size landscape spaces. It is often used as warm season annual. White and pink flowering cultivars are available. Intolerant of foot traffic.