Geranium pratense ‘Boom Chocolatta’ (Cranesbill)

Geranium pratense ‘Boom Chocolatta’ is a striking perennial plant known for its unique foliage and flowers, adding depth and contrast to garden landscapes.

Geranium pratense ‘Boom Chocolatta’: An In-depth Look

‘Boom Chocolatta’ features rich, dark bronze foliage and vibrant blue-purple flowers. The contrast between the dark leaves and bright blooms makes it a standout in any garden setting.

Native: This cultivar belongs to the Geranium pratense species, which is native to Europe and parts of Asia.

Plant Type and Habit: It is a herbaceous perennial with a clumping, mounded growth habit. This plant is valued for both its foliage and floral display.

Size: The plant typically reaches around 24-26 inches in height (60-65 cm) and can spread up to 28-30 inches (70-75 cm), forming a sizable clump.

Flowers: ‘Boom Chocolatta’ produces striking blue-purple flowers with veined petals, adding a splash of color against the dark foliage.

Bloom Time: It typically blooms in early to late summer, offering a season of vibrant color.

Foliage: The deep, chocolate to burgundy leaves are deeply lobed and provide a striking backdrop for the bright flowers.

Uses: Ideal for borders, cottage gardens, and mixed beds. Its unique coloring makes it a popular choice for adding contrast and interest.

Hardiness: It is hardy in USDA zones 4-8, showing a good range of cold tolerance.

Wildlife: The flowers attract pollinators such as bees and butterflies.

Toxicity: Geraniums, including this variety, are not known to be toxic and are generally considered safe around pets and humans.

Deer and Rabbit: It is generally resistant to deer and rabbits, thanks to its fuzzy leaves.

Drought: While it prefers consistent moisture, ‘Boom Chocolatta’ can tolerate short periods of drought once established.

Invasiveness: This cultivar is not considered invasive and typically stays contained within its planting area.

Benefits: Apart from its aesthetic appeal, it provides ecological benefits by attracting pollinators. It’s also relatively low maintenance and adaptable to various garden settings.

Cranesbill Growing Tips

Light: Prefers full sun to partial shade. Adequate sunlight promotes better flowering and foliage color.

Soil: Thrives in well-drained, fertile soil. Tolerates a range of soil types but prefers a neutral to slightly alkaline pH.

Water: Regular watering is important, especially during dry spells. This plant prefers consistently moist soil but not waterlogged conditions.

Fertilizer: Apply a balanced, all-purpose fertilizer in early spring to encourage robust growth. Avoid over-fertilizing, which can lead to excessive foliage at the expense of flowers.

Pruning: Deadhead spent flowers to encourage additional blooming. Cut back foliage in late fall or early spring to promote fresh growth and maintain plant shape.

Propagation: Easily propagated by division in spring or fall. Can also be grown from seed.

Pests and Diseases: Generally resistant to pests and diseases. Watch for slugs, snails or capsid bugs. Downy mildew or powdery mildew may occur. Good air circulation and proper spacing can help prevent fungal issues.