American bluehearts (Buchnera americana)

American bluehearts

Also known as: Bluehearts

American bluehearts are found in almost a dozen states in the U.S. and in one small area in Ontario, Canada. Buchnera americana is a partially parasitic plant that can grow on its own but does best when siphoning nutrients from another host plant. The showy purple flowers are well-loved by many different pollinators.

Scientific classification

Species

American bluehearts (Buchnera americana)

Mints plantains olives and allies

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Perennial, Annual, Biennial

Lifespan

Herb

Plant Type

Spring, Summer, Fall

Bloom Time

40 cm to 80 cm

Plant Height

30 cm

Spread

20 - 38 ℃

Ideal Temperature

Images of American bluehearts

Distribution of American bluehearts

Distribution Map

American bluehearts is native to the New World tropics, encompassing parts of Central America and the northern region of South America. Over time, its range has expanded across these tropical zones, thriving in warm and humid environments, yet avoiding a foothold in areas outside these climatic conditions.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Along the edges of wet depressions, limestone glades, prairies, moist sandy soils, open woods

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for American bluehearts

Every week

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Water: American bluehearts thrives in moist conditions and requires consistent hydration, preferring evenly moist soil. It should be watered weekly to maintain moisture levels. Primarily cultivated outdoors, american bluehearts is well-suited for temperate climates that align with its natural precipitation patterns.

Fertilize: For optimal growth, american bluehearts requires balanced nutrition fertilizers with equal NPK ratios applied quarterly during the growing season. In winter, reduce frequency. Always water american bluehearts post-fertilization to enhance nutrient absorption and prevent root burn. Regular fertilization increases american bluehearts's vigor and pest resistance.

Pruning: American bluehearts features vibrant blue flowers and benefits from pruning from early to late spring. Removing dead or damaged stems enhances airflow and promotes new blooms, while clean, sharp tools ensure precise cuts. Regular pruning supports overall health and flowering potential.

Propagation: American bluehearts is best propagated by sowing seeds in well-draining soil with steady moisture. Provide adequate sunlight and maintain a consistent temperature for germination. Lightly cover seeds to protect them while allowing light in. Keep soil moist to avoid seed rot, and thin seedlings once they emerge.

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