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Cynoglossum germanicum
Cynoglossum germanicum
Cynoglossum germanicum
Cynoglossum germanicum

Cynoglossum germanicum

TAXONOMY

FamilyBoraginaceae
GenusCynoglossum
Zone6

ABOUT

Cynoglossum germanicum, commonly known as German Hound's Tongue, is a biennial plant in the Boraginaceae family. It is native to temperate regions and typically found in woodlands and meadows. The plant has a rosette of leaves in its first year and flowers in its second year. It is known for its hairy leaves and clusters of small, blue flowers.

ALSO KNOWN AS

German Hound's-Tongue
Cynoglossum germanicum subsp. pellucidum
Cynoglossum germanicum subsp. rotundum
Cynoglossum haenkei
Cynoglossum pellucidum
Cynoglossum rotundum
Cynoglossum sylvaticum

OVERVIEW

WaterMoist
SoilLoamy
LightIndirect Bright (6 Hours)
Temperature18° C
Humidity60%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

DETAILS

Care Instructions
Cynoglossum germanicum prefers moderate temperatures and indirect bright light. It thrives in environments with moderate humidity and should be watered when the soil partially dries out. The plant is best suited for outdoor growth in temperate climates.
Soil
This plant prefers loamy soil with good drainage. The soil should be kept moderately moist but not waterlogged. A slightly acidic to neutral pH is ideal for optimal growth.
Fertilizer
Use a balanced fertilizer with a nutrient composition of 5-10-10. Fertilize the plant during the growing season to support its development, but avoid over-fertilizing.
Repotting
Repotting is generally not necessary for Cynoglossum germanicum as it is a biennial plant. However, if grown in containers, repotting can be done in the early spring before the growing season begins.
Propagation
Cynoglossum germanicum can be propagated by seeds. Sow the seeds in the spring or early summer. Ensure the soil is kept moist until germination occurs.
Pruning
Pruning is not typically required for this plant. However, removing spent flowers can help maintain its appearance and encourage further blooming.
Toxicity
Cynoglossum germanicum is toxic to pets and humans. All parts of the plant contain pyrrolizidine alkaloids, which can cause liver damage if ingested. Handle with care and keep away from children and pets.
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