Penstemon cobaea
TAXONOMY
FamilyPlantaginaceae
GenusPenstemon
Zone5
LEARN MORE
Plants of the World OnlineABOUT
Penstemon cobaea, commonly known as Cobaea beardtongue, is a perennial plant native to the central United States. It belongs to the family Plantaginaceae and the genus Penstemon. This plant is known for its large, tubular flowers that can range in color from white to purple. It thrives in temperate climates and typically enters a dormancy period during the winter months.
ALSO KNOWN AS
Low Beardtongue
Cobaea beardtongue
Low penstemon
Penstemon hansonii
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Penstemon cobaea requires bright, direct sunlight for optimal growth. It prefers moderate temperatures and moderate humidity levels. Water the plant when the soil has dried out almost completely, but avoid waterlogging. Regular pruning helps maintain its shape and encourages new growth.Soil
This plant prefers well-draining loamy soil. Ensure the soil has good drainage to prevent root rot. A slightly acidic to neutral pH is ideal for Penstemon cobaea.Fertilizer
Use a balanced fertilizer with a nutrient composition of 5-10-10. Fertilize the plant during the growing season to promote healthy growth and flowering. Avoid over-fertilizing, as this can harm the plant.Repotting
Repot Penstemon cobaea when it outgrows its current container or when the soil becomes compacted. Choose a slightly larger pot with good drainage. Repotting is best done in the early spring before the growing season begins.Propagation
Penstemon cobaea can be propagated through seeds or cuttings. For seed propagation, sow the seeds in a well-draining soil mix in the spring. For cuttings, take a healthy stem cutting and root it in a moist, well-draining medium.Pruning
Prune Penstemon cobaea after the flowering season to remove spent flowers and encourage new growth. Regular pruning helps maintain the plant's shape and promotes a bushier appearance.Toxicity
Penstemon cobaea is not known to be toxic to pets or humans. However, it is always advisable to keep plants out of reach of pets and children to prevent any accidental ingestion.Additional
Penstemon cobaea is a hardy plant that can tolerate a range of conditions, making it suitable for various garden settings. It attracts pollinators such as bees and butterflies, making it a great addition to a pollinator-friendly garden.REVOLUTIONIZE YOUR PLANT CARE
Make Every Plant Smart
Plant Monitor
STAYS IN YOUR PLANT
Accurately measures the core metrics of your plant – soil moisture, light, temperature and humidity - as well as compound metrics such as Vapor Pressure Deficit (VPD) and Growing Degree Days (GDD).
Shop Now
