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Penstemon hartwegii
Penstemon hartwegii
Penstemon hartwegii
Penstemon hartwegii

Penstemon hartwegii

TAXONOMY

FamilyPlantaginaceae
GenusPenstemon
Zone8

ABOUT

Penstemon hartwegii, commonly known as Hartweg's Beardtongue, is a subshrub or shrub native to subtropical regions. It belongs to the family Plantaginaceae and the genus Penstemon. This plant is known for its vibrant tubular flowers that attract hummingbirds and other pollinators. It typically undergoes a dormancy period during the cooler months.

ALSO KNOWN AS

Hartweg's penstemon
Penstemon giganteus
Penstemon puniceus

OVERVIEW

WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

DETAILS

Care Instructions
Penstemon hartwegii thrives in bright, direct sunlight and prefers moderate temperatures. It should be watered when the soil has dried out almost completely. This plant enjoys moderate humidity levels and should be protected from extreme cold. Regular pruning helps maintain its shape and encourages new growth.
Soil
Penstemon hartwegii prefers well-draining loam soil. It is important to ensure that the soil dries out between waterings to prevent root rot. A soil mix that includes sand or perlite can improve drainage.
Fertilizer
A balanced fertilizer with an N-P-K ratio of 10-10-10 can be applied during the growing season. Fertilize every 4-6 weeks to support healthy growth and flowering.
Repotting
Repot Penstemon hartwegii every 2-3 years or when it outgrows its container. Choose a slightly larger pot with good drainage. Gently remove the plant from its current pot, loosen the roots, and place it in the new pot with fresh soil.
Propagation
Penstemon hartwegii can be propagated through seeds or cuttings. For cuttings, take a healthy stem cutting in the spring or early summer, dip it in rooting hormone, and plant it in a well-draining soil mix. Keep the soil moist until roots develop.
Pruning
Prune Penstemon hartwegii after flowering to remove spent blooms and encourage new growth. Cut back any dead or damaged stems to maintain the plant's shape and health.
Toxicity
Penstemon hartwegii is not known to be toxic to pets or humans. However, it is always a good practice to keep plants out of reach of pets and children to avoid any accidental ingestion.
Additional
To encourage a bushier growth habit, pinch back the tips of young plants. Mulching around the base of the plant can help retain soil moisture and suppress weeds.
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How To Grow Penstemon hartwegii | EarthOne