Overview
Penstemon hartwegii 'Albus' is a clump forming herbaceous perennial in the genus Penstemon, part of the Plantaginaceae family, with semi evergreen foliage. It typically grows around 0.5-1 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Penstemon hartwegii 'Albus' grows best in full sun and partial shade, and tolerates most soils and any pH.
About
Penstemon hartwegii 'Albus' is a clump-forming herbaceous perennial belonging to the genus Penstemon in the Plantaginaceae family. It features semi-evergreen foliage and grows to a height of 0.5 to 1 metre with a spread of 0.1 to 0.5 metres, reaching full height within 2 to 5 years. This cultivar thrives in well-drained soils including chalk, loam, and sand, across a range of pH levels from acid to alkaline. It prefers full sun to partial shade and is best suited to sheltered positions facing west, south, or east. It provides seasonal interest throughout spring, summer, autumn, and winter.
About the genus
Penstemon, the beardtongues, is a large genus of roughly 280 species of flowering plants native to North America from northern Canada to Central America. It is the largest genus of flowering plants endemic to North America. As well as being the scientific name, penstemon is also widely used as a common name for all Penstemon species alongside beardtongues.
Wikipedia contributors, "Penstemon", CC BY-SA 4.0 — Penstemon
Growing conditions
Best soil and position for Penstemon
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- West-facing, South-facing, East-facing
- Exposure
- Sheltered
Plant details
Penstemon hartwegii 'Albus' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Semi evergreen
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
Frequently asked questions
Where is the best place to plant Penstemon hartwegii 'Albus'?
Penstemon hartwegii 'Albus' prefers full sun and partial shade. It suits sheltered positions.
What soil does Penstemon hartwegii 'Albus' need?
Penstemon hartwegii 'Albus' is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
How big does Penstemon hartwegii 'Albus' grow?
Penstemon hartwegii 'Albus' reaches a height of 0.5-1 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.
More in the Penstemon genus
- Penstemon 'Raven'Beardtongues
- Penstemon campanulatusbellflower beardtongue
- Penstemon campanulatus 'Andenken an Hahn'Penstemon
- Penstemon campanulatus 'Evelyn'Beardtongue
- Penstemon campanulatus 'Garnet'Penstemon
- Penstemon campanulatus 'Hidcote Pink'Beardtongue
- Penstemon campanulatus 'Pink Endurance'Beardtongue
- Penstemon cyananthusBlue Penstemon
