PEN-steh-mon bar-BAY-tus. This erect perennial has basal rosettes and stems bearing lance-shaped mid-green leaves. The plant bears long panicles of scarlet or yellow flowers from early summer to early autumn. CareEasy to grow in fertile, well-drained soil and full sun to part shade.
Penstemon Barbatus Care
Penstemon Barbatus
What is the plant
humidity
High
lighting
Full Sun
temperature
13°C - 15°C
hardiness zone
2 - 9
difficulty
Medium
hibernation
Cold Period
How to Care for the Plant
Water
Water once established: Once or twice a month in light shade, or weekly in full sun. Soil: Well drained, dry, low organic content, pH 6.1-7.8 (slightly acidic to slightly alkaline).
Pruning
Prune penstemon vigorously in winter.
Fertilizer
Feed beardtongue plants once a year with an organic fertilizer, applied in the fall.
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Soil
Best grown in full sun in fertile, dry to medium moisture, well-drained soils. Tolerates almost any soils including dry soils. Drought tolerant once established.
Temperature
For the best quality, grow them with 24-hour average temperatures of 60-64¡ F. This can be obtained using consistent day and night temperatures or using cool nights (55-60¡ F) and warm days (65-70¡ F). At these temperatures, Pinacolada cultivars will reach flowering nine to 11 weeks after transplanting.
Additional
Penstemon 'Iron Maiden' has no toxic effects reported. Penstemon barbatus, commonly called southwestern penstemon, is native to rocky slopes and open woodlands from Utah and Colorado to Arizona, Texas and Mexico. It is a clump-forming perennial that typically grows 1.5-3' tall.
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Popularity
402 people already have this plant 50 people have added this plant to their wishlists
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