large beardtongue (Penstemon grandiflorus) plant — close-up photo
Easy to grow

large beardtongue

Penstemon grandiflorus

Overview

Large beardtongue (Penstemon grandiflorus) is an ornamental perennial shrub native to the Southern United States. It is deciduous, bearing spikes of vivid lavender or purple tubular flowers on upright stems. The flowers attract bees and butterflies, while the spiny, gray-green leaves add a rugged contrast. It prefers well-drained soil and full sun and can handle dry conditions, making it a versatile and attractive addition to gardens as a border plant or in a container. With minimal care, it can thrive for years and make an interesting statement in any outdoor setting.

Care Guide

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Watering

Minimum — every "7-10" days.

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Light

Full sun.

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Temperature

Hardiness zone 3-9.

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Pruning

Best pruned in June, July, August, December, January, February, March, April, May, August.

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Propagation

Seed Propagation, Division, Cutting, Layering Propagation, Grafting Propagation

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