Species

Penstemon barbatusScarlet Beardtongue

4 other cultivars

perennialN. America Native

Coccineus Scarlet Beardtongue

Penstemon barbatus 'Coccineus'

The Story

Plant Bio

Penstemon barbatus 'Coccineus' is known for its tubular red flowers that attract hummingbirds and its sturdy, upright growth habit.

This cultivar is particularly valued for its vibrant flower color and ability to thrive in hot, dry conditions.

Uses & Benefits:

Vibrant red flowers attract hummingbirds and add striking color to gardens.

Drought-tolerant and low-maintenance, ideal for xeriscaping.

Supports pollinators like bees and hummingbirds.

SpeciesPenstemon barbatusScarlet Beardtongue

Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Low to moderate

Humidity

Average

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic to humans and pets

Bloom period

Early summer – Late summer

In flower about 3 months of the year

Planting

How to Grow

Select a sunny location with well-draining soil for planting.
Tuck seeds just below the soil surface and water gently.
Mist cuttings regularly to maintain humidity and encourage rooting.
Transplant seedlings after the last frost, typically in spring.
Mulch around plants to retain moisture and suppress weeds.
Fertilize lightly in early spring with a balanced fertilizer.

Pro Tip

Ensure excellent drainage to prevent root rot and promote healthy growth.

Keep It Thriving

Care Guide

Do

Water deeply during dry spells 🌱
Prune spent flowers to encourage more blooms
Apply a balanced fertilizer in early spring
Mulch to conserve moisture and regulate soil temperature

Don't

Avoid overwatering which can cause root rot ❌
Don't neglect pruning dead or damaged stems
Refrain from planting in heavy, poorly-drained soil
Avoid excessive fertilization that can lead to leggy growth

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid border plant with striking red flowersColorful rock garden accentDrought-tolerant garden edge

Companion Plants

SalviaLavender Coreopsis Gaillardia Echinacea

Multiply

Propagation Methods

Good to Know

Common Questions

Coccineus Scarlet Beardtongue questions

What zones can Coccineus Scarlet Beardtongue grow in?

Coccineus Scarlet Beardtongue is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Coccineus Scarlet Beardtongue deer resistant?

Yes — Coccineus Scarlet Beardtongue is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Coccineus Scarlet Beardtongue bloom?

Coccineus Scarlet Beardtongue typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Coccineus Scarlet Beardtongue need full sun?

Coccineus Scarlet Beardtongue does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Coccineus Scarlet Beardtongue drought tolerant?

Yes — once established (usually after the first full season), Coccineus Scarlet Beardtongue handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.