perennial

Beardtongue Rondo

Penstemon barbatus 'Rondo'

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Essentials

At a Glance

Plant Type

Perennial

Height

18 inches

Width

12 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Low to moderate

Humidity

Prefers dry to moderate humidity

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Penstemon barbatus 'Rondo' is a perennial with upright, branching stems, producing clusters of tubular flowers in a mix of colors, and narrow green leaves, attracting pollinators throughout the growing season. This cultivar is distinguished by its compact growth habit and intense, consistent red flower color, making it ideal for small borders and pollinator gardens.

Bloom Period:

EarlyLate

Uses & Benefits:

Vivid tubular flowers attract pollinators and add vibrant color to borders.

Drought-tolerant and low-maintenance, ideal for water-wise gardens.

Supports native pollinators and beneficial insects.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck seeds shallowly into well-draining soil in spring.
Mist cuttings regularly to maintain humidity.
Fertilize lightly in early spring with a balanced fertilizer.
Transplant seedlings after last frost, about 6 weeks later.
Divide clumps every 2-3 years in early spring.
Mulch around plants to conserve moisture during summer.

Pro Tip

Ensure excellent drainage to prevent root rot; avoid overwatering.

Keep It Thriving

Care Guide

Do

Water deeply during dry spells 🌱
Prune after flowering to encourage bushiness
Fertilize in early spring with a balanced fertilizer
Mulch to retain moisture and suppress weeds

Don't

Overwater, which can cause root rot ❌
Allow soil to become waterlogged
Skip pruning after flowering
Use heavy clay soil without amendment

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Mulch
Pest Check
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid border with tubular red flowersDrought-tolerant rock garden accent

Companion Plants

Lavender Sedum Yarrow Salvia Coreopsis

Multiply

Propagation Methods

Good to Know

Common Questions

Beardtongue Rondo questions

What zones can Beardtongue Rondo grow in?

Beardtongue Rondo is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Beardtongue Rondo deer resistant?

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

When does Beardtongue Rondo bloom?

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

Does Beardtongue Rondo need full sun?

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

Is Beardtongue Rondo drought tolerant?

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