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Public Plant Profile

Red Pillar® Althea

Hibiscus syriacus 'GFNHSRP' (Red Pillar®)

Category: Deciduous Shrub • Althea

Discover the Red Pillar® Althea, a stunning hibiscus with drought tolerance and beautiful blooms.

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Mature Height: 4-6 feet

Mature Width: 3-4 feet

Bloom Color: Red

Bloom Time: Summer

Light: Sun

Zone: Zones 5-9

Maintenance: Low

Growth Rate: Moderate

Season of Interest: Summer

Foliage: Deciduous

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Bold Outdoors Verified Insight

Designed & Reviewed by

Josh Graber

Owner and Landscape Designer · Kansas State University · 25+ Years Experience

B.S. in Horticulture and Landscape Design – Kansas State University

25+ years of industry experience

Description

Red Pillar® Althea is a compact, upright shrub known for its striking red flowers. It blooms profusely throughout the summer, attracting pollinators and adding vibrant color to gardens.

Ideal Conditions

Prefers full sun and well-drained soil. Tolerates drought once established.

Soil Preferences

Well-drained soil with moderate moisture; adaptable to various pH levels.

Sun Needs

Sun

Watering Needs

Water regularly until established; then, it requires moderate watering.

Pruning Notes

Prune in late winter or early spring to maintain shape and encourage new growth.

Fertilizing Notes

Apply a balanced fertilizer in early spring to promote healthy growth.

Common Issues

May face issues with aphids, spider mites, and occasional root rot in poorly drained soils.

Landscape Guidance

Landscape Use

specimenfoundation planting

Special Features

Attractive flowersdrought-tolerant

Wildlife Value

Attracts pollinators and provides habitat.

Resistance / Tolerance

Drought tolerant once established.

Notes from Our Designer

Great for adding vertical interest. Can be used to create a colorful focal point.

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Design Ideas Using This Plant

Use this page to get a feel for where Red Pillar® Althea may fit in the landscape, then explore similar plants below for more ideas on form, texture, and overall planting style.

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Helpful Next Steps

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Frequently Asked Questions

Is Red Pillar® Althea a good fit for Kansas City landscapes?

That depends on sun exposure, moisture, spacing, and how the plant will be used in the overall design. Bold Outdoors evaluates those practical conditions before recommending a plant broadly.

How should homeowners use this plant information?

Use the plant profile as a planning tool for size, conditions, and visual role, then connect it to the broader landscape design and installation plan for the property.

Next Step

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