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Public Plant Profile

Royal Duet Blue Holly

Ilex x meserveae 'Blue Prince' & 'Blue Princess' (Royal Duet)

Category: Evergreen Shrub • Holly

Royal Duet Blue Holly offers evergreen beauty and attractive berries, perfect for foundation planting and screening.

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Mature Height: 4-6 feet

Mature Width: 3-5 feet

Light: Sun

Zone: Zones 5-9

Maintenance: Moderate

Growth Rate: Moderate

Season of Interest: Multi-season

Foliage: Evergreen

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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

Royal Duet Blue Holly is a hybrid holly known for its attractive blue-green foliage and bright red berries. It is a popular choice for hedges and foundation plantings.

Ideal Conditions

Prefers full sun to partial shade and well-drained soil. Tolerates a range of moisture levels.

Soil Preferences

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

Sun Needs

Sun

Watering Needs

Water regularly, especially during dry spells, to maintain soil moisture.

Pruning Notes

Prune in late winter or early spring to maintain shape and remove dead wood.

Fertilizing Notes

Fertilize in early spring with a balanced fertilizer to promote healthy growth.

Common Issues

Watch for pests like spider mites and scale; also susceptible to leaf spot.

Landscape Guidance

Landscape Use

foundation plantingspecimenscreening

Special Features

Evergreen foliageattractive berrieswildlife-friendly

Wildlife Value

Attracts birds and provides habitat.

Resistance / Tolerance

Drought tolerant once established.

Notes from Our Designer

Great for creating privacy screens or as a focal point in gardens. Pair with other hollies for enhanced visual interest.

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Design Ideas Using This Plant

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Helpful Next Steps

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Frequently Asked Questions

Is Royal Duet Blue Holly 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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