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Serving the Kansas City Metro for over 25 Years 913-585-5851 [email protected]
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Globemaster Allium

Allium 'Globemaster'

Category: Perennial • Allium

Globemaster Allium features stunning globe-shaped flowers, perfect for borders and mass plantings.

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Mature Height: 24-36 inches
Mature Width: 1 foot
Bloom Color: Purple
Bloom Time: Late spring to early summer
Light: Sun
Zone: Zones 4-9
Maintenance: Low
Growth Rate: Moderate
Season of Interest: Spring
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

Globemaster Ornamental Onion features stunning, large spherical clusters of purple flowers that bloom in late spring to early summer. This striking perennial adds a unique touch to gardens and is perfect for borders or as a focal point. Its tall stems create an impressive display, attracting pollinators and enhancing garden aesthetics.

Ideal Conditions

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

Soil Preferences

Requires good drainage and can adapt to various soil types. Prefers neutral to slightly alkaline pH.

Sun Needs

Sun

Landscape Guidance

Landscape Use

specimenbordermass planting

Special Features

Large globe-shaped flowersattracts pollinators

Wildlife Value

Attracts pollinators and provides nectar.

Resistance / Tolerance

Drought tolerant.

Notes from Our Designer

Best planted in groups for a striking visual impact. Ideal for adding height to garden beds.

Maintenance Notes

Low

Complementary Plants

Plants That Pair Well in the Landscape

Selected using botanical relationships, growing conditions, color harmony, size, texture, season, and landscape use.

What Clients Say

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“I have had great experiences with Bold Outdoors. Josh designed our home's landscaping and has been a valued partner for the past 7 years as we have added to and maintained our home's landscaping.”

Bill C.

★★★★★

“Bold Outdoors has provided the highest quality professional landscape design, installation and after installation services at my residence.”

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Helpful Next Steps

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Frequently Asked Questions

Is Globemaster Allium 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.

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 plan.

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