Luminary® Ultraviolet Tall Garden Phlox
Phlox paniculata PP 33,607
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Luminary® Ultraviolet Tall Garden Phlox - #1 Container is backordered and will ship as soon as it is back in stock.
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- Prevents restricted plants from shipping to your state
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Delivery and Shipping
Delivery and Shipping
Delivery and Shipping
Fast, Safe Plant Delivery
Ships in 3-4 business days • Tracking provided • Weather protected
Under $50 | $9.99 |
$50 - $99.99 | $14.99 |
$100 - $149.99 | $16.99 |
$150+ | $24.99 |
✓ Zone-specific timing • ✓ Professional packaging • ✓ Health guarantee
Understanding Plant Options
Nature Hills offers plants in two main formats:
- Container Plants: Grown in pots with soil, sized by container volume and plant age
- Bare Root Plants: Dormant plants without soil, sized by height measurements
Container Plant Sizes
Container sizes indicate plant age and growing capacity rather than liquid volume equivalents. Our containers follow industry-standard nursery "trade gallon" specifications, which differ from standard liquid gallon measurements.
Young Plants (6 months to 18 months old)
Container Size | Actual Volume | Metric Equivalent |
---|---|---|
2" x 2" x 3" | 0.18 - 0.21 dry quarts | 0.20 - 0.23 dry liters |
4" Container | 0.31 - 0.87 dry quarts | 0.35 - 0.96 dry liters |
4.5" Container | 0.65 dry quarts | 0.72 dry liters |
6" Container | 1.4 dry quarts | 1.59 dry liters |
1 Quart | 1 dry quart | 1.1 dry liters |
5.5" Container | 1.89 dry quarts | 2.08 dry liters |
Established Plants (18 months to 2.5 years old)
Container Size | Actual Volume | Metric Equivalent |
---|---|---|
2 Quart | 2 dry quarts | 2.2 dry liters |
#1 Container | 2.26 - 3.73 dry quarts | 2.49 - 4.11 dry liters |
5" x 5" x 12" | 3.5 - 4.3 dry quarts | 3.85 - 4.74 dry liters |
Mature Plants (2-4 years old)
Container Size | Actual Volume | Metric Equivalent |
---|---|---|
#2 Container | 1.19 - 1.76 dry gallons | 5.24 - 7.75 dry liters |
#3 Container | 2.15 - 2.76 dry gallons | 8.14 - 12.16 dry liters |
Large Plants (3-5 years old)
Container Size | Actual Volume | Metric Equivalent |
---|---|---|
#5 Container | 2.92 - 4.62 dry gallons | 12.86 - 20.35 dry liters |
#6 Container | 5.25 - 6.01 dry gallons | 23.12 - 26.42 dry liters |
#7 Container | 5.98 - 6.53 dry gallons | 26.34 - 28.76 dry liters |
Bare Root Plants
Bare root plants are sold by height from the root system to the top of the plant. Plants may exceed minimum height requirements.
Common Sizes:
- Trees: 1 foot, 2 feet, 3 feet, 4 feet, 5 feet, 6 feet
- Shrubs & Perennials: 1 foot, 18 inches, 2 feet
Important Notes
Container Volume Specifications
- Trade Gallon Standard: Our containers follow industry-standard "trade gallon" specifications established by the American National Standards Institute (ANSI Z60.1) for nursery stock
- Volume Variations: Actual soil volume may vary due to plant root systems and growing medium settlement
- Age Indicators: Container size primarily indicates plant age and maturity rather than liquid volume equivalents
Growing Conditions
- Plant size can vary based on variety and growing conditions
- Container size helps indicate plant maturity and establishment level
- Larger containers generally mean more established root systems and faster landscape establishment
Seasonal Availability
- Bare root plants are available seasonally when dormant
- Container plants are available throughout the growing season
- Specific varieties may have limited availability in certain sizes
Questions?
For questions about specific plant sizes or availability, please contact our plant experts who can help you choose the right size for your landscape needs.
Plant Highlights
Luminary® Ultraviolet Tall Garden Phlox highlights at a glance!
Specifications
Specifications
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Brand
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Botanical Name
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Growing Zones
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Mature Height
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Mature Spread
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Sun ExposureFull Sun, Partial Shade
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Moisture
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Soil
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Growth RateMedium
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Flower Color
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Pollinator Friendly
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Fragrant
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Pruning Time
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Bloom PeriodSummer, Fall
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Photos Provided ByProven Winners, Inc - www.provenwinners.com

Growing Zones
Talk about a garden glow-up! The Proven Winners® Luminary® Ultraviolet Tall Garden Phlox PP#33,607 (Phlox paniculata 'Ultraviolet') is a dazzling perennial that brings electric color to your summer garden. With brilliant, saturated magenta-purple flower clusters, this fragrant, reblooming Phlox shines from mid-summer into fall. Its upright, compact habit makes it perfect for borders, pollinator gardens, and showy container displays.
This is one of the brightest and most color-saturated Phlox varieties ever introduced by Proven Winners®, bred for strong mildew resistance, sturdy stems, and extended bloom power. The rich green foliage forms a bushy, full mound, while the dome-like flower heads draw pollinators from miles around. Ultraviolet's compact size keeps it tidy without sacrificing flower power.
>>Jump to Planting & Care Instructions
Key Features
Luminary® Ultraviolet continues the family's impressive heritage with modern improvements for today's gardens.
- Electrifying magenta-purple flowers
- Strongly fragrant and reblooming
- Excellent mildew resistance
- Compact, upright form 2-3 feet tall and wide
- Attracts hummingbirds, butterflies, and bees
- Native perennial with modern breeding improvements
Landscaping Uses
Native to North America, Tall Garden Phlox has long been a favorite in cottage gardens and wildflower meadows. Revered for its summer-long blooms and butterfly appeal, it belongs to the Polemoniaceae family, making it a close relative to Creeping Phlox and Jacob's Ladder. Use Luminary® Ultraviolet to bring bold, lasting color to your garden. Its size and form make it a standout in borders, pollinator gardens, and containers.
- Cottage gardens and perennial borders
- Pollinator and butterfly gardens
- Container and patio displays
- Mass plantings for bold color drifts
- Moon gardens paired with whites and blues
Care & Maintenance
Proven Winners® Luminary® Ultraviolet Tall Garden Phlox thrives in USDA zones 3-8. It's an herbaceous perennial that's both hardy and fragrant, with excellent disease resistance and a long bloom season.
- Planting Time: Best in spring or fall
- Sun Requirements: Full sun to partial sun (morning sun preferred)
- Soil Requirements: Rich, well-drained soil - handles loam and sandy soils, struggles in poorly drained clay
- Moisture Needs: Keep evenly moist - use the Finger Test and water regularly during the first year
- Arborist Mulch: Add a 3-4 inch deep layer of mulch for consistent moisture and soil protection (learn why here)
- Fertilization Needs: Use compost or a balanced perennial fertilizer in spring
- Pruning Info: Deadhead spent blooms for rebloom and a longer show; cut back to the ground in late fall or early spring
- Division Info: Divide clumps every 3-4 years to rejuvenate
- Special Perks: Deer-resistant, highly attractive to pollinators, low-maintenance, and long-blooming
Don't forget to order your Nature Hills Root Booster for lifelong mycorrhizal root support!
Ultra-Glowing Choice!
Why settle for ordinary when you can have extraordinary? The Luminary® Ultraviolet Tall Garden Phlox delivers unmatched color saturation, fragrance, and pollinator appeal. A Proven Winners® selection built for beauty and resilience, this Phlox is destined to shine in your garden. Order your Luminary® Ultraviolet today from NatureHills.com and enjoy brilliant summer color for years to come!