CELESTIAL™ Starry Night Viola
Viola x 'Lord Primrose'
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CELESTIAL™ Starry Night Viola is backordered and will ship as soon as it is back in stock.
Plant Sentry™
Plant Sentry™

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Your order is protected by our compliance system that:
- Prevents restricted plants from shipping to your state
- Ensures plants meet your state's agricultural requirements
- Protects gardens from invasive pests and diseases
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
CELESTIAL™ Starry Night Viola 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
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Moisture
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Soil
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Growth RateMedium
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Pollinator Friendly
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Fragrant
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Pruning Time
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Bloom PeriodEarly Spring, Late Spring, Summer, Fall

Growing Zones 5-8
Darling baby-faced, CELESTIAL™ Starry Night Viola (Viola x 'Lord Primrose') is a pale demure beauty of a spring blossom that is highly floriferous and cold hardy! The larger petals are pale lavender splashed with a buttery soft yellow center and are as cute as can be!
The sweet scent may not be noticeable until you bend to their level, but Starry Night attracts bees and butterflies and is a welcome snack for early emerging pollinators! Great groundcover, accents, mass color or just darling focal point to add color until perennials and shrubs start blooming.
Viola are surprisingly cold hardy perennials in growing zones 5 through 8! Cooler zones should offer a protected location and a mulched bed to insulate them from the cold. Deadhead to keep the blooms returning. In cooler climates, these bloom all summer. In the warm growing zones, you'll enjoy a rebloom in the fall once the weather cools off.
Planting and Application:
Often used as annual blossoms for accents and containers, borders and spring edging. Perfect in children's gardens, patio container gardens, balconies and porch pots due to their cheerful faces and sweet small-sized demeanor. Dress up any location with these darling blooms whether as a specimen planting or mixed among other spring ephemerals.
Starry Night Viola look lovely along the edges of garden beds and borders, or en masse along pathways and in front of your home's foundation plantings. Ring urns or a mailbox, larger perennials and shrubs with these darling blossoms. Windowboxes and even hanging baskets gain darling ;
- Sweet Pale Lavender & Yellow Blooms
- Highly Floriferous
- Lush Green Foliage
- Small Size & Big Impact
- Pots & Planters, Edging, Garden Beds, En Masse & Accents
#ProPlantTips for Care:
Viola need moderately and consistently moist soil that's well-drained, especially in hotter growing zones and when in full sun. Cooler growing zones can plant Viola in full sun and partial shade.
- Full Sun & Part Shade
- Moist Enriched & Well-Drained Soil
- Loves 3-4 Inch Thick Bed of Mulch
- Deadhead to Keep Blooms Returning
- Water Consistently
CELESTIAL™ Starry Night Viola is just the buttery yellow and pale lavender blossoms to delight your garden beds and planters all spring, summer and fall! Order flowering accent plants today from NatureHills.com!