Luminary® Ultraviolet Garden Phlox - Bare Root Plant

Name: Luminary® Ultraviolet Garden Phlox - Bare Root Plant
Brand: Great Lakes Lavender Farm
SKU: GLLF-PER-77F60AAB-BR
Price: 16.15 USD
Availability: InStock

$16.15

$16.15 $30.56

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Size : Bare Root Plant

Bare Root Plant

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Who

What

Where

When

Why

How

Why some shipping routes differ

Live plants are pickup only June 1–September 30. Plugs and potted plants cannot use our shipping path to AZ, CA, HI, ID, NV, OR, UT, or WA; pickup may remain available. Soil-free bare root plants may ship to those states during March 1–May 31 when all remaining rules pass. Montana plug and potted-plant arrivals must be October 1–May 31.

We choose neem oil and lower-impact plant care instead of routinely drenching our greenhouse with lab-manufactured pesticides. We are exploring a screened growing house that may expand future shipping options.

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Bare root arrives dormant

Expect new growth in about 6 weeks after planting. Until then it can look lifeless, so you won’t be able to tell within 24 hours of arrival whether it will grow.

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About the Product

Luminary® Ultraviolet produces very dark magenta-violet flower panicles above a full, bushy plant. Dark stems and buds and bronze-tinged leaves add to the rich look.

It flowers heavily from midsummer, reblooms and has better powdery mildew resistance than older dark purple phlox. At 32 to 36 inches, it anchors the middle of the border, cuts well and draws butterflies, bees and hummingbirds.

What it looks like

Dome-shaped panicles are made of flat, five-petaled flowers about 1 inch across in very dark magenta violet, opening from dark buds. The panicles top dark, sturdy, upright stems. Leaves are lance-shaped, bright green with a bronze flush, arranged in pairs along the stems. The plant forms a full, bushy, upright clump about 32 to 36 inches tall and 28 to 32 inches wide. At peak bloom deep violet heads cover the top of the plant.

Growing it with lavender

Phlox enjoys sun like lavender but wants richer soil and more regular water, so plant it in an adjacent cottage border, where its deep violet flowers pick up as the first lavender bloom winds down.

Care

Grow in full sun to part shade in average to fertile soil kept evenly moist; full sun and good air flow give the most flowers and the healthiest leaves. Hardy in zones 3-8. Deadhead spent flower clusters to encourage rebloom, and divide every few years in spring to keep the clump vigorous.

At a glance

Botanical name: Phlox paniculata
Flower color: Very dark magenta violet
Foliage: Bright green with a bronze flush
Growth habit: Full, bushy upright clump
Mature size: 32–36 in tall × 28–32 in wide
USDA hardiness zones: 3–8
Light: full sun, part sun to part shade
Bloom start: Early-July
Peak bloom: Late-July
Bloom pattern: Repeat Blooming
Deer resistance: Susceptible
Pollinator value: Great

Sizes and shipping

Dormant bare-root plant, sold in boxes of 25 per variety (order in multiples of 25). Bare-root plants ship or are picked up March 1–May 31 only. They are soil-free, so they may ship to every state in that window. Dormant plants often show little or no top growth on arrival; plant or heel them in promptly.

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Mature height: 36.0 in
Mature spread: 32.0 in
Bloom: Early-July – peak Late-July
Fragrance: Moderate
Deer: Susceptible

Lavender companion · grow guide

How to grow Luminary Ultraviolet

Phlox · Phlox paniculata

Two very different plants: garden phlox (P. paniculata) is a tall summer bloomer that wants sun, rich moist soil and good air flow; creeping phlox (P. subulata) is a spring groundcover for sun and lean, well-drained soil.

Check my zone & planting dates

Full sunLight
Moderate waterAverage drainage
pH 5.5–7.5Soil
Zones 3a–8bHardiness
36″ tall32″ wide
SusceptibleDeer · rabbits susceptible
Not known toxicPets

Huckleberry saysTell me where you grow and I’ll check if Luminary Ultraviolet will thrive there.

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Hardy in zones 3a–8b

Spring or early fall.

Dormant bare-root garden phlox as it arrives, laid on burlap

When it arrives

Your bare-root plant

Garden phlox arrives as a dormant crown with fibrous roots and old stem stubs. Soak 1 hour, plant with the crown at soil level and roots spread, and water well. Shoots appear in a few weeks.

Expect new growth in about 6 weeks after planting. Bare root ships March–May while dormant, with little or no top growth, and it can look lifeless until then. That’s normal. Creeping phlox stays evergreen and flowers in early to mid-spring. Garden phlox emerges from the crown in mid-spring as reddish shoots and blooms in mid to late summer.

You won’t be able to tell within 24 hours of arrival whether a dormant plant will grow.

When to plant

Spring or early fall.

How deep

Plant at the same depth as in the plug or with the bare-root crown just at soil level.

Spacing

Garden phlox 18–24 inches for air flow; creeping phlox 12–18 inches for a mat.

Soil

Garden phlox: rich, moist loam. Creeping phlox: sandy or gravelly, well-drained soil. · pH 5.5–7.5

Fix-it tip: Add compost for garden phlox. For creeping phlox, add grit to heavy clay or plant on slopes and walls so it never stays wet.

Sun

Full sun (tolerates light part shade).

Garden phlox in shade gets more mildew and fewer flowers; creeping phlox blooms best in full sun.

Don’t give up on it

Is it alive? What spring looks like

Creeping phlox stays evergreen and flowers in early to mid-spring. Garden phlox emerges from the crown in mid-spring as reddish shoots and blooms in mid to late summer.