Phlox paniculata 'Ultraviolet'
perennialN. America Native

Garden Phlox 'Ultraviolet'

Phlox paniculata 'Ultraviolet'

$13.77

The Story

Plant Bio

An upright, herbaceous perennial with stiff stems, lance-shaped green leaves, and large, terminal clusters (panicles) of fragrant, five-petaled flowers that bloom from mid-summer to early fall. It is native to eastern and central North America.

Distinguished by its vibrant, ultraviolet-purple flowers with a subtle white eye. This cultivar is noted for its strong performance, long bloom period, and excellent resistance to powdery mildew.

Uses & Benefits:

Ornamental UsesProvides vibrant purple blooms and fragrant foliage, enhancing garden aesthetics.
Practical UsesAttracts pollinators, supporting local ecosystems.
Ecological BenefitsServes as a nectar source for butterflies and hummingbirds.
SpeciesPhlox paniculataGarden Phlox

Essentials

At a Glance

Plant Type

Perennial

Height

30 inches

Width

28 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic to humans and pets

Marketplace

Where to Buy

In Stock$13.77
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Planting

How to Grow

  1. Tuck seeds or divisions into well-prepared soil in early spring.
  2. Water thoroughly after planting to establish roots.
  3. Fertilize with a balanced fertilizer during active growth.
  4. Prune after flowering to maintain shape and encourage new growth.
  5. Mulch around the base to retain moisture and suppress weeds.
  6. Monitor for pests and treat as needed during the growing season.

Pro Tip

Plant in full sun with well-draining soil for best blooms.

Keep It Thriving

Care Guide

Do

  • Water regularly during dry spells 🌱
  • Prune dead flowers to promote rebloom
  • Mulch to conserve moisture

Don't

  • Avoid overwatering to prevent root rot ❌
  • Don't neglect pruning after flowering
  • Refrain from planting in overly shaded spots

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Divide
Fertilize
Mulch
Pinch
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid purple border in flower bedsFragrant low hedgePollinator-friendly garden accent

Companion Plants

Multiply

Propagation Methods

Good to Know

Common Questions

Garden Phlox 'Ultraviolet' questions

What zones can Garden Phlox 'Ultraviolet' grow in?

Garden Phlox 'Ultraviolet' is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Garden Phlox 'Ultraviolet' deer resistant?

Not reliably. Deer may browse Garden Phlox 'Ultraviolet', especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Garden Phlox 'Ultraviolet' bloom?

Garden Phlox 'Ultraviolet' typically blooms in mid to late summer through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Garden Phlox 'Ultraviolet' need full sun?

Garden Phlox 'Ultraviolet' does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Keep exploring

Grow Garden Phlox 'Ultraviolet' with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.