Species

Phlox paniculataGarden Phlox

65 other cultivars

perennialN. America Native

Garden Phlox 'Rene Duval'

Phlox paniculata 'Rene Duval'

The Story

Plant Bio

Phlox paniculata 'Rene Duval' is an upright herbaceous perennial with sturdy stems, lance-shaped green leaves, and large, conical panicles of fragrant, lilac-blue flowers in mid to late summer.

This cultivar is distinguished by its particularly abundant and long-lasting flower clusters that attract butterflies and pollinators, making it a popular choice for vibrant garden borders.

Uses & Benefits:

Provides lush, fragrant flowers that attract butterflies and hummingbirds, enhancing garden beauty.

Deer resistant and low-maintenance, suitable for various garden styles.

Supports pollinators and beneficial insects, contributing to garden biodiversity.

SpeciesPhlox paniculataGarden Phlox

Essentials

At a Glance

Plant Type

Perennial

Height

36 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic to humans and pets

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Select a sunny location with well-drained loam soil.
Tuck seeds or transplant seedlings in early spring.
Water regularly to keep soil moist but not waterlogged.
Fertilize with a balanced fertilizer in spring.
Prune after flowering to promote bushy growth.
Mulch around base to retain moisture and suppress weeds.

Pro Tip

Plant in spring after the last frost for best results.

Keep It Thriving

Care Guide

Do

Water consistently during dry periods 🌱
Prune to shape and remove dead flowers
Apply mulch to conserve moisture

Don't

Avoid overwatering, which can cause root rot ❌
Don’t fertilize late in the season
Never ignore pest infestations

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Fertilize
Pest Check

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Fragrant border with butterfly attractionWildflower meadow accent

Companion Plants

Echinacea Rudbeckia Salvia CoreopsisLavender

Multiply

Propagation Methods

Good to Know

Common Questions

Garden Phlox 'Rene Duval' questions

What zones can Garden Phlox 'Rene Duval' grow in?

Garden Phlox 'Rene Duval' is hardy in USDA Zones 4–8. 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 'Rene Duval' deer resistant?

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

When does Garden Phlox 'Rene Duval' bloom?

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

Does Garden Phlox 'Rene Duval' need full sun?

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