1 named cultivar

‘Slim Jim’Phlox pilosa Slim Jim

perennialN. America Native

Prairie Phlox

The Story

Plant Bio

Phlox pilosa, commonly known as prairie phlox or downy phlox, is an upright perennial native to eastern and central North America. It is noted for its hairy stems and leaves, and loose clusters of fragrant, pink to purple flowers.

This species is appreciated for its vibrant pink flowers and its ability to tolerate dry conditions, making it a suitable choice for rock gardens and naturalized areas.

Uses & Benefits:

Provides attractive, airy clusters of flowers that attract pollinators and add texture to gardens.

Drought-tolerant once established, making it suitable for xeriscaping.

Supports native pollinators such as bees and butterflies.

Essentials

At a Glance

Plant Type

Perennial

Height

18 inches

Width

18 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

Planting

How to Grow

Select a sunny spot with well-drained soil for planting.
Tuck seeds 1/4 inch deep into moist soil in early spring.
Mist cuttings regularly to maintain humidity and promote rooting.
Transplant seedlings after the last frost for best growth.
Divide mature plants in early spring or fall to rejuvenate.
Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Ensure good air circulation to prevent powdery mildew and encourage healthy growth.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil evenly moist 🌱
Prune after flowering to maintain shape
Fertilize with a balanced, slow-release fertilizer in spring

Don't

Avoid overwatering, which can cause root rot ❌
Do not neglect pruning, as it encourages bushier growth
Avoid planting in heavy, poorly-drained clay soils

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Wildflower meadow borderShady woodland garden accentNaturalistic perennial bed

Companion Plants

Coreopsis Echinacea Rudbeckia Salvia Gaillardia

Multiply

Propagation Methods

Good to Know

Common Questions

Prairie Phlox questions

What zones can Prairie Phlox grow in?

Prairie Phlox 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 Prairie Phlox deer resistant?

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

When does Prairie Phlox bloom?

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

Does Prairie Phlox need full sun?

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

Is Prairie Phlox drought tolerant?

Yes — once established (usually after the first full season), Prairie Phlox handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.