perennial

Phlox Flame Red

Phlox paniculata 'Flame Red'

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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

Prefers moderate humidity

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Phlox paniculata 'Flame Red' is a tall, bushy perennial with vibrant red, trumpet-shaped flowers that form dense panicles, complemented by lance-shaped green foliage during the growing season. This cultivar is distinguished by its striking fiery red blooms that provide a bold splash of color in late summer and its excellent resistance to powdery mildew.

Bloom Period:

EarlyLate

Uses & Benefits:

Bright red flowers add striking color to gardens, attracting hummingbirds and pollinators.

Provides long-lasting blooms with minimal care, suitable for borders and containers.

Supports local pollinators, enhancing garden biodiversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck seeds or cuttings into well-draining soil in spring.
Water thoroughly after planting and keep soil moist.
Place in full sun for best flowering results.
Fertilize with a balanced fertilizer in early spring.
Pinch back stems in early summer to promote bushier growth.
Divide every 3-4 years in early spring for rejuvenation.

Pro Tip

Ensure good air circulation to prevent powdery mildew.

Keep It Thriving

Care Guide

Do

Water regularly during dry periods 🌱
Prune after flowering to encourage new growth
Fertilize in early spring for vibrant blooms
Mulch to retain soil moisture

Don't

Avoid overwatering to prevent root rot ❌
Don't cut back in late fall, wait until spring
Avoid heavy fertilization that promotes excessive foliage
Do not plant in poorly drained soil

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Prune
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid perennial borderFragrant flower bedPollinator-friendly garden

Companion Plants

Echinacea Coreopsis Salvia Black-eyed Susan Lavender

Multiply

Propagation Methods

Good to Know

Common Questions

Phlox Flame Red questions

What zones can Phlox Flame Red grow in?

Phlox Flame Red 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 Phlox Flame Red deer resistant?

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

When does Phlox Flame Red bloom?

Phlox Flame Red 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 Phlox Flame Red need full sun?

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