perennialN. America Native

Hardy Tall Phlox

Phlox paniculata 'Hardy Tall'

Not currently listed at our partner nurseries.

Expertly Curated

Real-Time Pricing

Loved by Designers

Essentials

At a Glance

Plant Type

Perennial

Height

36 inches

Width

30 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Prefers moderate humidity

Lifespan

Perennial

Native To

Eastern North America

Toxicity

Non-toxic to pets

The Story

Plant Bio

Tall garden phlox with clusters of large flowers, known for their vibrant colors and fragrant blooms. Hardy Tall cultivar is particularly robust, offering exceptional flower production and disease resistance.

Bloom Period:

EarlyLate

Uses & Benefits:

Vibrant, fragrant flowers attract pollinators and enhance garden beauty.

Provides ground cover and prevents soil erosion.

Supports bees and butterflies, promoting biodiversity.

Marketplace

Where to Buy

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

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck seeds into well-draining soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and promote rooting.
Plant in full sun for vibrant blooms and healthy growth.
Water deeply once a week during dry spells to keep soil moist.
Fertilize with a balanced fertilizer in early spring and mid-summer.
Divide mature plants in early spring or late fall to rejuvenate.

Pro Tip

Use organic compost to enrich soil for lush, vibrant flowers.

Keep It Thriving

Care Guide

Do

Water regularly, especially during dry periods 💧
Mulch around plants to retain moisture and suppress weeds
Prune after flowering to encourage bushiness

Don't

Avoid overwatering to prevent root rot ❌
Don’t fertilize late in the season to prevent weak growth
Avoid heavy shade which reduces flowering

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Colorful perennial borderFragrant flower bedWildflower meadow accent

Companion Plants

Coreopsis Echinacea Lavandula Rudbeckia Salvia

Multiply

Propagation Methods

Good to Know

Common Questions

Hardy Tall Phlox questions

What zones can Hardy Tall Phlox grow in?

Hardy Tall Phlox 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 Hardy Tall Phlox deer resistant?

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

When does Hardy Tall Phlox bloom?

Hardy Tall Phlox 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 Hardy Tall Phlox need full sun?

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