Phlox paniculata 'Rubymine'
perennialN. America Native

Phlox paniculata Rubymine

Phlox paniculata 'Rubymine'

The Story

Plant Bio

Phlox paniculata 'Rubymine' is a perennial shrub known for its upright growth habit, lush green foliage, and clusters of vibrant, deep pink flowers that bloom in mid to late summer.

This cultivar is distinguished by its exceptionally large, intensely colored flower clusters that attract pollinators and add striking visual interest to borders and perennial beds.

Uses & Benefits:

Ornamental UsesProvides vibrant, fragrant flowers from summer to fall, enhancing garden aesthetics.
Practical UsesAttracts pollinators, supporting local ecosystems.
Ecological BenefitsSupports bees and butterflies, promoting biodiversity.
SpeciesPhlox paniculataGarden Phlox

Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Medium

Humidity

Average

Lifespan

Perennial

Native To

Eastern North America

Toxicity

Non-toxic

Bloom period

Mid-summer – Late summer

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In flower about 2 months of the year

Planting

How to Grow

  1. Tuck seeds or cuttings into well-drained soil
  2. Mist cuttings regularly to keep humidity high
  3. Plant in full sun for best flowering
  4. Water consistently during dry spells
  5. Mulch around base to retain moisture and suppress weeds
  6. Divide every 3-4 years in early spring

Pro Tip

Choose a sunny spot with well-drained soil for abundant blooms.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist
  • Prune back after flowering to promote bushiness
  • Fertilize in early spring with a balanced fertilizer 🌱

Don't

  • Avoid overwatering to prevent root rot ❌
  • Don’t prune in late fall or winter
  • Refrain from planting in overly shady areas

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Divide
Fertilize
Mulch
Pest Check
Pinch
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Colorful perennial borderFragrant garden bedPollinator-friendly planting

Companion Plants

EchinaceaShasta daisy CoreopsisLavender Salvia

Multiply

Propagation Methods

Good to Know

Common Questions

Phlox paniculata Rubymine questions

What zones can Phlox paniculata Rubymine grow in?

Phlox paniculata Rubymine 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 Phlox paniculata Rubymine deer resistant?

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

When does Phlox paniculata Rubymine bloom?

Phlox paniculata Rubymine 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 paniculata Rubymine need full sun?

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

Keep exploring

Grow Phlox paniculata Rubymine 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.