How to Grow Phlox Shortwood Purple Eye

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Phlox Shortwood Purple Eye

Phlox paniculata 'Shortwood Purple Eye'

flower

Phlox Shortwood Purple Eye is a compact panicle phlox cultivar featuring fragrant lavender-purple flowers with distinctive deep purple centers. This deciduous perennial reaches 18-24 inches in height and blooms prolifically from mid-summer through fall, making it ideal for borders, containers, and cottage gardens.

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Example Phlox Shortwood Purple Eye timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Phlox Shortwood Purple Eye

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Phlox Shortwood Purple Eye blooms

    Mid-to-late summer

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Phlox Shortwood Purple Eye dates for your own zip code.

Growing Conditions

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Sun: Full sun, 6-8 hours daily; tolerates partial shade but blooms more prolifically in full sun
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Water: Moderate, consistent moisture; water at soil level to prevent mildew; reduce watering in cooler months; avoid waterlogging
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Spacing: 18-24 inches apart inches
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Days to maturity: Flowers appear 60-90 days from planting; perennial established by year 2
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Planting depth: Plant crowns at soil level; transplants at same depth as nursery container

Soil

Type: Well-draining loamy soil with good organic matter
pH: 6.0-7.0
Amendments:
compost aged manure peat moss perlite for improved drainage

Growing Zones

Find your zone →

Thrives in zones 3-8; performs best in cooler to moderate climates

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b

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Growth Stages

1

Dormancy/Spring Emergence

4-6 weeks

Plant emerges from winter dormancy in early spring with small green shoots sprouting from the crown

Remove any dead foliage left from winter; apply fresh mulch around the base; begin fertilizing as growth appears

2

Vegetative Growth

6-8 weeks

Rapid stem and leaf development; plant grows to full height with dense green foliage; no flowers yet

Pinch back stems in early June to promote bushier growth and more flower clusters; maintain consistent moisture; stake if needed

3

Bud Formation & Early Flowering

2-3 weeks

Terminal buds form and elongate; flower buds cluster densely at stem tips; first flowers begin opening from bottom of panicle upward

Reduce nitrogen fertilizer; increase phosphorus to support blooming; deadhead spent flowers to encourage continued blooming

4

Peak Flowering

6-10 weeks

Full panicles of fragrant lavender-purple flowers with deep purple eyes in full bloom; plant appears covered in color

Deadhead regularly to extend bloom; water during dry spells; fertilize lightly every 3-4 weeks if desired

5

Seed Setting & Decline

4-6 weeks

Flowers fade and dry; seeds form in panicles; foliage begins to yellow and deteriorate in fall

Continue deadheading to prevent self-seeding (which may revert to parent form); cut back stems to 4-6 inches after frost

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Phlox subulata (to prevent cross-breeding confusion) wet-loving plants like Joe-Pye Weed (due to different water needs)

Common Pests

  • Ensure good air circulation; water at soil level only; apply sulfur or neem oil spray; avoid overhead watering; remove affected leaves

  • Spray with water to dislodge; apply miticide if severe; increase humidity around plants

  • Remove and destroy affected stems; improve drainage; avoid wetting foliage; sterilize pruning tools

  • Spray with water; apply insecticidal soap or neem oil; encourage natural predators like ladybugs

Uses

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Edible Flowers

Culinary

Phlox flowers are edible with a mild, slightly sweet flavor and are sometimes used to garnish salads or desserts. They add visual appeal to culinary presentations. [source]

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Cut Flowers & Fresh Arrangements

Household

The fragrant flower clusters make excellent cut flowers for bouquets, floral arrangements, and vases, lasting 5-7 days in water. Their sweet fragrance perfumes indoor spaces naturally. [source]

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Pollinator Garden Plant

Wildlife

The nectar-rich flowers are highly attractive to butterflies, bees, hummingbirds, and other pollinators, making phlox essential for supporting beneficial insect populations. [source]

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Dried Flower Crafts

Craft

Dried phlox flowers retain their color reasonably well and can be used in dried flower arrangements, pressed flower art, and craft projects. [source]

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Traditional Herbal Use

Medicinal

Some herbalists have traditionally used phlox preparations for respiratory support and mild inflammatory conditions, though modern clinical evidence is limited. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Phlox is ornamental; harvest flowers for fresh cut arrangements by cutting stems in early morning when fully hydrated. Cut at least 6 inches of stem. Deadhead spent flower clusters regularly throughout summer to encourage extended blooming and prevent unwanted self-seeding.

Fun Facts

  • 🌱 The name 'Phlox' comes from the Greek word meaning 'flame,' referring to the brightly colored flowers that appear to glow in the garden.
  • 🌱 Phlox is one of the few summer-blooming perennials that is fragrant; the sweet, distinctive scent intensifies in the evening to attract nocturnal pollinators.
  • 🌱 The 'Shortwood' cultivar series was bred to be more compact and disease-resistant than standard panicle phlox varieties, making them better suited to smaller gardens and containers.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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