How to Grow Blue Shimmer

Wikimedia Commons

Blue Shimmer

Tradescantia pallida 'Blue Shimmer'

shrub

Blue Shimmer is a compact, ornamental cultivar of Tradescantia pallida known for its striking blue-purple foliage with subtle silver variegation that creates a shimmering effect in sunlight. This tender perennial shrub is prized for its vibrant color, manageable size, and year-round visual interest in containers or gardens. It's popular as a houseplant and tender annual in cooler climates.

When should you plant Blue Shimmer in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Blue Shimmer timeline →

Example Blue Shimmer timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Blue Shimmer

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Blue Shimmer

    Around May 17

    ≈ 30 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Blue Shimmer dates for your own zip code.

Growing Conditions

☀️
Sun: Bright indirect light to partial sun (4-6 hours of bright light daily); tolerates some shade but color intensity increases with more light
💧
Water: Keep soil consistently moist but not waterlogged. Water when top inch of soil feels dry. Reduce watering in winter. Prefers humidity.
📏
Spacing: 12-18 inches
📅
Days to maturity: 30-45 days to established growth; ornamental throughout
🌱
Planting depth: Surface to 0.5 inches (transplants); shallow for cuttings

Soil

Type: Well-draining potting soil or loamy soil
pH: 6.0-7.0
Amendments:
perlite compost sand for improved drainage

Growing Zones

Find your zone →

Ideal for zones 10-11; grown as a tender annual or houseplant in cooler regions

10b 11a 11b

Sign up free to see if Blue Shimmer grows in your zone — and get a personalized planting timeline.

Get my Blue Shimmer timeline →

Growth Stages

1

Propagation/Establishment

2-4 weeks

Small cuttings or young transplants begin developing roots and new leaves; foliage starts showing blue-purple coloration

Maintain high humidity, provide bright indirect light, keep soil lightly moist. Use well-draining propagation medium. Mist regularly if propagating from cuttings.

2

Vegetative Growth

4-8 weeks

Plant develops multiple stems and bushy structure; blue-purple foliage deepens with maturity; characteristic shimmer becomes more apparent

Pinch growing tips regularly to encourage branching and bushiness. Maintain consistent moisture and bright light. Feed monthly with balanced fertilizer. Rotate container weekly if indoors.

3

Flowering

6-12 weeks (can bloom year-round indoors)

Small pale pink or lavender flowers appear along stems; flowers are delicate and abundant though less showy than the foliage

Flowers are secondary to foliage appeal. Continue regular watering and feeding. Deadheading is optional but maintains plant energy for leaf production.

4

Maintenance

Ongoing

Mature plant maintains vibrant blue-purple coloration with silvery shimmer; growth slows seasonally in winter months

Prune back leggy growth to maintain compact shape. Reduce watering and feeding in winter. Repot annually or as needed. Monitor for pests, especially spider mites indoors.

5

Winter Dormancy (outdoor in zones 10-11)

3-4 months

Growth significantly slows; foliage may appear slightly less vibrant in reduced light and cooler temperatures

Reduce watering frequency. Provide brightest available light. Hold off on fertilizing. Avoid cold drafts and temperatures below 50°F. In zones 9 and below, bring indoors or treat as annual.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Plants requiring dry conditions Drought-tolerant succulents Plants sensitive to humid conditions

Common Pests

  • Increase humidity by misting regularly. Rinse foliage with water spray. Use horticultural oil or neem oil if infestation occurs. Isolate infected plants.

  • Remove with cotton swab dipped in rubbing alcohol. Spray with insecticidal soap or neem oil. Check regularly and isolate new plants.

  • Manually remove with brush or fingernail. Treat with horticultural oil or neem oil spray. Monitor new growth closely.

  • Use yellow sticky traps. Spray foliage with insecticidal soap or neem oil. Increase air circulation.

  • Allow soil surface to dry between waterings. Use gnat traps. Repot in fresh soil if infestation is severe.

Uses

🏠

Indoor ornamental plant

Household

Blue Shimmer is a popular houseplant valued for its stunning blue-purple foliage and compact size. It thrives in bright indirect light indoors and adds dramatic color to shelves, tables, and windowsills. [source]

🏠

Container gardening

Household

Excellent choice for mixed containers, hanging baskets, and patio displays. Its compact growth habit and vibrant color complement other ornamentals in shade and partial-shade containers. [source]

🎨

Foliage arrangements

Craft

The striking blue-purple stems and leaves are attractive in fresh floral arrangements and botanical displays. Cut stems last several days in water and add unique color interest. [source]

🦋

Pollinator support

Wildlife

The delicate pale pink flowers attract hummingbirds and beneficial insects, particularly when grown outdoors. While not a primary nectar source, it contributes to pollinator habitat. [source]

💊

Traditional use in herbal remedies

Medicinal

Tradescantia species have been used in traditional folk medicine for various minor ailments, though Blue Shimmer is primarily grown ornamentally rather than for medicinal purposes. [source]

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

Harvest Tips

Blue Shimmer is grown for foliage rather than harvest. Pinch or prune stem tips regularly (every 4-6 weeks) to encourage bushier, more compact growth. Cuttings can be propagated year-round, particularly in spring and summer. Remove any dead or damaged leaves promptly. Keep plant compact and full by removing leggy growth.

Fun Facts

  • 🌱 Blue Shimmer is a patented cultivar (PPAF) developed for its exceptional blue-purple foliage color and compact growth habit, setting it apart from standard Tradescantia pallida.
  • 🌱 The silvery shimmer effect on the foliage is most pronounced when the plant receives bright light, making the color more vibrant in morning sun or bright indirect conditions.
  • 🌱 Blue Shimmer can be propagated infinitely from stem cuttings, making it easy to propagate at home for gifts or to expand your collection—a single cutting will root in water in 1-2 weeks.

Gardening Terms

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

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Blue Shimmer planting timeline

Tell us your zip code and we'll calculate exactly when to start Blue Shimmer seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Blue Shimmer timeline →