How to Grow Bluebird Flower

iNaturalist

Bluebird Flower

Commelina communis

flower

Bluebird (Commelina) is a delicate ornamental flowering plant known for its striking blue flowers with three petals. These charming blooms typically appear in mid to late summer and attract pollinators to the garden. The plant is relatively easy to grow and makes an excellent addition to borders, containers, and cottage gardens.

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Example Bluebird Flower timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Bluebird Flower

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Bluebird Flower blooms

    Around Jun 1

    ≈ 45 days after planting

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

Growing Conditions

☀️
Sun: Full sun to partial shade, 4-6 hours of sunlight daily
💧
Water: Moderate watering; keep soil consistently moist but not waterlogged. Water at the base of the plant in early morning. Reduce watering in cooler months.
📏
Spacing: 12 inches
📅
Days to maturity: 45-60 days
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Planting depth: 1/4 inch for seeds; transplants should be at same depth as container

Soil

Type: Well-draining loamy soil with moderate fertility
pH: 6.0-7.0
Amendments:
Compost Aged manure Peat moss or coco coir for moisture retention

Growing Zones

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Thrives in zones 3-9, with best performance in zones 4-8

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Seedling

2-3 weeks

Tiny seedlings emerge with small oval cotyledons and develop true leaves within 1-2 weeks

Keep soil moist but not soggy. Provide indirect light. Thin seedlings to appropriate spacing.

2

Vegetative Growth

3-4 weeks

Plant develops multiple stems and lance-shaped green leaves, building a bushy structure

Water regularly and pinch back growing tips to encourage bushier growth. Apply balanced fertilizer monthly.

3

Budding

1-2 weeks

Small flower buds form at stem tips and leaf axils

Continue regular watering and feeding. Avoid over-fertilizing with nitrogen as this promotes foliage over blooms.

4

Flowering

8-12 weeks

Delicate three-petaled blue flowers open, typically in morning hours, lasting until afternoon

Deadhead spent flowers to encourage continuous blooming. Water consistently. Provide afternoon shade in very hot climates.

5

Seed Development

2-3 weeks

Flowers fade and develop seed capsules that mature to brown papery structures

Allow some flowers to remain for self-seeding if desired. Collect seed pods once fully dry for seed saving.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Allelopathic plants like walnut trees Aggressive spreaders like mint

Common Pests

  • Spray with water to dislodge; use insecticidal soap or neem oil if infestation is severe. Increase humidity around plants.

  • Use yellow sticky traps; spray with insecticidal soap or horticultural oil. Remove heavily infested leaves.

  • and

    Hand-pick in early morning or evening. Create barriers with copper tape. Use organic slug baits.

  • Spray with strong water spray; use insecticidal soap or neem oil. Encourage beneficial insects like ladybugs.

Uses

🍳

Edible Flowers

Culinary

Bluebird flowers are technically edible and can be used as garnishes on salads and desserts for a pop of blue color. They add visual appeal to culinary presentations without strong flavor. [source]

🎨

Cut Flowers & Arrangements

Craft

The delicate blue blooms are perfect for fresh flower arrangements, pressed flower crafts, and decorative displays. They work well in small bouquets and add charming color to floral designs. [source]

🦋

Pollinator Support

Wildlife

Bluebird flowers attract bees, butterflies, and other beneficial insects to the garden. This makes them valuable for supporting pollinator populations and creating a vibrant ecosystem. [source]

🏠

Garden Ornament

Household

These flowers serve as beautiful ornamental plants for borders, containers, and cottage gardens. Their cheerful blue color brightens garden spaces throughout the growing season. [source]

💊

Traditional Medicine

Medicinal

Some Commelina species have been used in traditional Asian medicine for various purposes. Consult a qualified herbalist before any medicinal use. [source]

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

Harvest Tips

Bluebirds are primarily ornamental flowers grown for display rather than harvest. Cut flowers in early morning when blooms first open for indoor arrangements. Deadhead spent flowers regularly throughout the season to promote continuous blooming. To collect seeds, allow some flowers to fade on the plant and collect dried seed pods in late summer.

Fun Facts

  • 🌱 Bluebird flowers are ephemeral bloomers, meaning each flower typically lasts only one day, opening in the morning and closing by afternoon, but the plant continuously produces new flowers.
  • 🌱 The plant has been used in traditional Chinese medicine for centuries and is known as 'Dayflower' because of its characteristic one-day bloom cycle.
  • 🌱 Bluebird flowers have an unusual feature: they can produce two types of flowers—showy flowers that open completely and small hidden flowers that self-pollinate without opening.

Gardening Terms

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

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