How to Grow Angelface Blue Angelonia

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Angelface Blue Angelonia

Angelonia angustifolia 'Angelface Blue'

flower

Angelface Blue Angelonia is a heat-loving annual flower with fragrant, snapdragon-like blooms in deep purple-blue. This cascading variety is ideal for containers, hanging baskets, and borders, offering continuous blooms throughout the growing season with minimal deadheading required.

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

  1. Plant Angelface Blue Angelonia

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Angelface Blue Angelonia blooms

    Around Jun 1

    ≈ 45 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily (performs best with maximum sunlight)
💧
Water: Keep soil consistently moist but not waterlogged. In containers, check daily as they dry quickly in heat. Reduce watering slightly once established. Drought-tolerant once fully rooted.
📏
Spacing: 12 inches
📅
Days to maturity: 45-60 days to first blooms
🌱
Planting depth: 1/8 inch (seeds); plant transplants at same depth as nursery pot

Soil

Type: Well-draining loamy soil with good fertility
pH: 6.0-7.0
Amendments:
Compost or aged manure Perlite or coarse sand for drainage Balanced fertilizer at planting

Growing Zones

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Thrives in zones 2-11 as an annual; can be grown as a perennial in zones 10-11

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b

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Growth Stages

1

Seedling

7-10 days

Small green shoots emerge with first true leaves appearing. Seedlings are delicate with soft stems and minimal foliage.

Keep soil consistently moist but not soggy. Provide bright, indirect light and warm temperatures (70-75°F). Thin seedlings to prevent crowding.

2

Vegetative Growth

3-4 weeks

Plant develops bushy foliage with multiple stems branching outward. Leaves are narrow, lance-shaped, and glossy green. No blooms appear yet.

Water regularly, maintaining consistent moisture. Apply balanced fertilizer every 2-3 weeks. Pinch growing tips early to encourage bushier growth and cascading habit.

3

Flowering

8-12 weeks (or until frost)

Dense flower spikes appear at branch tips, starting with buds at the base and gradually opening upward. Blooms are fragrant, small, orchid-like flowers in deep blue-purple.

Continue regular watering and weekly fertilization. Deadheading is minimal but removing spent flower spikes encourages more blooms. Maintain full sun exposure.

4

Peak Bloom & Cascade

6-10 weeks (extends until first frost)

Plant reaches full size with cascading stems covered in continuous blooms. Trailing growth is most pronounced, ideal for hanging baskets.

Maintain consistent moisture and weekly feeding with liquid fertilizer. Monitor for pests. Pinch any lanky stems to encourage fuller cascade.

5

Decline/Frost Sensitivity

Until first frost date

First frost damages foliage and blooms. Plant wilts and browns as temperatures drop below 40°F.

This is an annual, so allow plant to finish its cycle. In zones 10-11, cut back and overwinter indoors if desired. Save seeds from healthy plants.

Companion Planting

Plan your garden →

Plant with:

Dusty Miller (Senecio cineraria) Sanvitalia (Creeping Zinnia) Verbena Calibrachoa Petunia Sweet Alyssum Bacopa Iresine (Bloodleaf) Argyranthemum (Marguerite Daisy)

Avoid planting near:

Plants requiring constant wetness or shade Aggressive sprawling vines that compete for space

Common Pests

  • Spray foliage with water to dislodge; use insecticidal soap or neem oil if severe. Increase humidity.

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

  • Improve air circulation; apply sulfur or baking soda spray (1 tbsp per gallon water). Avoid overhead watering.

  • and

    Hand-pick; use slug bait or copper tape barriers around containers. Remove mulch near base.

Uses

🍳

Edible Garnish

Culinary

Angelonia flowers are edible and slightly fragrant, making them attractive garnishes for desserts, salads, and beverages. The flowers have a subtle, pleasant taste and add visual appeal to culinary presentations. [source]

🎨

Cut Flower Arrangements

Craft

The long, delicate flower spikes make excellent material for fresh and dried floral arrangements. They last well in water and pair beautifully with other summer flowers and foliage. [source]

🏠

Container & Landscape Gardening

Household

Angelface Blue is specifically bred for containers, hanging baskets, and mixed borders. Its cascading habit and continuous blooms make it ideal for adding height variation and color to patio displays and garden edges. [source]

🦋

Pollinator Attraction

Wildlife

The fragrant flowers attract butterflies, bees, and hummingbirds, making this plant valuable for pollinator gardens. The extended bloom period provides nectar throughout the growing season. [source]

💊

Traditional Fragrance Use

Medicinal

Angelonia has been used traditionally in aromatherapy and fragrance applications. The plant is named for its angel-like fragrance, which is calming and pleasant. [source]

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

Harvest Tips

Angelonia is grown for ornamental blooms rather than harvest in the traditional sense. Pinch off spent flower spikes to encourage more blooms. Cut stems for fresh arrangements; flowers last 7-10 days in a vase with fresh water. Harvest seeds before first frost by allowing flower spikes to dry on the plant, then collect seed heads and dry indoors.

Fun Facts

  • 🌱 The name 'Angelonia' refers to the angel-like appearance and fragrance of the flowers; 'Angelface Blue' was specifically bred by Ball FloraPlant for improved cascading growth and continuous blooming.
  • 🌱 Unlike some ornamental annuals, Angelonia is remarkably heat-tolerant and actually performs better in high temperatures, making it an excellent choice for hot climates where other flowers struggle.
  • 🌱 Angelonia flowers remain open during the evening and night, unlike many other flowers, and they're fragrant primarily in the morning hours when pollinators are most active.

Gardening Terms

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

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