How to Grow Angelface Dark Purple

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Angelface Dark Purple

Angelonia angustifolia 'Angelface Dark Purple'

flower

Angelface Dark Purple is a compact, heat-loving annual flower cultivar with deep purple blooms that resemble snapdragons. It produces abundant spikes of flowers from summer through fall and is extremely tolerant of heat, humidity, and drought once established. This variety is perfect for containers, borders, and landscapes where a reliable source of color is needed.

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Example Angelface Dark Purple timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Angelface Dark Purple

    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 Dark Purple blooms

    Around Jun 6

    ≈ 50 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily (more sun produces more blooms)
💧
Water: Moderate water needs; drought-tolerant once established. Water regularly during first 2-3 weeks, then reduce frequency. Avoid overwatering, which can cause root rot.
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Spacing: 12 inches
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Days to maturity: 50-60 days to first bloom
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Planting depth: Surface sow or 1/8 inch deep; seeds need light to germinate

Soil

Type: Well-draining loamy soil
pH: 6.0-7.0
Amendments:
compost peat moss perlite for drainage

Growing Zones

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Thrives in zones 2-11 as an annual; 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

2-3 weeks

Tiny seedlings with oval cotyledons emerge; true leaves are narrow and lance-shaped

Keep soil consistently moist but not waterlogged. Provide bright light and 70-75°F temperatures. Thin seedlings to proper spacing once they have 2-3 true leaves.

2

Vegetative Growth

3-4 weeks

Plant develops bushy foliage with numerous narrow green leaves; stem thickens and branches emerge

Pinch back growing tips at 4-6 inches tall to encourage bushier growth and more flower spikes. Continue regular watering and ensure full sun exposure.

3

Flowering Initiation

1-2 weeks

Flower buds form at stem tips; characteristic purple flower spikes begin to emerge

Once flowering begins, reduce nitrogen fertilizer to avoid excessive foliage at expense of blooms. Switch to balanced or slightly higher phosphorus fertilizer (e.g., 5-10-10).

4

Bloom & Continuous Flowering

12+ weeks until frost

Dense spikes of deep purple snapdragon-like flowers cover the plant; flowers open progressively from bottom to top on each spike

Deadhead spent flower spikes to encourage continuous blooming. Water during dry spells. Fertilize every 2-3 weeks with diluted balanced fertilizer. Plants are extremely heat and drought tolerant at this stage.

5

Senescence (End of Season)

Variable; until first frost

Flowering slows as temperatures drop in fall and days shorten; foliage may become less vibrant

Continue deadheading to extend bloom season. In frost-prone areas, plants will decline and die after first hard freeze. In warm zones (10-11), plants may persist and regrow in spring.

Common Pests

  • Spray with insecticidal soap or neem oil; encourage beneficial insects; use yellow sticky traps for monitoring

  • Increase humidity; spray with water to dislodge; use miticide or neem oil if infestation is severe

  • Ensure good air circulation; avoid overhead watering; spray with sulfur or fungicide if necessary; remove affected leaves

Uses

🌿

Container & Garden Color

Ornamental

Ideal for filling containers, hanging baskets, flower borders, and garden beds with continuous deep purple color. Complements silver-foliaged plants and creates stunning color combinations. [source]

🦋

Pollinator Attraction

Wildlife

Attracts bees, butterflies, and hummingbirds, making it valuable for pollinator gardens. The abundant nectar-rich flowers support beneficial insect populations. [source]

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Heat & Drought Tolerance

Household

Exceptionally tolerant of heat, humidity, and drought once established, making it ideal for difficult growing conditions and low-maintenance landscapes. Requires minimal water once past the establishment phase. [source]

🎨

Cut Flower Arrangements

Craft

Long-lasting purple flower spikes are excellent for fresh cut flower bouquets and arrangements. Stems last 7-10 days in water with proper conditioning. [source]

Harvest Tips

Angelface Dark Purple is grown for ornamental blooms rather than harvest. Deadhead (pinch off) spent flower spikes regularly to promote continuous blooming throughout the season. Cut fresh flowers for arrangements by removing stems just above a set of leaves.

Fun Facts

  • 🌱 Angelonia is sometimes called 'summer snapdragon' due to its similar flower structure, though it is not closely related to true snapdragons (Antirrhinum).
  • 🌱 Angelface Dark Purple is one of several Angelface cultivars bred specifically for the home garden; the series is known for compact growth and prolific blooming with minimal deadheading required.
  • 🌱 This variety thrives in hot, humid conditions that stress many other ornamental flowers, making it an excellent choice for southern gardens and tropical climates.

Gardening Terms

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