How to Grow Impatiens (Busy Lizzie)

Impatiens (Busy Lizzie)

Impatiens walleriana

flower

Impatiens are tender annual flowering plants prized for their vibrant blooms and exceptional shade tolerance, making them ideal for filling dark garden corners and shaded borders. They produce abundant, delicate flowers in shades of red, pink, purple, white, orange, and bi-colors throughout the growing season. These fast-growing plants are beloved by gardeners seeking reliable color in low-light conditions.

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Example Impatiens (Busy Lizzie) timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Impatiens (Busy Lizzie)

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Impatiens (Busy Lizzie) blooms

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Impatiens (Busy Lizzie) dates for your own zip code.

Growing Conditions

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Sun: Partial to full shade (2-4 hours of indirect sunlight). Tolerates heavy shade better than most flowering annuals; avoid intense afternoon sun which can bleach flowers and scorch foliage
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Water: Keep soil consistently moist but not waterlogged. Water deeply when top inch of soil feels dry. Impatiens are thirsty plants and wilt quickly in dry conditions; they often recover after watering but repeated stress reduces flowering. Daily watering may be needed in hot weather
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Spacing: 12-18 inches
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Days to maturity: 60-90
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Planting depth: Seed: surface sow or just barely press into soil (light-dependent germination); Transplants: plant at same depth as nursery pot

Soil

Type: Rich, moist, well-draining loamy soil
pH: 6.0-6.5
Amendments:
Compost or aged manure for organic matter Peat moss or coconut coir for moisture retention Perlite or vermiculite for drainage Balanced slow-release fertilizer

Growing Zones

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Grow as annuals nationwide; thrive in zones 10-11 as perennials. Best performance in zones 5-9 with protection from intense afternoon sun

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

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Growth Stages

1

Seedling

2-3 weeks

Tiny seedlings emerge with two small cotyledons. First true leaves are oval and tender. Plants are delicate and require high humidity and consistent moisture

Maintain 70-75°F soil temperature. Keep under grow lights 14-16 hours daily. Provide high humidity with a humidity dome or misting. Never allow to dry out completely. Begin fertilizing weakly once first true leaves appear

2

Vegetative Growth

3-4 weeks

Plants develop multiple stems and increasingly larger, slightly succulent leaves. Foliage is dense and bushy. No flowers yet; plant focuses on leaf and branch development

Thin or space seedlings to prevent crowding. Pinch growing tips when 2-3 inches tall to encourage branching. Maintain consistent moisture and provide bright indirect light. Fertilize every 2 weeks with balanced fertilizer. Harden off transplants gradually before planting outdoors

3

Budding & Early Flowering

2-3 weeks

Flower buds appear at stem tips and leaf axils. Initial blooms begin opening. Plant transitions from leaf production to flower development

Reduce nitrogen fertilizer; switch to higher-phosphorus formula to encourage flowering. Maintain even moisture without overwatering. Deadhead spent flowers to encourage continuous blooming. Ensure adequate air circulation to prevent fungal issues. Continue pinching back leggy growth if needed

4

Flowering & Blooming

8-12 weeks

Dense clusters of flowers cover the plant throughout summer. Blooms continuously if conditions are favorable. Plant may reach 10-24 inches tall depending on variety and light conditions

Deadhead regularly to extend flowering season. Water consistently; drought stress halts blooming. Apply balanced liquid fertilizer every 10-14 days. Pinch back excessively tall stems to maintain shape. Watch for pest and disease issues in humid conditions. Provide afternoon shade in zones 8-9 to prevent flower fade

5

Decline & End of Season

Until first frost

As temperatures cool in fall (below 50°F), flowering slows dramatically. Plants become less vigorous and may develop spotting or decline quickly with frost

Plants are frost-tender and will die at first frost. Bring container plants indoors before first freeze if desired to extend season (2-3 weeks possible). Otherwise, compost plants. Can take cuttings in fall for winter houseplants

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Aggressive vines that will shade them completely Plants requiring dry conditions (sedums, sempervivums) Tall plants that completely block air circulation

Common Pests

  • Spray with neem oil or insecticidal soap; increase humidity; isolate affected plants to prevent spread

  • Yellow sticky traps; spray with insecticidal soap or neem oil; ensure good air circulation

  • Reduce overwatering and soil moisture; use sand top-dressing; apply diatomaceous earth; use mosquito dunks in soil

  • Spray with insecticidal soap; apply neem oil; remove affected leaves; use horticultural oil

  • Strong water spray to dislodge; insecticidal soap; neem oil; ladybugs for biological control

  • and

    Remove by hand at dusk; beer traps; copper barriers; diatomaceous earth; encourage ground beetles

Uses

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Edible flowers

Culinary

Impatiens flowers are non-toxic and can be used as delicate, slightly sweet edible garnishes for salads and desserts, though they have minimal nutritional value. The flowers add visual appeal to plates and are popular in gourmet cuisine. [source]

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Shade gardening and landscaping

Household

Impatiens excel in difficult shaded areas where few other flowering annuals thrive, making them essential for transforming dark corners, under eaves, and woodland gardens into colorful displays. They provide reliable, continuous color in low-light conditions. [source]

🎨

Cut flowers and arrangements

Craft

While delicate, impatiens blooms can be used in small fresh flower arrangements and bouquets, particularly for delicate, cottage-garden style designs. They require immediate water after cutting and have a short vase life of 3-5 days. [source]

🦋

Pollinator attraction

Wildlife

Impatiens flowers attract bees, hummingbirds, and other pollinators, particularly in shaded gardens where nectar sources are limited. They provide valuable forage throughout the blooming season. [source]

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Traditional herbal use

Medicinal

In traditional Ayurvedic medicine, Impatiens balsamina (Balsam plant, related species) has been used for skin conditions and inflammation, though scientific evidence is limited. Modern use is primarily ornamental. [source]

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

Harvest Tips

Impatiens are grown for continuous flowering, not harvest. Deadhead spent blooms regularly to extend flowering season. Pinch off the developing seed pods (small green capsules behind flowers) to redirect energy into new flowers. In fall, take 4-6 inch cuttings just below leaf nodes, root in water or moist soil indoors to preserve favorite varieties through winter

Fun Facts

  • 🌱 The name 'Impatiens' comes from the Latin word meaning 'impatient,' referring to the seed pods that explosively burst open when ripe, scattering seeds up to 6 feet away at the slightest touch
  • 🌱 Impatiens walleriana is native to Tanzania and was named after the river valley where it was discovered; it's also commonly called 'Busy Lizzie' because of its prolific flowering and 'Touch-me-not' for its explosive seed pods
  • 🌱 Unlike most flowering plants, impatiens prefer slightly moist conditions and actually perform better in shade than in full sun—they evolved in the African understory where they receive dappled light

Gardening Terms

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

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