How to Grow Silver Ghost

iNaturalist

Silver Ghost

Senecio cineraria (formerly Cineraria maritima)

shrub

Silver Ghost is an ornamental foliage plant prized for its striking silvery-white, deeply lobed leaves that create a feathery, delicate appearance. This tender perennial is commonly grown as an annual in cooler climates and makes an excellent accent plant in gardens, containers, and mixed borders. Its finely textured foliage provides beautiful contrast to darker-leaved plants.

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Example Silver Ghost timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Silver Ghost

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Silver Ghost

    Around Jun 16

    ≈ 60 days after planting

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

Growing Conditions

☀️
Sun: Full sun to partial shade, 6+ hours of direct sunlight daily for best silvery foliage color
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Water: Moderate water needs; allow soil to dry between waterings. Drought-tolerant once established. Overwatering can cause root rot, especially in cooler seasons
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Spacing: 12-18 inches
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Days to maturity: 60-90 days from transplant to full ornamental size
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Planting depth: 0.25 inches (seeds); transplants at same depth as nursery pot

Soil

Type: Well-draining sandy or loamy soil
pH: 6.0-7.0
Amendments:
Perlite or sand for drainage Compost for organic matter Avoid heavy clay soils

Growing Zones

Find your zone →

Zones 9b-11; grown as an annual in colder zones

9b 10a 10b 11

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Growth Stages

1

Seedling

2-3 weeks

Tiny silvery leaves emerge; seedlings are delicate with fine, gray cotyledons

Keep soil consistently moist but not waterlogged. Provide bright, indirect light. Maintain warm temperatures (70-75°F). Thin seedlings to proper spacing once true leaves appear

2

Vegetative Growth

4-8 weeks

Plant develops multiple stems with increasingly lobed, silvery-gray leaves. Height and width increase steadily

Gradually acclimate to full sun. Water when top inch of soil is dry. Fertilize monthly with balanced fertilizer. Pinch tips early to encourage bushier growth

3

Established Foliage

Ongoing through growing season

Plant reaches mature size with dense, finely textured silvery foliage. Foliage color is most intense and vibrant

Maintain consistent watering schedule. Reduce fertilizer frequency to every 6-8 weeks. Remove any yellowing or damaged lower leaves. Deadhead any yellow flower buds if grown purely for foliage

4

Flowering (Optional)

Summer months

Small yellow button-like flowers appear on thin stems above the foliage. Flowers are not particularly ornamental

Flowering is not the main attraction. Deadhead flowers to encourage continued foliage production and maintain plant energy. Can allow flowering if seeds are desired

5

Overwintering/Dormancy

November-March

In zones 9b and below, foliage may fade or plant may be treated as annual and removed after frost

In frost-prone areas, bring containers indoors to cool, bright location (50-60°F). Reduce watering significantly. In zones 10+, can remain outdoors with minimal winter care

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Plants requiring frequent heavy watering Overshadowing tall plants that reduce sunlight

Common Pests

  • Spray with insecticidal soap or neem oil. Use yellow sticky traps. Introduce parasitic wasps. Improve air circulation

  • Remove with alcohol-dipped cotton swab. Spray with insecticidal soap. Apply neem oil weekly until controlled

  • Increase humidity by misting. Spray with water to dislodge. Use miticide or neem oil if severe. Ensure good air circulation

  • and

    Hand-pick, especially at night. Use copper tape barriers. Apply slug baits. Remove debris and hiding spots

Uses

🏠

Ornamental Foliage & Container Gardens

Household

Silver Ghost is widely used as a foliage accent in mixed container plantings, annual borders, and landscape designs. Its silvery color provides striking contrast to darker-colored flowering plants and enriches overall garden aesthetics. [source]

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Cut Flower Arrangements

Craft

The silvery-white stems and delicate foliage are prized by floral designers for fresh and dried arrangements. Stems add texture and a soft color palette to bouquets and decorative displays. [source]

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Traditional Herbal Use

Medicinal

Senecio species have been used in traditional medicine, though modern use is limited. Some cultures used related species for respiratory and digestive purposes, though efficacy is not scientifically established. [source]

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Pollinator Support

Wildlife

When allowed to flower, the small yellow blooms attract bees and other pollinators to the garden, providing a food source during the growing season. [source]

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Edible Garnish (Minimal)

Culinary

While not commonly eaten, Silver Ghost foliage can be used sparingly as an ornamental garnish in some cuisines, valued more for visual appeal than flavor. [source]

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

Harvest Tips

Silver Ghost is grown for foliage rather than harvest. Pinch or trim stems regularly to maintain bushiness and desired shape. Remove any dead or yellowing leaves promptly. Cut stems can be used in fresh flower arrangements for their silvery color. In late summer, allow some flowers to go to seed if you wish to collect seeds for next season (seeds mature in fuzzy seed heads)

Fun Facts

  • 🌱 Silver Ghost's foliage gets its distinctive silvery color from tiny hairs (trichomes) that cover the leaf surface, which also helps the plant reflect sunlight and reduce water loss in hot conditions.
  • 🌱 This plant is native to the Mediterranean region and is salt-tolerant, making it an excellent choice for coastal gardens and areas with saline soils.
  • 🌱 In the Victorian era, Silver Ghost was extremely popular as a 'dot plant' in formal bedding schemes—a central tall plant surrounded by lower-growing annuals.

Gardening Terms

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