How to Grow Regal Pelargonium 'Black Velvet'

Wikimedia Commons

Regal Pelargonium 'Black Velvet'

Pelargonium × domesticum 'Black Velvet'

flower

Regal Pelargonium 'Black Velvet' is an ornamental flowering plant prized for its deep burgundy-black foliage and striking dark purple flowers with velvety texture. This compact cultivar produces abundant blooms from spring through early summer and makes an excellent container plant for patios, greenhouses, and indoor windowsills.

When should you plant Regal Pelargonium 'Black Velvet' in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Regal Pelargonium 'Black Velvet' timeline →

Example Regal Pelargonium 'Black Velvet' timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Regal Pelargonium 'Black Velvet'

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Regal Pelargonium 'Black Velvet' blooms

    Around Jun 1

    ≈ 45 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Regal Pelargonium 'Black Velvet' dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to bright indirect light, 6-8 hours daily (may appreciate afternoon shade in very hot climates)
💧
Water: Water when top inch of soil is dry; keep consistently moist but never waterlogged. Reduce watering in winter. Avoid wetting foliage to prevent fungal issues.
📏
Spacing: 12-18 inches
📅
Days to maturity: 45-60 days to first blooms from transplants
🌱
Planting depth: Same depth as nursery pot (do not bury stem); surface-sow seeds lightly and press into soil

Soil

Type: Well-draining potting mix or loamy soil
pH: 6.0-6.5
Amendments:
Peat moss Perlite Compost Horticultural sand for drainage

Growing Zones

Find your zone →

Thrives in zones 9-11; grow as annual or potted specimen in cooler zones

9a 9b 10a 10b 11a 11b

Sign up free to see if Regal Pelargonium 'Black Velvet' grows in your zone — and get a personalized planting timeline.

Get my Regal Pelargonium 'Black Velvet' timeline →

Growth Stages

1

Seedling

2-3 weeks

Tiny green leaves emerge from soil; dark foliage coloring develops gradually. Plant appears fragile with 2-4 true leaves.

Maintain high humidity (60-70%), provide bright indirect light, keep soil moist but not waterlogged. No fertilizer needed yet.

2

Vegetative Growth

3-4 weeks

Plant develops bushy form with increasingly dark, deeply lobed foliage. Stems strengthen and multiple shoots emerge. Foliage intensifies to deep burgundy-black.

Pinch back growing tips to encourage branching. Begin light fertilizing (low nitrogen). Increase light exposure gradually. Ensure excellent drainage.

3

Budding

2-3 weeks

Dense clusters of buds form at branch tips. Buds are initially green, gradually deepening in color to dark purple. Plant becomes fuller and more compact.

Maintain consistent moisture and bright light. Feed with flowering fertilizer (higher phosphorus). Ensure good air circulation. Deadhead any early blooms to maximize flower production.

4

Flowering

4-8 weeks

Abundant velvety, dark purple flowers open in dense clusters (umbels). Dark foliage provides striking contrast to blooms. Plant reaches peak ornamental value.

Continue regular fertilizing (every 2 weeks). Deadhead spent flowers consistently to extend bloom period. Water at soil level to protect flowers. Reduce heat stress.

5

Post-Bloom & Maintenance

Variable

Flowering diminishes as temperatures rise in summer. Plant may rest or produce sparse blooms. Foliage remains attractive year-round.

Reduce fertilizing. Allow plant to rest in cooler location. Cut back stems by 1/3 to rejuvenate. Overwintering indoors in cool, bright location (55-65°F) may initiate second flush of blooms.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Brassicas (cabbage, broccoli) Fennel Tomatoes Corn

Common Pests

  • Spray with insecticidal soap or neem oil; introduce yellow sticky traps; ensure good air circulation

  • Wipe affected areas with rubbing alcohol on cotton swab; apply systemic insecticide if severe; improve drainage and reduce humidity

  • Increase humidity; spray with water to dislodge; use miticide if infestations persist

  • Remove infected plant material immediately; improve air circulation; reduce humidity; avoid wetting foliage

  • Use well-draining soil; avoid overwatering; repot into fresh soil if detected; improve aeration

Uses

🏠

Cut Flowers & Floral Arrangements

Household

The striking deep purple flowers with velvety texture and dark foliage make excellent cut flowers for arrangements, adding dramatic color contrast. Regal Pelargonium cultivars are popular in formal floral designs. [source]

🏠

Ornamental Container & Patio Plants

Household

This cultivar excels as a specimen plant in containers, hanging baskets, and window boxes due to its compact, bushy growth habit and season-long flowering. The striking dark foliage adds visual interest even when not in bloom. [source]

🎨

Pressed Flowers & Botanical Art

Craft

The velvety petals and deep purple color retain character when pressed, making them suitable for pressed flower crafts, botanical art projects, and herbarium specimens. [source]

💊

Traditional Herbal Properties

Medicinal

Pelargonium species have a long history in traditional herbal medicine, with some cultures using flower and leaf infusions for respiratory and digestive support, though scientific evidence is limited. [source]

🦋

Pollinator Attraction

Wildlife

The abundant flowers attract bees, butterflies, and hoverflies, making this cultivar valuable for supporting pollinator populations in gardens and containers. [source]

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

Harvest Tips

Regal Pelargoniums are ornamental flowers rather than culinary plants. Deadhead spent blooms regularly to encourage continuous flowering throughout the season. Cut flowers can be used in arrangements; harvest in early morning when stems are turgid. Pinch back stems periodically to maintain compact shape.

Fun Facts

  • 🌱 Regal Pelargoniums are distinct from common zonal geraniums; they were developed in Victorian times and were highly prized greenhouse specimens, often displayed at flower shows.
  • 🌱 The dark 'Black Velvet' foliage contains higher concentrations of anthocyanins (dark purple pigments), which also protect the plant from intense sunlight stress.
  • 🌱 Unlike many geraniums, Regal Pelargoniums bloom primarily in spring and early summer, then rest during hot months—a trait reflecting their cool-season preference inherited from their South African parent species.

Gardening Terms

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

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Regal Pelargonium 'Black Velvet' planting timeline

Tell us your zip code and we'll calculate exactly when to start Regal Pelargonium 'Black Velvet' seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Regal Pelargonium 'Black Velvet' timeline →