How to Grow Ivy Geranium Volcano Scarlet

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Ivy Geranium Volcano Scarlet

Pelargonium peltatum 'Volcano Scarlet'

flower

Ivy Geranium Volcano Scarlet is a trailing cultivar of ivy geranium known for its vibrant scarlet-red flowers and cascading growth habit. It produces clusters of semi-double blooms throughout the growing season and is ideal for hanging baskets, containers, and window boxes. This heat and drought-tolerant variety is a popular choice for gardeners seeking long-lasting color with minimal maintenance.

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Example Ivy Geranium Volcano Scarlet timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Ivy Geranium Volcano Scarlet

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Ivy Geranium Volcano Scarlet blooms

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Ivy Geranium Volcano Scarlet dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily for best flowering; tolerates partial shade but blooms more prolifically in full sun
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Water: Water when top inch of soil is dry; allow soil to dry between waterings. Reduce watering in winter. Avoid overwatering, which causes root rot and leaf yellowing. In containers, check moisture daily during hot weather.
📏
Spacing: 12 inches
📅
Days to maturity: 60-90 days to first flowers from transplant
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Planting depth: Plant transplants at soil level; do not bury stem

Soil

Type: Well-draining, sandy loam soil
pH: 6.0-6.8
Amendments:
Perlite or coarse sand for drainage Compost or aged bark mulch Avoid heavy clay soils

Growing Zones

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Thrives in zones 9b-11; typically grown as an annual in cooler climates

9b 10a 10b 11a 11b

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Growth Stages

1

Transplant Establishment

2-3 weeks

Young plants with compact growth and initial branching

Water regularly but allow soil to dry slightly between waterings. Pinch growing tips once to encourage bushier growth. Place in bright light but avoid intense sun for first week.

2

Vegetative Growth

3-4 weeks

Rapid trailing stem development with dark green ivy-shaped leaves; minimal flowering

Continue pinching back stems to control shape and density. Feed with balanced fertilizer every 2 weeks. Ensure good air circulation to prevent fungal issues.

3

Early Flowering

2-3 weeks

First clusters of scarlet semi-double flowers appear along stems

Switch to higher phosphorus fertilizer to encourage flowering. Remove spent flower clusters (deadhead) regularly. Maintain consistent watering as plants produce more blooms.

4

Peak Flowering & Trailing

8-16 weeks or longer

Abundant cascading stems laden with scarlet flower clusters; full mature size reached

Deadhead spent flowers 2-3 times weekly for continuous blooms. Fertilize every 10-14 days with low-nitrogen formula. Water deeply but allow drying between applications.

5

Decline (Winter/End of Season)

Variable; until frost or end of desired growing period

Reduced flowering, leaf yellowing or drop in cool weather or after frost

In frost-free zones, cut back by one-third to rejuvenate. In cooler zones, this is end of season; compost plant or bring indoors. Reduce watering and fertilizer.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Brassicas (cabbage, broccoli) Fennel Plants requiring consistently moist soil

Common Pests

  • Spray with water to dislodge; use neem oil or insecticidal soap. Increase humidity. Remove heavily infested leaves.

  • Yellow sticky traps, insecticidal soap, neem oil. Improve air circulation. Check undersides of leaves regularly.

  • Isolate infested plant. Spray with neem oil or insecticidal soap weekly for 3 weeks. Dab with rubbing alcohol on cotton swabs.

  • Allow soil to dry between waterings. Use yellow sticky traps. Apply beneficial nematodes to soil.

  • Remove affected foliage immediately. Improve air circulation and reduce humidity. Avoid overhead watering. Apply fungicide if severe.

Uses

🏠

Container & Hanging Basket Displays

Household

Ivy Geranium Volcano Scarlet is ideal for cascading over edges of hanging baskets, window boxes, and mixed containers. Its trailing habit can extend 12-24 inches, creating dramatic color displays with minimal effort. [source]

🦋

Pollinator Attraction

Wildlife

The bright scarlet flowers attract butterflies, bees, and other pollinators to garden and container spaces. Geraniums are favored nectar sources that extend blooming support throughout the growing season. [source]

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Heat & Drought Tolerance

Household

Once established, Ivy Geranium Volcano Scarlet requires minimal water and thrives in hot, sunny locations where many flowers struggle. This makes it an excellent low-maintenance choice for water-conscious gardeners. [source]

🎨

Cut Flower Arrangements

Craft

Trailing stems with clusters of scarlet flowers can be cut and arranged in vases or mixed arrangements. The long stems and vibrant color add texture and visual interest to fresh floral designs. [source]

🍳

Edible Flowers & Garnish

Culinary

Ivy geranium flowers are technically edible with a slightly peppery, geranium-scented flavor and can be used as garnish for desserts, salads, and beverages. However, ensure the plant has not been treated with pesticides. [source]

Harvest Tips

Ivy geraniums are grown for ornamental flowers, not harvest. Deadhead spent flower clusters by pinching or cutting just below the flower head to encourage continuous blooming. Remove yellowed or diseased leaves as they appear. For propagation, take 3-4 inch cuttings of healthy stems in spring or early summer and root in moist, well-draining potting mix.

Fun Facts

  • 🌱 Ivy Geranium Volcano Scarlet was developed in France and is part of the Volcano series, which includes several bright color cultivars. The semi-double flower form gives the blooms extra fullness and visual impact.
  • 🌱 Despite the common name 'geranium,' Pelargonium species are not true geraniums (genus Geranium). The common name is a historical misnomer that has stuck; true geraniums are hardy perennials, while pelargoniums are tender perennials treated as annuals in most climates.
  • 🌱 Ivy geraniums are more heat and drought-tolerant than zonal geraniums (Pelargonium × hortorum) and were originally selected from ivy-leaved wild species native to South Africa. This heritage gives them superior performance in hot, dry container environments.

Gardening Terms

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