How to Grow Ivy Geranium 'Balcon Imperial'

Ivy Geranium 'Balcon Imperial'

Pelargonium peltatum 'Balcon Imperial'

flower

Ivy Geranium 'Balcon Imperial' is a trailing cultivar of ivy-leaved geranium prized for its cascading growth habit and vibrant deep red flowers with darker veining. It produces semi-double blooms abundantly throughout the growing season and is ideal for hanging baskets, window boxes, and container gardening. This variety is a classic European balcony plant with exceptional heat and drought tolerance once established.

Growing Conditions

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Sun: Full sun, 6-8 hours daily; tolerates partial shade but blooms more profusely 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. Drought-tolerant once established; avoid waterlogging which causes root rot.

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Spacing: 12-18 inches

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Days to maturity: 30-60 days to first bloom from transplant

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Planting depth: Plant transplants at same depth as nursery container; seeds surface-sown or barely covered

Soil

Type: Well-draining potting soil or sandy loam

pH: 6.0-6.5

Amendments:

Perlite or coarse sand for drainage Compost for organic matter Aged manure for slow nutrient release

Growing Zones

Find your zone →

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

9b 10a 10b 11a 11b

Growth Stages

Seedling

3-4 weeks

Small heart-shaped cotyledons emerge; first true leaves develop with characteristic scalloped edges

Keep soil consistently moist but not waterlogged; provide bright light; maintain 65-75°F; thin seedlings when 2-3 leaves appear

Vegetative Growth

4-6 weeks

Plant develops trailing stems with ivy-shaped leaves; vigorous elongation with 6-8 inch stems

Reduce watering frequency; allow soil to dry between waterings; pinch growing tips to encourage branching; begin weekly fertilizing with balanced fertilizer

Bud Formation

2-3 weeks

Flower clusters appear at stem tips; buds develop from tight green knobs into recognizable pre-bloom stage

Continue balanced fertilizer; switch to higher phosphorus formula (lower nitrogen) to promote flowering; maintain even moisture; ensure full sun exposure

Flowering

10-16 weeks or until frost

Semi-double deep red flowers with darker veining bloom in clusters; continuous bloom throughout season in favorable conditions

Deadhead spent flowers to encourage continuous blooming; maintain regular watering schedule; fertilize every 2 weeks with flower-promoting formula; reduce fertilizer in late summer to slow growth

Dormancy/Winter Rest

8-12 weeks

Growth slows significantly in cooler months; leaves may show some discoloration; flowering diminishes or stops

Water sparingly, only when soil is quite dry; reduce fertilizing or stop completely; prune back 1/3 in late winter to promote spring growth; maintain cool temperatures (50-60°F if possible)

Companion Planting

Plan your garden →

Plant with:

Diascia Bacopa Petunias Verbena Calibrachoa Dusty Miller Trailing Lobelia Fuchsia

Avoid planting near:

Vegetables with high water requirements Plants susceptible to powdery mildew in humid conditions

Common Pests

Spray with water to dislodge; use insecticidal soap or neem oil; increase humidity to discourage infestations
Yellow sticky traps; insecticidal soap; neem oil spray; avoid excessive nitrogen fertilization
Strong water spray; insecticidal soap; neem oil; introduce ladybugs or lacewings
Hand-pick affected buds; use Bt (Bacillus thuringiensis); remove infested plant material
Ensure good air circulation; avoid overhead watering; apply sulfur or baking soda spray; remove affected leaves

Uses

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Container & Hanging Garden Displays

Household

Perfect for hanging baskets, window boxes, balcony railings, and mixed container gardens where its cascading stems create dramatic vertical color. The trailing habit makes it ideal for softening hard edges and creating lush, colorful displays on patios and terraces. [source]

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Dried Flower & Arrangement Material

Craft

Flowers and foliage can be dried for use in dried floral arrangements, wreaths, and potpourri. The ivy-shaped leaves are attractive even when dried and retain their structure well. [source]

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Pollinator Attraction

Wildlife

The abundant semi-double flowers attract bees, hoverflies, and other beneficial pollinators despite being somewhat less accessible than single flowers due to their double petals. Still provides important nectar and pollen sources for gardens. [source]

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Heat & Drought Tolerant Landscaping

Household

Excellent for xeriscaping and water-conserving gardens once established. Thrives in hot, exposed locations where many other tender plants struggle, making it economical for maintenance-conscious gardeners. [source]

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Edible Flowers & Scented Leaf Varieties

Culinary

While 'Balcon Imperial' itself is primarily ornamental, ivy geraniums produce edible flowers with a pleasant peppery flavor suitable for salads and garnishes. The foliage carries a mild geranium scent when brushed. [source]

Harvest Tips

This ornamental is grown for flowers rather than harvested for food, but deadheading (removing spent flower clusters) encourages more blooms. Pinch off faded flower heads at the base of the cluster to maintain neat appearance and promote continuous flowering throughout the season.

Fun Facts

🌱 The name 'Balcon' refers to its traditional use in European balcony gardens, particularly in Mediterranean regions, where it has been a beloved cultivar since the late 19th century.
🌱 Despite the common name 'geranium,' Pelargonium is a different genus from true geraniums (Geranium); the confusion arose from early botanical naming and has persisted in common usage for over 200 years.
🌱 'Balcon Imperial' is notably heat-loving and actually thrives better in hot, sunny conditions than many other tender perennials, making it one of the most reliable choices for summer color in challenging climates.

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