How to Grow Zonal Geranium Scarlet

Zonal Geranium Scarlet

Pelargonium × hortorum 'Scarlet'

flower

Zonal Geranium Scarlet is a vibrant annual or tender perennial flowering plant known for its brilliant red blooms and distinctive dark-banded foliage. It's a classic ornamental plant perfect for containers, beds, and borders, offering continuous color throughout the growing season with minimal maintenance required.

Looking for a specific variety?

Red Attraction Scarlet Elite Dark Red Ivy Patriot Scarlet Tango Scarlet Orangered

Growing Conditions

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Sun: Full sun, 6-8 hours daily; tolerates partial shade but blooms more prolifically in full sun

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Water: Water moderately when soil surface is dry; allow soil to dry slightly between waterings. Overwatering causes root rot. In hot climates, water more frequently but ensure excellent drainage. Reduce watering in cool seasons.

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Spacing: 12-15 inches apart for optimal air circulation and plant development inches

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Days to maturity: 45-60 days from transplant to first blooms

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Planting depth: Plant transplants at same depth as nursery container; seeds should be pressed into soil surface and lightly misted

Soil

Type: Well-draining loamy soil with moderate fertility

pH: 6.0-6.8

Amendments:

Peat moss or coconut coir for moisture retention Perlite or sand for drainage Balanced slow-release fertilizer

Growing Zones

Find your zone →

Best in zones 5-10; grown as annuals in cooler zones, as perennials in zones 9-11

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b

Growth Stages

Seedling

2-3 weeks

Small plants with 2-4 true leaves, delicate and vulnerable to overwatering

Provide bright indirect light, keep soil moist but not waterlogged, maintain 65-75°F temperature, ensure good air circulation to prevent damping-off

Vegetative

3-4 weeks

Bushy growth develops with characteristic zoned leaves (dark bands on lighter green), no flowers yet

Pinch growing tips to encourage branching, provide full sun, water when soil surface is dry, fertilize every 2-3 weeks with balanced fertilizer

Budding

2-3 weeks

Flower buds form in clusters at branch tips, plant continues producing new growth

Maintain consistent watering and full sun, reduce nitrogen fertilizer to encourage more blooms, watch for pests

Flowering

8-12 weeks or until frost

Brilliant scarlet flowers bloom in dense clusters (umbels); continuous flowering throughout season with proper deadheading

Deadhead spent flowers regularly to promote continuous blooming, reduce nitrogen fertilizer, maintain consistent watering, provide full sun, fertilize with phosphorus-rich blend every 2 weeks

Decline/Dormancy

4-6 weeks (seasonal)

Plant slows growth in cool weather or when overwintered indoors; foliage may become less vibrant

Reduce watering and fertilizing, maintain cooler temperatures (50-60°F), provide good light, remove dead foliage, prepare for overwintering indoors in cold climates

Companion Planting

Plan your garden →

Plant with:

Ivy Dusty Miller Petunias Marigolds Verbena Salvia Calibrachoa Sweet Alyssum

Avoid planting near:

Plants with very high water needs Impatiens Hostas Sedges

Common Pests

Spray with insecticidal soap or neem oil; encourage natural predators; reduce nitrogen fertilizer
Increase humidity and air circulation, spray with water, apply neem oil or miticide if severe
Spray with strong water jet, apply insecticidal soap, use neem oil, release natural predators like ladybugs
Remove affected leaves, improve air circulation, reduce overhead watering, apply fungicide if severe, avoid wetting foliage
Hand-pick larvae and buds, apply Bacillus thuringiensis (Bt), use pheromone traps

Uses

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Scented geranium varieties for flavor

Culinary

While scarlet geranium flowers are edible and used for garnish, scented varieties of geraniums (different cultivars) are preferred for culinary use in teas and desserts due to their aromatic essential oils. [source]

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Cut flowers and arrangements

Household

The vibrant scarlet blooms are excellent for fresh flower arrangements, centerpieces, and decorative displays lasting 7-10 days in water. The bold color adds impact to any indoor or outdoor setting. [source]

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Flower pressing and drying

Craft

Scarlet geranium flowers can be pressed in books or dried for use in crafts, scrapbooking, and decorative projects. The pressed flowers retain their vibrant red color well when dried properly. [source]

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Traditional herbal remedies

Medicinal

Historically, geraniums have been used in traditional herbal medicine for their astringent properties, though scarlet zonal geraniums are primarily ornamental and less commonly used medicinally than specialty scented cultivars. [source]

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Pollinator attraction

Wildlife

Zonal Geranium Scarlet attracts hummingbirds, bees, and other pollinators with its abundant nectar and pollen, making it valuable for supporting garden ecosystems and wildlife. [source]

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

Harvest Tips

Zonal Geraniums are ornamental flowers, not harvested for food. Deadhead spent flower clusters regularly to encourage continuous blooming throughout the season. Pinch back leggy growth to maintain bushy shape. Cut stems can be used fresh in arrangements. For seed collection, allow some flowers to fade and dry on plant, then harvest seed heads when brown and papery.

Fun Facts

🌱 Zonal Geraniums are native to South Africa and were first hybridized in Europe in the 19th century, becoming one of the most popular bedding plants worldwide.
🌱 The distinctive 'zone' marking on the leaves (darker band) is actually a naturally occurring color pattern that gives this plant type its name and is enhanced by cooler temperatures and bright light.
🌱 Zonal Geraniums can live for many years as indoor houseplants in cooler climates and are often kept as heirlooms, with gardeners propagating cuttings from plants their grandparents grew.

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