annual

White Splash Geranium

Pelargonium x hortorum 'White Splash'

The Story

Plant Bio

Pelargonium x hortorum, commonly known as zonal geranium, features rounded, aromatic leaves with distinctive banding and clusters of vibrant, often bi-colored flowers that bloom profusely during warmer months.

This cultivar, White Splash, is distinguished by its striking white and green variegated foliage complemented by pure white flowers, making it a standout choice for bright, decorative containers and borders.

Uses & Benefits:

Ornamental UsesProvides vibrant, variegated foliage and bright flowers, enhancing visual appeal.
Practical UsesRequires minimal watering once established, ideal for low-maintenance gardens.
Ecological BenefitsAttracts beneficial insects and pollinators, supporting garden biodiversity.
SpeciesPelargonium x hortorumZonal Geranium

Essentials

At a Glance

Plant Type

Annual

Height

12 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

10

Water

Moderate

Humidity

Average

Lifespan

Tender perennial

Native To

South Africa

Toxicity

Toxic to dogs, cats, and horses.

Planting

How to Grow

  1. Tuck seeds or cuttings into well-draining soil in spring.
  2. Water regularly but do not overwater; allow soil to dry between watering.
  3. Place in full sun for best flowering performance.
  4. Fertilize monthly with a balanced liquid feed during active growth.
  5. Pinch back to promote bushiness and remove spent flowers.
  6. Protect from frost by bringing indoors or providing cover.

Pro Tip

Ensure excellent drainage to prevent root rot and promote healthy growth.

Keep It Thriving

Care Guide

Do

  • Water when the top inch of soil feels dry 🌱
  • Pinch back to encourage fuller growth
  • Use balanced fertilizer monthly

Don't

  • Overwater to avoid root rot ❌
  • Allow soil to stay waterlogged ❌
  • Neglect deadheading

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Fertilize
Pinch
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Colorful window boxVivid container displayVanilla-scented border

Companion Plants

Petunias LobeliaSweet alyssum Marigolds

Multiply

Propagation Methods

Good to Know

Common Questions

White Splash Geranium questions

What zones can White Splash Geranium grow in?

White Splash Geranium is hardy in USDA Zone 10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is White Splash Geranium deer resistant?

Yes — White Splash Geranium is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does White Splash Geranium bloom?

White Splash Geranium typically blooms in late spring to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does White Splash Geranium need full sun?

White Splash Geranium does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is White Splash Geranium drought tolerant?

Yes — once established (usually after the first full season), White Splash Geranium handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.

Keep exploring

Explore the genus

Hardy in your zone?

Grow White Splash Geranium with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.