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:
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
- Tuck seeds or cuttings into well-draining soil in spring.
- Water regularly but do not overwater; allow soil to dry between watering.
- Place in full sun for best flowering performance.
- Fertilize monthly with a balanced liquid feed during active growth.
- Pinch back to promote bushiness and remove spent flowers.
- 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
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Pinch | ||||||||||||
| Winter Prep |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
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.
More Pelargonium to compare

'Lord Bute' Regal Pelargonium
Pelargonium x hortorum 'Lord Bute'

Zonal Geranium 'Appleblossom'
Pelargonium x hortorum 'Appleblossom'

Azure Rush Zonal Geranium
Pelargonium x hortorum 'Azure Rush'

Midnight Ghost Geranium
Pelargonium x hortorum 'Midnight Ghost'

White Zonal Geranium
Pelargonium x hortorum 'White'

Breeders Mix Zonal Geranium
Pelargonium x hortorum 'Breeders Mix'
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.



















