The Story
Plant Bio
Pleiospilos nelii, commonly known as Split Rock, is a succulent plant with distinctive, split leaves that resemble rocks.
This cultivar is unique due to its striking leaf patterns and its ability to thrive in arid conditions.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Cactus Succulent
Height
12 inches
Width
12 inches
Light
Full Sun, Partial Sun
Zones
7, 8, 9
Water
Low
Humidity
Low
Lifespan
5+ years
Native To
South Africa
Toxicity
Non-toxic
Bloom period
Late summer – Early fall
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds into well-draining soil in spring for best germination.
- Mist cuttings lightly once roots develop, usually in 2-4 weeks.
- Place in bright, indirect sunlight to promote healthy growth.
- Water sparingly, allowing soil to dry out completely between watering.
- Fertilize with cactus or succulent fertilizer during spring and summer.
- Transplant carefully when rootbound or if growth becomes crowded.
Pro Tip
Use a sandy, gritty soil mix and ensure excellent drainage to prevent rot.
Keep It Thriving
Care Guide
Do
- Water deeply but infrequently to avoid overwatering 🌱
- Provide bright, indirect sunlight for optimal growth
- Use well-draining soil to prevent root rot
- Fertilize during active growing season with cactus-specific fertilizer
Don't
- Avoid overwatering, especially in winter ❌
- Don’t expose to direct, harsh afternoon sun in extreme heat
- Never use heavy clay soil that retains moisture
- Avoid disturbing roots unnecessarily
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Plant | ||||||||||||
| Winter Prep |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Split Rock Plant questions
What zones can Split Rock Plant grow in?
Split Rock Plant is hardy in USDA Zones 7–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Split Rock Plant deer resistant?
Not reliably. Deer may browse Split Rock Plant, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Split Rock Plant bloom?
Split Rock Plant typically blooms in late summer through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Split Rock Plant need full sun?
Split Rock Plant does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Split Rock Plant drought tolerant?
Yes — once established (usually after the first full season), Split Rock Plant 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 Split Rock Plant 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.