The Story
Plant Bio
Leptinella squalida 'Platt's Black' is appreciated for its deep black foliage and low-growing habit, making it a popular choice for ground cover.
It's known for its striking dark color which provides a bold contrast in garden settings.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Groundcover
Height
2 inches
Width
12 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
New Zealand
Toxicity
Non-toxic to pets and humans
Bloom period
Early summer – Late summer
In flower about 3 months of the year
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into well-draining soil in early spring.
- Mist cuttings regularly to maintain humidity.
- Transplant young plants after last frost for best results.
- Apply a light layer of mulch to conserve moisture.
- Water consistently during dry periods, especially in summer.
- Fertilize with a balanced, slow-release fertilizer in spring.
Pro Tip
Ensure soil remains moist but not waterlogged for optimal growth.
Keep It Thriving
Care Guide
Do
- Water regularly, especially during dry spells 💧
- Provide well-draining soil to prevent root rot 🌱
- Prune lightly to maintain shape and promote bushiness ✂️
Don't
- Avoid overwatering to prevent fungal issues ❌
- Do not neglect pruning, as it encourages healthy growth ✂️
- Keep away from heavy, clay soils that retain excess water ❌
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Plant | ||||||||||||
| Prune | ||||||||||||
| Spring Cleanup |
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
Platt's Black Brass Buttons questions
What zones can Platt's Black Brass Buttons grow in?
Platt's Black Brass Buttons is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Platt's Black Brass Buttons deer resistant?
Yes — Platt's Black Brass Buttons is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Platt's Black Brass Buttons bloom?
Platt's Black Brass Buttons typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Platt's Black Brass Buttons need full sun?
Platt's Black Brass Buttons does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Leptinella to compare
Keep exploring
Explore the genus
Grow Platt's Black Brass Buttons 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.


