
Black Lipstick Iris
Iris germanica 'Black Lipstick'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
30 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
5-10 years
Native To
Mediterranean region
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Tall, sturdy perennial with striking dark flowers. Unique deep purple-black blooms that create a dramatic contrast in the garden.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck rhizomes 2 inches deep in well-draining soil in early spring.
- Water regularly to keep soil moist but not waterlogged.
- Mist foliage during dry spells to prevent dehydration.
- Fertilize with a balanced fertilizer in early spring and after blooming.
- Divide clumps every 3-4 years in late summer or early fall.
- Remove dead foliage in late fall to encourage healthy growth.
Pro Tip
Plant in full sun for best flowering and ensure excellent drainage to prevent rot.
Keep It Thriving
Care Guide
Do
- Water consistently during active growth ๐ฑ
- Use a balanced fertilizer in spring and after bloom ๐ฑ
- Remove spent flowers to encourage rebloom ๐ฑ
- Divide clumps every 3-4 years ๐ฑ
Don't
- Avoid overwatering to prevent rhizome rot โ
- Do not plant in heavy clay soil without amendment โ
- Refrain from pruning leaves in late fall โ
- Avoid planting too deep or too shallow โ
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
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
Black Lipstick Iris questions
What zones can Black Lipstick Iris grow in?
Black Lipstick Iris is hardy in USDA Zones 5โ8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Black Lipstick Iris deer resistant?
Yes โ Black Lipstick Iris is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Black Lipstick Iris bloom?
Black Lipstick Iris typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone โ Sow's bloom calendar maps it to your garden.
Does Black Lipstick Iris need full sun?
Black Lipstick Iris does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Black Lipstick Iris drought tolerant?
Yes โ once established (usually after the first full season), Black Lipstick Iris handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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Keep exploring
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Hardy in your zone?
Grow Black Lipstick Iris 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.
