Black Gamecock Yellow Flag
Iris pseudacorus 'Black Gamecock'
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8, 9
Water
Moist to wet soils
Humidity
Moderate to high
Lifespan
Perennial
Native To
Europe, North Africa, Western Asia
Toxicity
Toxic to livestock if ingested
The Story
Plant Bio
Black Gamecock is a striking cultivar of the yellow flag iris, known for its dark, almost black flowers. This cultivar stands out due to its unique dark coloration compared to other Iris pseudacorus varieties.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck rhizomes into well-drained soil with plenty of organic matter.
- Water thoroughly after planting to establish roots.
- Mist cuttings in early spring for propagation.
- Transplant in early spring or fall for best results.
- Divide clumps every 3-4 years to control size and promote growth.
- Mulch around plants to retain moisture and suppress weeds.
Pro Tip
Plant in full sun with moist soil for vibrant blooms and healthy growth.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil consistently moist 💧
- Fertilize with a balanced fertilizer in early spring 🌱
- Prune back dead or damaged leaves to encourage new growth
Don't
- Avoid letting soil dry out completely ❌
- Don’t plant in overly dry or sandy soils
- Refrain from disturbing rhizomes excessively
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| 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 Gamecock Yellow Flag questions
What zones can Black Gamecock Yellow Flag grow in?
Black Gamecock Yellow Flag is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Black Gamecock Yellow Flag deer resistant?
Yes — Black Gamecock Yellow Flag is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Black Gamecock Yellow Flag bloom?
Black Gamecock Yellow Flag 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 Black Gamecock Yellow Flag need full sun?
Black Gamecock Yellow Flag does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Iris to compare
German Iris Bearded Iris
Iris germanica 'Mix'
Celebration Song Iris
Iris tenuissima 'Celebration Song'
Dutch Iris Mix
Iris hollandica 'Mix'
Siberian Iris 'Paprikash'
Iris x hybrida 'Paprikash'
Poem of Ecstasy German Iris
Iris x germanica 'Poem Of Ecstasy'
Baboon Bottom Bearded Iris
Iris germanica 'Baboon Bottom Bearded'
Keep exploring
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Hardy in your zone?
Grow Black Gamecock Yellow Flag 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.
