Species
2 other cultivars
The Story
Plant Bio
A vigorous, spreading, water-loving iris, this hybrid features classic violet-blue flowers with yellow signals on the falls. Its foliage is notable for emerging with a rich purple flush in spring before maturing to green.
Valued for its robust nature, ability to thrive in wet soils and even shallow water, and its attractive, purple-tinged new foliage in spring. It is a natural hybrid of two North American native species.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
30 inches
Width
21 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
High
Humidity
Average
Lifespan
Perennial
Native To
North America (Hybrid)
Toxicity
All parts are toxic if ingested
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Select well-drained soil with neutral to slightly acidic pH.
- Tuck thick rhizomes 4-6 inches apart in early spring.
- Water thoroughly after planting to settle soil around roots.
- Mist cuttings or divide mature plants in early spring for propagation.
- Mulch around plants to retain moisture and suppress weeds.
- Fertilize with a balanced fertilizer in early spring and mid-summer.
Pro Tip
Ensure good drainage to prevent rhizome rot and promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water regularly during active growth 🌱
- Apply balanced fertilizer in spring and summer
- Mulch to conserve moisture and control weeds
- Divide clumps every 3-4 years for rejuvenation
Don't
- Avoid overwatering, which can cause rot ❌
- Don’t plant in poorly drained soil
- Refrain from pruning after flowering to allow seed set
- Don’t disturb plants during dormancy
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Pest Check | ||||||||||||
| 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
Gerald Darby Iris questions
What zones can Gerald Darby Iris grow in?
Gerald Darby Iris 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 Gerald Darby Iris deer resistant?
Yes — Gerald Darby Iris is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Gerald Darby Iris bloom?
Gerald Darby Iris typically blooms in late spring to early summer through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Gerald Darby Iris need full sun?
Gerald Darby Iris 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 x germanica 'Mix'
Celebration Song Iris
Iris tenuissima 'Celebration Song'
Poem of Ecstasy German Iris
Iris x germanica 'Poem Of Ecstasy'
Siberian Iris 'Paprikash'
Iris x hybrida 'Paprikash'
Dutch Iris Mix
Iris x hollandica 'Mix'
Baboon Bottom Bearded Iris
Iris x germanica 'Baboon Bottom Bearded'
Keep exploring
Explore the genus
Grow Gerald Darby 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.