Species

Iris x germanicaGerman Iris

110 other cultivars

perennial

Dangerous Liaison Bearded Iris

Iris x germanica 'Dangerous Liaison'

The Story

Plant Bio

Dangerous Liaison is a tall, bearded iris known for its striking purple and black flowers.

This cultivar features unique color patterns and exceptional vigor, setting it apart from other irises.

Uses & Benefits:

Provides striking purple flowers with a pleasant fragrance, ideal for borders and flower beds.

Low-maintenance perennial that blooms reliably each year.

Supports pollinators like bees and butterflies during blooming season.

SpeciesIris x germanicaGerman Iris

Essentials

At a Glance

Plant Type

Perennial

Height

36 inches

Width

24 inches

Light

Full Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Hybrid origin

Toxicity

All parts are toxic if ingested; can cause skin irritation.

Bloom period

Late spring

In flower about 1 month of the year

Planting

How to Grow

Tuck rhizomes 2 inches deep in well-draining soil.
Water regularly to keep soil moist but not soggy.
Mist leaves during dry spells for best growth.
Divide clumps every 3-4 years in late summer.
Apply balanced fertilizer in early spring for vigorous blooms.
Remove spent flowers to encourage reblooming.

Pro Tip

Plant in full sun for the brightest, most vibrant flowers.

Keep It Thriving

Care Guide

Do

Water deeply during dry periods 🌱
Remove dead foliage to prevent disease
Apply fertilizer in early spring

Don't

Avoid overwatering which can cause rot ❌
Don’t plant too deep, roots need light access
Skip fertilizing in late fall

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Fertilize
Pest Check
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid flower bordersElegant perennial bedsColorful rock gardens

Companion Plants

Daylilies Peonies Allium Salvia Sedum

Multiply

Propagation Methods

Good to Know

Common Questions

Dangerous Liaison Bearded Iris questions

What zones can Dangerous Liaison Bearded Iris grow in?

Dangerous Liaison Bearded 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 Dangerous Liaison Bearded Iris deer resistant?

Yes — Dangerous Liaison Bearded Iris is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Dangerous Liaison Bearded Iris bloom?

Dangerous Liaison Bearded Iris typically blooms in late spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Dangerous Liaison Bearded Iris need full sun?

Dangerous Liaison Bearded Iris does best in full sun (6+ hours).

Is Dangerous Liaison Bearded Iris drought tolerant?

Yes — once established (usually after the first full season), Dangerous Liaison Bearded Iris handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.