perennial

Black Lipstick Iris

Iris germanica 'Black Lipstick'

Not currently listed at our partner nurseries.

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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:

EarlyLate

Uses & Benefits:

Vivid purple flowers add striking color to garden borders and cut arrangements.

Low-maintenance perennial requiring minimal care once established.

Provides nectar for pollinators like bees and butterflies.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

Shipping costs Year-round shipping Free shipping

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 🌱
Use a balanced fertilizer in spring and after bloom 🌱
Remove spent flowers to encourage rebloom 🌱
Divide clumps every 3-4 years 🌱

Don't

Avoid overwatering to prevent rhizome rot ❌
Do not plant in heavy clay soil without amendment ❌
Refrain from pruning leaves in late fall ❌
Avoid planting too deep or too shallow ❌

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

Splashy border with vibrant purple flowersTextural accent in perennial bedsFragrant cut flower in bouquets

Companion Plants

Daylilies Salvia Peonies Alliums Sedum

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 5–8. 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 — 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 — 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 — 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.