Species

Iris x germanicaGerman Iris

110 other cultivars

perennial

Sea Power Bearded Iris

Iris x germanica 'Sea Power'

The Story

Plant Bio

Tall, sturdy perennial with sword-like leaves and large, showy flowers.

This cultivar is known for its striking blue flowers and strong, upright habit.

Uses & Benefits:

The vibrant, showy flowers of Iris germanica Sea Power add striking color and texture to borders and flower beds, creating focal points in any garden.

Provides natural habitat for pollinators such as bees and butterflies, supporting ecological health.

Drought-tolerant once established, reducing water usage and maintenance needs.

SpeciesIris x germanicaGerman Iris

Essentials

At a Glance

Plant Type

Perennial

Height

36 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate once established

Humidity

Prefers dry to moderate humidity

Lifespan

Many years with proper division

Native To

Europe and Western Asia

Toxicity

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

Planting

How to Grow

Select a well-draining soil with neutral to slightly acidic pH.
Tuck rhizomes 4-6 inches deep in full sun for optimal growth.
Water regularly during the first growing season to establish roots.
Mist cuttings in spring for propagation, keeping soil moist but not waterlogged.
Divide clumps every 3-4 years in late summer to maintain vigor.
Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Plant iris rhizomes shallowly for better flowering and quicker establishment.

Keep It Thriving

Care Guide

Do

Water deeply during dry spells 🌱
Apply balanced fertilizer in early spring
Remove faded flowers to encourage rebloom
Divide clumps every 3-4 years

Don't

Avoid overly wet soil to prevent rot ❌
Don’t plant too deep — keep rhizomes near soil surface
Refrain from over-fertilizing to prevent lush foliage at expense of flowers
Do not neglect removing old leaves

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Splashy flower borderPerennial garden focal pointWildflower meadow accent

Companion Plants

Daylilies Peonies Salvia Echinacea Coreopsis

Multiply

Propagation Methods

Good to Know

Common Questions

Sea Power Bearded Iris questions

What zones can Sea Power Bearded Iris grow in?

Sea Power 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 Sea Power Bearded Iris deer resistant?

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

When does Sea Power Bearded Iris bloom?

Sea Power Bearded Iris typically blooms in late spring to 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 Sea Power Bearded Iris need full sun?

Sea Power Bearded Iris does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Sea Power Bearded Iris drought tolerant?

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