Garden hybrid

This is a garden hybrid, bred from more than one wild species, so it has no single species page of its own.

8 other cultivars

perennial

Bearded Iris Double Standard

Iris x hybrida 'Double Standard'

The Story

Plant Bio

Iris x hybrida 'Double Standard' is a perennial flowering plant known for its elegant, sword-shaped leaves and large, ruffled flowers that come in a variety of colors, typically showcasing a striking double petal form.

This cultivar is distinguished by its lush, double-layered blossoms that provide a fuller, more ornate appearance compared to standard Iris varieties, making it a popular choice for ornamental gardens.

Uses & Benefits:

Provides striking purple blooms that add elegance to garden borders and cut arrangements.

Low-maintenance perennial suitable for various garden styles.

Supports pollinators like bees and butterflies during bloom.

Garden hybrid

Bred from more than one wild species, so it has no species page of its own.

Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Many years with proper care

Native To

Hybrid origin, cultivated globally

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 into well-draining soil.
Water thoroughly after planting and keep soil moist but not waterlogged.
Place in full sun for optimal blooming.
Fertilize with a low-nitrogen bulb fertilizer in early spring.
Divide every 3-4 years in late summer to maintain vigor.
Mulch lightly to retain moisture and suppress weeds.

Pro Tip

Ensure good drainage to prevent rhizome rot and promote healthy blooms.

Keep It Thriving

Care Guide

Do

Water during dry spells 🌱
Fertilize annually in early spring
Divide every 3-4 years

Don't

Avoid overwatering ❌
Do not bury rhizomes too deep
Limit nitrogen fertilizer to prevent lush foliage at the expense of flowers

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Colorful border with purple accentsElegant perennial bedCut flower arrangements

Companion Plants

Daylilies SalviaPeonies Lavender

Multiply

Propagation Methods

Good to Know

Common Questions

Bearded Iris Double Standard questions

What zones can Bearded Iris Double Standard grow in?

Bearded Iris Double Standard 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 Bearded Iris Double Standard deer resistant?

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

When does Bearded Iris Double Standard bloom?

Bearded Iris Double Standard 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 Bearded Iris Double Standard need full sun?

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