Species

129 other cultivars

perennial

Acapulco Gold Iris

The Story

Plant Bio

Iris x germanica, the German iris, is a clump-forming herbaceous perennial that spreads via creeping, fleshy surface rhizomes. The stiff, sword-shaped foliage is glaucous green and semi-evergreen, providing a structural backdrop for the upright flowering stalks.

'Acapulco Gold' is distinguished by its heavily ruffled, brilliant golden-yellow petals featuring a white flash directly below a matching butter-yellow beard. This cultivar produces sturdy, branched flowering stalks bearing multiple buds from late spring to early summer.

Uses & Benefits:

Provides striking vertical structure with sword-shaped foliage and brilliant, ruffled golden-yellow flowers.

Offers excellent drought tolerance and is highly resistant to deer and rabbit browsing.

Attracts general insect pollinators, particularly bees, to its bright yellow nectar guides.

SpeciesIris x germanicaGerman Iris

Essentials

At a Glance

Plant Type

Perennial

Height

32"

Width

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Low

Humidity

Low

Lifespan

Perennial

Native To

Garden origin

Toxicity

Toxic to dogs, cats, horses, and humans

Bloom period

Late spring – Early summer

In flower about 2 months of the year

Planting

How to Grow

Select a planting site in full sun with excellent surface and sub-surface drainage to prevent rhizome rot.
Amend heavy soils with organic matter or sand to ensure rapid water runoff, aiming for a neutral to basic pH.
Set the rhizome in the soil so the top half is exposed to the sun, spreading the roots downward into the planting hole.
Water thoroughly upon planting to settle the soil, then withhold water unless conditions are exceptionally dry.

Pro Tip

Plant the creeping rhizomes with their upper surfaces exposed to the sun and air; burying them or covering them with mulch traps moisture and causes fatal bacterial rot.

Keep It Thriving

Care Guide

Do

Do expose the top of the rhizome to direct sunlight to stimulate flowering and prevent rot.
Do divide overcrowded clumps every three to four years in late summer to maintain vigor.
Do remove spent flower stalks at the base once blooming is complete.

Don't

Don't apply heavy organic mulch directly over the rhizomes.
Don't use high-nitrogen fertilizers, which force soft, rot-prone foliage.
Don't overwater established plants, as they are highly drought-tolerant.

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Mixed BordersCottage GardensCutting GardensSlopes and Banks

Companion Plants

Salvia nemorosa Nepeta faassenii Paeonia lactiflora

Multiply

Propagation Methods

Good to Know

Common Questions

Acapulco Gold Iris questions

What zones can Acapulco Gold Iris grow in?

Acapulco Gold Iris is hardy in USDA Zones 4–9: in that range it survives winter in the ground. Warmer than Zone 9, winter isn't the problem: it prefers colder winters, and summer heat can shorten its life.

Is Acapulco Gold Iris deer resistant?

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

When does Acapulco Gold Iris bloom?

Acapulco Gold Iris typically blooms from late spring to early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Acapulco Gold Iris need full sun?

Acapulco Gold Iris does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Acapulco Gold Iris drought tolerant?

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