perennial

Golden-eyed Grass

The Story

Plant Bio

A perennial with iris-like, flattened green leaves, forming a clump. In late spring and early summer, it produces stems of bright yellow, star-shaped flowers.

Native to coastal areas, this species thrives in moist to wet soils and is notable for its cheerful, sunny yellow flowers.

Uses & Benefits:

Provides delicate star-shaped purple flowers that brighten borders and rock gardens.

Requires minimal watering once established, making it suitable for drought-prone areas.

Attracts beneficial insects, supporting garden biodiversity.

Essentials

At a Glance

Plant Type

Perennial

Height

12"

Width

Light

Full Sun, Partial Sun

Zones

7, 8, 9, 10

Water

Prefers moist to wet soil

Humidity

Average garden humidity

Lifespan

Perennial

Native To

Western North America

Toxicity

Non-toxic to humans and pets

Bloom period

Late spring to early summer – Late spring

In flower about 1 month of the year

Planting

How to Grow

Tuck seeds into moist soil in early spring for best germination
Keep soil consistently moist during the growing season
Transplant seedlings after they develop several leaves, approximately 6 weeks
Divide clumps every 2-3 years in early spring to maintain vigor
Mulch around plants to retain moisture and suppress weeds
Mist cuttings lightly to encourage root development

Pro Tip

Ensure soil remains moist; avoid letting it dry out during peak growth periods.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to retain soil moisture
Divide every 2-3 years for healthy growth
Plant in full sun for best flowering

Don't

Allow soil to dry out completely ❌
Overfertilize which can cause legginess
Plant in deep shade for best results
Ignore weeds around the base

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silver‑foliaged borderMoist meadow planting

Companion Plants

Echinacea CoreopsisLupine Gaillardia Salvia

Multiply

Propagation Methods

Good to Know

Common Questions

Golden-eyed Grass questions

What zones can Golden-eyed Grass grow in?

Golden-eyed Grass is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Golden-eyed Grass deer resistant?

Not reliably. Deer may browse Golden-eyed Grass, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Golden-eyed Grass bloom?

Golden-eyed Grass typically blooms in late spring to early summer through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Golden-eyed Grass need full sun?

Golden-eyed Grass does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.