perennial

Collier Daylily

Hemerocallis graminea 'Collier'

The Story

Plant Bio

The 'Collier' cultivar is known for its grass-like foliage and vibrant blooms, providing a unique look in the garden.

This cultivar is particularly noted for its compact size and tolerance to various soil types.

Uses & Benefits:

Bright, trumpet-shaped flowers add vibrant color to gardens and borders.

Low-maintenance perennial suitable for various garden styles.

Provides nectar for pollinators like bees and butterflies.

Essentials

At a Glance

Plant Type

Perennial

Height

30 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Asia

Toxicity

Highly toxic to cats

Bloom period

Early summer – Late summer

In flower about 3 months of the year

Planting

How to Grow

Tuck seeds into well-drained soil in early spring for best germination.
Water regularly to keep soil moist but not soggy during growing season.
Mist cuttings with water and keep in warm, bright location for root development.
Divide clumps every 3-4 years in early spring to promote healthy growth.
Apply a balanced fertilizer in early spring and mid-summer for optimal blooms.
Mulch around the plant to retain moisture and suppress weeds throughout the year.

Pro Tip

Use organic compost to enrich soil before planting for vigorous growth.

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist 🌱
Provide full sun for vibrant blooms
Mulch annually to conserve moisture
Divide every 3-4 years to rejuvenate

Don't

Avoid overwatering to prevent root rot ❌
Don’t fertilize with high nitrogen in late fall
Refrain from heavy pruning during blooming season
Never plant in poorly drained soil

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Sherbet-colored borderTextured perennial bedDappled shade under trees

Companion Plants

Sedum EchinaceaLavender CoreopsisYarrow

Multiply

Propagation Methods

Good to Know

Common Questions

Collier Daylily questions

What zones can Collier Daylily grow in?

Collier Daylily 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 Collier Daylily deer resistant?

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

When does Collier Daylily bloom?

Collier Daylily typically blooms in 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 Collier Daylily need full sun?

Collier Daylily does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Collier Daylily drought tolerant?

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