Species

perennial

Hyperion Daylily

The Story

Plant Bio

Hyperion daylily is known for its tall, graceful form and large, bright yellow flowers that provide a cheerful display in gardens.

This cultivar is noted for its exceptional fragrance and extended bloom time compared to other daylilies.

Uses & Benefits:

Vivid yellow flowers add cheerful color to garden beds and borders.

Low-maintenance perennial that thrives in sunny locations with minimal care.

Attracts pollinators like bees and butterflies, supporting local biodiversity.

SpeciesHemerocallis descamperYellow Daylily

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

Humidity

Moderate

Lifespan

Perennial

Native To

Asia

Toxicity

Toxic to cats

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Select a sunny spot with well-draining soil for planting.
Tuck day-old divisions or rooted plugs into the soil, spacing 18-24 inches apart.
Water thoroughly after planting to settle the soil around roots.
Mist cuttings lightly once roots develop, around 6 weeks.
Apply a balanced fertilizer in early spring to promote blooming.
Mulch around the plant to retain moisture and suppress weeds.

Pro Tip

Plant in full sun for best flowering; avoid overly wet soils to prevent rot.

Keep It Thriving

Care Guide

Do

Water regularly during dry spells 💧
Remove spent flowers to encourage new blooms 🌸
Apply mulch to conserve moisture and regulate soil temperature 🌱

Don't

Don’t overwater, which can cause root rot ❌
Avoid heavy fertilization late in the season to prevent weak growth
Don’t plant in dense shade; it needs full sun for optimal flowering

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Bright perennial border with vibrant yellow flowersSunny rock garden accentWildflower meadow edge

Companion Plants

Echinacea Sedum Coreopsis GaillardiaLavender

Multiply

Propagation Methods

Good to Know

Common Questions

Hyperion Daylily questions

What zones can Hyperion Daylily grow in?

Hyperion 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 Hyperion Daylily deer resistant?

Not reliably. Deer may browse Hyperion Daylily, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Hyperion Daylily bloom?

Hyperion Daylily typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Hyperion Daylily need full sun?

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

Is Hyperion Daylily drought tolerant?

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