Garden hybrid

Hemerocallis x hybridaDaylily

70 other cultivars

perennial

Monterrey Jack Daylily

Hemerocallis x hybrida 'Monterrey Jack'

The Story

Plant Bio

Hemerocallis are clump-forming perennials with arching, linear leaves. Flowers are borne on leafless stems (scapes) and each flower typically lasts only one day.

A reblooming daylily, 'Monterrey Jack' features large, 5-inch creamy yellow flowers with a prominent burgundy-red eye and a green throat.

Uses & Benefits:

Bright, showy flowers add vibrant color to gardens and borders, attracting pollinators and enhancing landscape aesthetics.

Low maintenance and reliable perennial, providing long-lasting color with minimal care.

Supports bees and hummingbirds, contributing to local biodiversity.

SpeciesHemerocallis x hybridaDaylily

Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Genus native to Asia

Toxicity

Highly toxic to cats; non-toxic to dogs and humans

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Select a sunny location with well-drained soil for planting.
Tuck roots or divisions into the prepared soil, spacing 18-24 inches apart.
Water thoroughly after planting to settle soil around roots.
Mulch around plants to retain moisture and suppress weeds.
Fertilize in early spring with a balanced fertilizer for vigorous growth.
Divide clumps every 3-4 years in early spring or late fall for rejuvenation.

Pro Tip

Avoid overwatering to prevent root rot and ensure healthy blooms.

Keep It Thriving

Care Guide

Do

Water regularly during dry spells 💧
Deadhead spent flowers to encourage more blooms 🌸
Apply a balanced fertilizer in spring and mid-summer 🌱
Mulch annually to conserve moisture and suppress weeds 🌿

Don't

Don’t let soil stay soggy to prevent rot ❌
Avoid heavy pruning outside of deadheading ✂️
Don’t fertilize excessively which can reduce flowering ❌
Avoid planting in dense shade for best performance ❌

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

Vibrant perennial borderColorful rock garden accentBright container display

Companion Plants

Sedum CoreopsisLavender Salvia Echinacea

Multiply

Propagation Methods

Good to Know

Common Questions

Monterrey Jack Daylily questions

What zones can Monterrey Jack Daylily grow in?

Monterrey Jack 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 Monterrey Jack Daylily deer resistant?

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

When does Monterrey Jack Daylily bloom?

Monterrey Jack 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 Monterrey Jack Daylily need full sun?

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

Is Monterrey Jack Daylily drought tolerant?

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