How to Grow Stella de Oro Daylily

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Stella de Oro Daylily

Hemerocallis 'Stella de Oro'

flower

Stella de Oro is a compact, reblooming daylily cultivar known for its bright golden-yellow flowers that bloom from early summer through fall. This award-winning perennial is one of the most reliable and prolific daylilies, producing numerous flowers over an extended season. It grows 12-18 inches tall and is extremely low-maintenance, making it ideal for borders, containers, and landscape plantings.

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Example Stella de Oro Daylily timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Stella de Oro Daylily

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Stella de Oro Daylily blooms

    Mid-to-late summer

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Stella de Oro Daylily dates for your own zip code.

Growing Conditions

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Sun: Full sun (6-8 hours daily); tolerates partial shade but blooms best in full sun
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Water: Moderate water needs; water regularly during growing season, especially during establishment and drought. Established plants are drought-tolerant once roots develop.
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Spacing: 18 inches
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Days to maturity: Blooms begin 60-90 days after planting; establishes fully in 2-3 years
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Planting depth: Crown should be at soil level; plant so that the 'nose' or growing point is just above ground

Soil

Type: Well-draining loamy soil; adaptable to various soil types
pH: 6.0-6.8
Amendments:
Compost aged manure peat moss for clay soils

Growing Zones

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Thrives in zones 3-9; most vigorous in zones 4-8

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Emergence & Establishment

3-4 weeks

Shoots emerge from dormant roots in spring; leaves are strap-like and form dense clumps

Ensure soil moisture and protect from extreme temperature fluctuations. Remove any dead foliage from previous season.

2

Vegetative Growth

4-6 weeks

Foliage expands and builds energy reserves; clumps become fuller and denser

Apply balanced fertilizer in early spring and mid-summer. Mulch around plants to retain moisture and suppress weeds.

3

Flowering (First Flush)

4-6 weeks (June-July)

Flower buds emerge on tall stems; bright golden-yellow blooms open, typically one or two per stem daily

Deadhead spent flowers to encourage continuous blooming. Provide consistent water. Each flower lasts only one day.

4

Reblooming Cycle

2-3 weeks rest, then 4-6 weeks of blooms

After first flush, plant typically rests briefly before producing additional buds and blooms

Continue deadheading. Apply light fertilizer after first bloom cycle ends to support rebloom. Maintain moisture.

5

Late Season Flowering & Dormancy

Variable; continues until first frost

Produces final blooms into fall; foliage gradually yellows and dies back with frost

Reduce watering as temperatures cool. Cut back dead foliage after first hard frost or in early spring. Leave stems standing over winter if desired for interest.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Black Walnut trees (produces juglone toxin) Aggressively spreading perennials that may crowd them out

Common Pests

  • Improve air circulation; remove affected foliage; apply fungicide if severe; avoid overhead watering

  • Hand-pick in early morning; use beetle traps away from plants; apply neem oil or insecticidal soap

  • Spray with strong water stream; use insecticidal soap; encourage natural predators

  • Remove affected flowers; apply neem oil; maintain good air circulation

  • Increase humidity with regular misting; use miticide if infestation is severe

Uses

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Landscape & Border Plantings

Ornamental

Stella de Oro's compact habit, prolific blooming, and long season of color make it ideal for perennial borders, foundation plantings, rock gardens, and mass plantings. Its reliability and low maintenance requirements have made it one of the most popular landscape daylilies. [source]

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Cut Flowers & Floral Design

Household

The cheerful golden-yellow blooms are excellent for fresh arrangements and day bouquets. Each flower lasts only one day, but the continuous production ensures a steady supply of blooms for daily arrangements. [source]

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Edible Flowers

Culinary

Daylily flowers are edible and have a slightly sweet flavor reminiscent of asparagus or green beans. Stella de Oro flowers can be used as garnishes, in salads, or lightly battered and fried as buds. [source]

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Pollinator Support

Wildlife

The abundant flowers attract bees, butterflies, and other pollinators throughout the growing season. Stella de Oro serves as a reliable food source for beneficial insects in the landscape. [source]

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Traditional & Herbal Use

Medicinal

In traditional Chinese medicine and Asian herbalism, daylilies have been used to support various health purposes. The buds and flowers contain compounds studied for potential anti-inflammatory and antioxidant properties. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Stella de Oro is grown for ornamental flowers, not harvest. Deadhead spent flowers daily or every other day to maximize continuous blooming throughout the season. Cut flowers can be enjoyed indoors—pick stems in early morning and place in water; flowers will open and last the day.

Fun Facts

  • 🌱 Stella de Oro won the Perennial Plant Association's Perennial Plant of the Year award in 1993, a testament to its exceptional garden performance and reliability.
  • 🌱 Despite being called a 'daylily,' the flowers of Stella de Oro can actually open in late afternoon and remain open into the next morning under cool conditions, extending their display time beyond the typical single day.
  • 🌱 The name 'Stella de Oro' means 'Star of Gold' in Italian, perfectly describing the radiant golden-yellow color of its abundant blooms that can number in the hundreds on a mature plant over a season.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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