How to Grow Narcissus 'King Alfred'
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Narcissus 'King Alfred'
Narcissus pseudonarcissus 'King Alfred'
flowerKing Alfred is a classic large-cupped daffodil cultivar known for its vibrant golden-yellow trumpet flowers that bloom in early spring. This reliable heirloom variety has been a garden favorite for over a century, producing robust stems with substantial blooms ideal for cut flowers and naturalized plantings. It's one of the most recognizable and widely grown daffodil varieties worldwide.
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Example Narcissus 'King Alfred' timeline · Pittsburgh, PA (Zone 6b)
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Plant Narcissus 'King Alfred'
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Narcissus 'King Alfred' blooms
Around Aug 15≈ 120 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-9, with best performance in zones 4-7
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Dormancy & Root Development
12-15 weeks (September-December in cold zones)Bulbs planted in fall require 12-15 weeks of cold temperatures (chilling period) below 45°F to properly vernalize. Roots develop during this time while the bulb remains dormant underground.
Plant bulbs in late September through November in cold climates. Ensure bulbs make good contact with soil. Water well after planting. Mulch lightly to protect from extreme temperature fluctuations.
Emergence & Shoot Growth
2-4 weeks (February-March in most zones)Green shoots push through soil as temperatures warm in early spring. Foliage emerges before flower buds are visible, appearing as upright green leaves.
Remove winter mulch as growth begins to prevent smothering. Ensure adequate moisture as plants actively grow. Watch for slugs and snails. Do not fertilize yet if soil was amended at planting.
Bud Formation & Growth
2-3 weeksFlower buds develop within the foliage, and tall stems (14-20 inches) elongate rapidly. A papery spathe encloses the developing flower bud.
Provide consistent moisture and balanced fertilizer (low nitrogen to avoid excessive foliage). Stake tall varieties in windy locations. Monitor for pests like narcissus flies and bulb flies.
Flowering & Bloom
2-3 weeks (peak bloom in March-April)Golden-yellow trumpet flowers open, displaying the characteristic large funnel-shaped corona and reflexed outer petals. Flowers are long-lasting, typically fragrant, and excellent for cutting.
Enjoy blooms and cut flowers as desired. Leave some flowers on plants to support bulb energy if naturalizing. Remove spent flowers to redirect energy to bulbs, but leave stems and foliage intact.
Post-Bloom & Foliage Maturation
6-8 weeks (April-June in most zones)Flowers fade and petals drop. Foliage continues to photosynthesize and store energy in the bulb for next year's growth. Leaves gradually yellow and die back naturally.
Do NOT cut back foliage prematurely—allow leaves to remain until they naturally yellow and die (6-8 weeks post-bloom). Feed with balanced or high-potassium fertilizer to replenish bulb reserves. Reduce watering as foliage deteriorates. Remove any remaining flower stems.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Remove and destroy infested bulbs. Use sticky traps or fine netting over foliage. Apply insecticide in early spring if history of infestation. Avoid damaging bulbs during digging to prevent access.
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Practice good sanitation; remove debris and dead foliage. Dust bulbs with diatomaceous earth at planting. Monitor for adult flies in spring and apply insecticide if needed.
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Hand-pick in early morning. Create barriers with copper tape or coarse mulches. Beer traps in damp areas. Apply iron phosphate or neem oil if severe.
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Increase humidity through misting. Spray foliage with water to dislodge mites. Apply insecticidal soap or horticultural oil. Avoid overhead watering in dry conditions.
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Plant in well-draining soil. Do not overwater. Inspect and discard soft or diseased bulbs before storage. Ensure good air circulation. Avoid planting in waterlogged areas.
Uses
Not for consumption
CulinaryNarcissus bulbs and flowers are toxic and should never be eaten. All parts contain lycorine and other alkaloids that cause gastrointestinal distress and other serious effects. [source]
Cut flower and floral display
HouseholdKing Alfred is prized for fresh flower arrangements and table displays due to its long stems, substantial blooms, and long vase life (up to 2 weeks). It is the quintessential spring cut flower and traditional Easter daffodil. [source]
Early-season pollinator forage
WildlifeGolden trumpet flowers provide early nectar and pollen for bees, butterflies, and other pollinators emerging in spring when few other food sources are available. [source]
Naturalizing and garden design
CraftKing Alfred is ideal for mass plantings, woodland edges, meadows, and naturalized areas where it multiplies over time to create stunning spring displays with minimal maintenance. [source]
Traditional herbal use (historical)
MedicinalDespite toxicity, Narcissus has been used in traditional medicine in small, carefully prepared doses for respiratory and neurological conditions. Modern use is not recommended due to toxicity risks; however, research into lycorine alkaloids shows potential pharmaceutical applications. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Cut flowers in early morning when stems are fully turgid. Harvest by cutting stems 1-2 inches above ground level, leaving foliage to support the bulb. For best vase life, place in cool water immediately. Daffodil stems produce a mucilaginous sap that can clog xylem vessels; re-cut stems and change water frequently. Allow foliage to remain on bulbs until naturally yellowed (6-8 weeks post-bloom) to replenish bulb reserves for next season. Deadhead spent flowers but leave stems.
Fun Facts
- 🌱 King Alfred was registered in 1899 and remains one of the longest-serving daffodil cultivars in continuous commercial cultivation, beloved by generations of gardeners.
- 🌱 The species Narcissus pseudonarcissus is native to the Iberian Peninsula and is now naturalized throughout Europe; it is the national flower of Wales and appears on the Welsh flag.
- 🌱 Narcissus flowers are mentioned in Greek mythology as the source of the flower's name—the tale of Narcissus, who fell in love with his own reflection and was transformed into this bloom.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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