How to Grow Daylily Kwanso
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Daylily Kwanso
Hemerocallis fulva 'Kwanso'
flowerKwanso is a stunning double-flowered cultivar of daylily featuring ruffled, orange-red blooms with darker red veining. Each flower lasts only one day, but the plant produces abundant buds throughout the extended blooming season. This vigorous perennial is known for its hardiness and adaptability to a wide range of growing conditions.
When should you plant Daylily Kwanso in your zone?
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Example Daylily Kwanso timeline · Pittsburgh, PA (Zone 6b)
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Plant Daylily Kwanso
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 Daylily Kwanso blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Daylily Kwanso dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-10; extremely cold and heat tolerant
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Get my Daylily Kwanso timeline →Growth Stages
Establishment
3-4 weeksNewly planted bare-root fans or divisions show limited growth the first few weeks as roots develop
Keep soil consistently moist but not waterlogged; mulch lightly. New foliage will emerge within 2-3 weeks.
Vegetative Growth
6-8 weeksLong, strap-like green foliage emerges and expands, creating dense clumps of arching leaves
Water moderately; apply balanced fertilizer in early spring. Remove any dead foliage. Clumps will thicken steadily.
Bud Formation
2-3 weeksTall flower scapes (stems) emerge from the center of foliage clumps, each scape developing multiple buds
Increase watering if dry weather occurs. Provide support with stakes in windy locations. Each scape will produce 5-15+ buds.
Flowering
6-10 weeks (staggered blooming)Double, ruffled orange-red flowers with darker veining open sequentially along each scape; each flower lasts one day
Deadhead spent flowers in evening for tidiness, though not required. Continue regular watering. Blooming is prolific and long-lasting.
Post-Bloom & Dormancy
Dormant 4-6 months in cold climates; minimal dormancy in warm zonesAfter blooming ceases, foliage remains attractive; in cold climates, foliage dies back after frost; in warm regions, may stay semi-evergreen
Allow foliage to decline naturally in fall for nutrient reabsorption. In spring, cut away old dead leaves before new growth emerges. Divide clumps if desired.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use insecticidal soap if severe. Rarely causes significant damage to daylilies.
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Increase humidity with misting; spray with miticide if infestation occurs. More common in hot, dry conditions.
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Remove infected foliage; improve air circulation. Apply fungicide if severe. Choose resistant cultivars like Kwanso.
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Remove damaged flowers; insecticidal soap is minimally effective. Usually cosmetic damage only.
Uses
Dried Buds in Asian Cuisine
CulinaryUnopened flower buds are used in traditional Chinese cooking (called 'gum jum' or 'golden needle'), adding subtle flavor to stir-fries, soups, and braised dishes. Some daylily varieties are cultivated specifically for this culinary use. [source]
Traditional Chinese Medicine
MedicinalDaylily flowers and buds have been used in traditional Chinese medicine to clear heat and promote diuresis, though modern scientific evidence is limited. Consult healthcare providers before medicinal use. [source]
Cut Flower Arrangement
HouseholdThe striking double-orange flowers make excellent additions to cut flower arrangements, though individual blooms last only one day. Successive buds on a single scape extend the visual display. [source]
Pollinator Support
WildlifeDaylily flowers attract bees, butterflies, and hummingbirds with their nectar, supporting early to mid-summer pollinator populations in gardens. [source]
Garden Design & Landscape
CraftKwanso's vibrant double-orange blooms, long flowering season, and extreme hardiness make it ideal for borders, mass plantings, wildflower meadows, and low-maintenance landscapes. Its vigor makes it excellent for erosion control on slopes. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Daylilies are ornamental flowers not typically harvested; enjoy blooms on the plant. In Asian cuisine, unopened buds of some daylily species are edible dried or fresh—research before consuming. Cut spent flower scapes at the base once all buds have opened to redirect energy.
Fun Facts
- 🌱 Kwanso is a sterile double-flowered clone that cannot produce seeds; it must be propagated by dividing the rhizomes. This sterility actually prevents it from self-seeding invasively, unlike some single-flowered daylily species.
- 🌱 The name 'daylily' refers to the ephemeral blooms—each flower opens for only one day. However, a single plant produces numerous buds sequentially over weeks, creating the illusion of continuous blooming.
- 🌱 Kwanso has been cultivated in Asian gardens for centuries and is naturalized in parts of North America, where it occasionally escapes cultivation. Its extreme hardiness and adaptability have made it a beloved pass-along plant among gardeners.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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