daylily 'Chicago Knockout'
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An herbaceous perennial that reaches approximately 25cm in height, forms clumps of arching strap-shaped leaves and purple flowers 15cm across in summer.
Scientific classification
- Species
- daylily 'Chicago Knockout' (Hemerocallis 'Chicago Knockout')
- Genus
- Hemerocallis
- Family
- Asphodelaceae
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- Toxicity
- Herbaceous Perennial
- Plant type
- 0.1-0.5 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
daylily 'Chicago Knockout' pictures
Distribution of daylily 'Chicago Knockout'
Distribution map
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Culture
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Toxicity
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Quick identification of daylily 'Chicago Knockout'
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daylily 'Chicago Knockout' care guide
- Keep soil moderately moist in growth, slightly drier after flowering
- Watering
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Watering
Keep soil moderately moist in growth, slightly drier after flowering
Fertilizing
FertilizingBalanced feed in spring and light repeat before or during bloom
Pruning
PruningCut back flower stems after flowering has finished. Remove dead foliage as required
Propagation
PropagationPropagate by division in early spring or early autumn
Growing
GrowingGrow in fertile, moist but well-drained soil preferably in full sun. Flowering is likely to be poor in shadier situations. Tolerant of heavy clay and poorer soils. May need watering in spring to early summer in dry conditions to ensure flowering. See Hemerocallis cultivation or daylily cultivation for details
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Common pests and diseases
Diseases
May be susceptible to fungal leaf spot and rust diseases or bacterial leaf and stem rot
Pests
May be susceptible to aphids, slugs, snails, hemerocallis gall midge, glasshouse red spider mite and Thrips
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