Blue Fescue
Festuca glauca
outdoorAn ornamental grass with fine, thread-like steel-blue to silvery-blue foliage that forms compact, dense mounds 8–12 inches tall. Produces delicate pale flower spikes in early summer that rise slightly above the foliage. Extremely drought-tolerant and cold-hardy, perfect for rock gardens, borders, edging, and xeriscaping with minimal maintenance.
Common Problems
Select the problem your Blue Fescue is experiencing to get a treatment guide.
Care Guide
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Light
Full sun (6+ hours daily); color intensity depends on adequate sunlight
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Water
Low to very low; extremely drought-tolerant once established; water sparingly; overwatering is the main cause of failure
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Soil
Well-draining, sandy or gravelly soil essential; poor fertility acceptable; pH 6.0–8.0
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Fertiliser
Minimal to no fertilizer; avoid fertilizing as it encourages weak, lush growth susceptible to disease
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Temperature
Very hardy; prefers cool to moderate temperatures (45–75°F); tolerates extreme cold and heat
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Humidity
Very low humidity; prefers dry conditions; avoid wet foliage
Toxicity
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Non-toxic; foliage may be sharp-edged
Common Diseases
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.