Wavy Hair Grass
avenella flexuosa
Also known as: ["Wavy Hair Grass","Crested Hair Grass"]
Overview
A perennial grass species native to temperate regions, known for its fine, wavy foliage and delicate seed heads.
Benefits & Perks
["drought tolerant","shade tolerant","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Liliopsida |
| Order: | Poales |
| Family: | Poaceae |
| Genus: | Avenella |
| Botanical Name: | Avenella flexuosa |
Plant Characteristics
Basic Information
- Category: Grasses
- Suitable Location: open meadows, woodland edges, or rock gardens
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"−30–30°C"}
- Hardiness: {"zones":"3–7"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, slightly acidic soil with organic matter. A mix of loam and sand works well.
Maintenance Level
- Maintenance Level: very low
- Toughness Level: very high
- Pruning Frequency: As needed, typically in late winter or early spring before new growth begins.
- Pruning Intensity: Light pruning; remove only dead or diseased parts.
Care Details
Ideal Sunlight Coverage:
Bright, indirect light for 4–6 hours daily. Tolerates partial shade, especially in hot climates.
Sunlight Tolerance Tips:
Acclimate gradually to intense light; protect from direct midday sun to prevent scorching; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
very easyeasy
Sunlight
full sun to partial shade
Avoid direct afternoon sun; rotate plant for even growth; use sheer curtains for filtered light.
Watering
every 7–10 days during active growth, less frequently in winter
Water deeply but infrequently; ensure good drainage; adjust frequency based on season and weather.
Soil
well-drained, acidic to neutral soil
pH: Slightly acidic to neutral, pH 5.5–7.0.
Use well-draining mix; avoid heavy clay soils; amend with organic matter if needed.
Temperature
Prefers cool to moderate temperatures, ideally 50–70°F (10–21°C). Tolerates frost but thrives in cooler conditions.
Keep away from drafts; protect from extreme heat/cold; adjust care seasonally.
Fertilizing
every 4–6 weeks during spring and summer, none in fall and winter
Use diluted fertilizer to prevent burn; fertilize only during active growth; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Division is the most reliable method. Separate clumps in spring or early summer.
Step-by-Step Propagation Guide
- Dig up the clump.
- Separate into smaller sections with roots.
- Replant immediately in prepared soil.
Best Time: Early spring or early summer when the plant is actively growing.
Environment
Bright, indirect light with moderate humidity and consistent moisture.
Medium
Standard potting mix or garden soil with good drainage.
Hormone
Not necessary for division.
Timeline
Immediate establishment if divisions are healthy; no rooting time required.
Tools Needed
Garden fork, sharp knife or shears, new pots or planting area.
Quick Tips
Divide when the plant is overcrowded; ensure each division has roots; replant at the same depth.
Pruning & Repotting
Pruning Guide
Method
Snip off dead foliage at the base; thin out overcrowded areas if necessary.
Pruning Plan
Minimal pruning needed. Remove dead or damaged foliage to maintain appearance and health.
Tools
Pruning shears, gloves.
Checklist
Sanitize tools; remove dead growth; avoid over-pruning.
Repotting Guide
Best Season
Early spring before active growth starts.
Pot Size
One size larger pot; ensure it has drainage holes.
Method
Remove the plant gently; trim any dead roots; repot in fresh, well-draining soil with a slightly larger pot.
Suggestions
Repot only when the plant becomes overcrowded or root-bound, typically every 2–3 years.
Checklist
Use fresh soil; ensure good drainage; handle roots carefully.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; adjust for season.
How to Apply Water Properly
Water at the base of the plant, ensuring moisture reaches the root zone without wetting foliage. Water until it drains from the bottom, then discard excess to avoid waterlogging.
Watering Schedule Tips
Water moderately during active growth in spring and summer, reducing frequency in fall and winter to prevent root rot. Allow the top inch of soil to dry between waterings.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; ensure good aeration.
Temperature Stress Management
Signs of Temperature Issues
Wilting, browning tips, or stunted growth in excessive heat; yellowing or browning in cold stress.
Cold Stress
Slows growth and can cause root damage if temperatures drop below freezing without protection.
Solution: Provide frost protection in winter; ensure good air circulation to prevent mold; avoid overwatering in cold conditions.
Hot Stress
Leaves may scorch, turn yellow, or drop in excessive heat, especially with poor water management.
Solution: Increase humidity, provide shade, and water more frequently during heatwaves; ensure good ventilation.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; fertilize in growing season; avoid winter feeding.
Fertilizing Method
Use a balanced, water-soluble fertilizer diluted to half strength every 4–6 weeks during spring and summer. Avoid fertilizing in fall and winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicAvenella flexuosa is not toxic to cats. This grass species does not produce any known toxic compounds that would cause adverse effects in felines upon ingestion.
⚡ Toxic If:
if eaten
Dogs
Non-toxicAvenella flexuosa is not toxic to dogs. This grass species does not contain any known substances that are harmful to canines when ingested.
⚡ Toxic If:
if eaten
Humans
Non-toxicAvenella flexuosa, commonly known as common wavy hair-grass, is not considered toxic to humans. It is a grass species that does not produce any known toxic compounds that would cause adverse effects upon ingestion.
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Wavy Hair Grass suitable for shaded areas?
A: Yes, it thrives in partial to full shade.
Q: Does this grass attract wildlife?
A: Yes, it provides habitat and food for birds and insects.
Q: How often should it be watered?
A: It is drought-tolerant and requires minimal watering once established.
Quick Reference
| Family: | Poaceae |
| Care: | very easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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