Hookspike Lousewort
pedicularis rostratospicata
Also known as: ["Hookspike Lousewort"]
Overview
A herbaceous perennial plant in the family Orobanchaceae, known for its distinctive hooked spikes of flowers.
Benefits & Perks
["wildlife attractant (bees, butterflies, birds)","rare/collector’s item"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Lamiales |
| Family: | Orobanchaceae |
| Genus: | Pedicularis |
| Botanical Name: | Pedicularis rostratospicata |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: rock gardens, alpine troughs, or raised beds with good drainage
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"0–30°C"}
- Hardiness: {"zones":"5–8"}
- 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.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Annually in early spring or after flowering.
- Pruning Intensity: Moderate; remove up to one-third of the plant if overgrown.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; tolerate partial shade, especially in hot climates.
Sunlight Tolerance Tips:
Acclimate gradually to intense light; protect from direct midday sun to avoid scorching; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
partial shade to full sun with protection from intense afternoon heat
Rotate plant for even light exposure; use sheer curtains to filter intense sunlight; monitor for signs of light stress.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but infrequently; ensure soil dries between waterings; avoid overwatering.
Soil
well-draining, loamy soil with some organic matter
pH: Slightly acidic (pH 5.5–6.5).
Use a mix of peat, perlite, and loam; avoid heavy clay soils; ensure pots have drainage holes.
Temperature
Prefers cool to moderate temperatures (60–75°F or 15–24°C); tolerates cooler nights.
Avoid sudden temperature fluctuations; maintain consistent cool nights; protect from drafts.
Fertilizing
every 4–6 weeks during growing season, none in winter
Apply fertilizer after watering to prevent root burn; flush soil occasionally to prevent salt buildup; reduce feeding in dormancy.
Propagation
Methods
Stem cuttings or division; stem cuttings are more common for home growers.
Step-by-Step Propagation Guide
- Take a healthy cutting.
- Apply rooting hormone.
- Plant in medium.
- Maintain humidity.
- Transplant when rooted.
Best Time: Spring or early summer when the plant is actively growing.
Environment
High humidity (70–90%), warm temperatures (70–75°F or 21–24°C), and indirect light.
Medium
Well-draining mix of peat and perlite or cactus soil.
Hormone
Rooting hormone is recommended to improve success rates.
Timeline
Roots develop in 3–6 weeks; establish in new pot after 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, humidity dome or plastic bag.
Quick Tips
Use healthy, non-flowering stems; keep soil consistently moist but not waterlogged; provide gentle warmth.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips or cut stems just above a leaf node; avoid cutting into old wood.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove dead or weak stems.
Tools
Clean, sharp pruning shears or scissors.
Checklist
Sanitize tools; prune dead or damaged growth; shape the plant; dispose of clippings.
Repotting Guide
Best Season
Early spring before new growth begins.
Pot Size
Increase pot size by 1–2 inches in diameter; ensure good drainage.
Method
Remove plant gently; trim roots if necessary; place in new pot with fresh soil; water lightly.
Suggestions
Repot every 2–3 years or when roots fill the pot; beneficial for rejuvenation.
Checklist
Check root bound status; prepare new pot; use fresh soil mix; water after repotting.
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; allow excess water to drain away; water early in the day to minimize evaporation.
Watering Schedule Tips
Water deeply when the top inch of soil is dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; ensure aeration with coarse materials.
Temperature Stress Management
Signs of Temperature Issues
Wilting, leaf drop, or stunted growth in extreme heat; browning or necrosis in cold stress.
Cold Stress
Low temperatures slow growth and may cause root damage or leaf discoloration.
Solution: Protect from frost; move indoors in cold weather; ensure adequate insulation around roots.
Hot Stress
Excessive heat leads to dehydration, leaf scorch, and reduced flowering.
Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Check season; dilute fertilizer; apply to moist soil; avoid contact with leaves.
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicCats are susceptible to liver toxicity from the pyrrolizidine alkaloids present in Pedicularis rostratospicata, which can result in chronic liver disease.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Slightly ToxicThe pyrrolizidine alkaloids in Pedicularis rostratospicata can lead to hepatic veno-occlusive disease in dogs, particularly with repeated exposure.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Slightly ToxicPedicularis rostratospicata contains pyrrolizidine alkaloids, which can cause liver damage upon chronic ingestion. The toxic effects are cumulative and may not manifest immediately.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Pedicularis rostratospicata toxic to pets?
A: There is insufficient data on its toxicity to pets.
Q: How should I care for Pedicularis rostratospicata?
A: It requires moderate care, including well-drained soil and partial shade.
Q: Does Pedicularis rostratospicata attract wildlife?
A: Yes, it attracts bees, butterflies, and birds.
Quick Reference
| Family: | Orobanchaceae |
| Care: | moderate |
| Light: | partial shade to full sun with |
| Water: | every 7–10 days during activ |
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