Ladanum Hempnettle
galeopsis ladanum
Also known as: ["Ladanum Hempnettle","Red Hempnettle"]
Overview
A herbaceous annual plant in the mint family Lamiaceae, characterized by its square stems and two-lipped flowers.
Benefits & Perks
["wildlife attractant (bees, butterflies, birds)","drought tolerant"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Galeopsis |
| Botanical Name: | Galeopsis ladanum |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: border plantings or rock gardens in temperate climates
- Suitable For:
- Is Weed: No
- Allergenicity: moderate
Environmental Needs
- Climate: {"temperatureRange":"5–30°C"}
- Hardiness: {"zones":"6–9"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, loamy soil with added organic matter.
Maintenance Level
- Maintenance Level: low
- Toughness Level: moderate
- Pruning Frequency: Every 2–3 months or as needed to control growth.
- 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; can tolerate some direct morning sun but avoid harsh afternoon sun.
Sunlight Tolerance Tips:
Acclimate gradually to direct light; protect from intense midday sun; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
easymoderate
Sunlight
full sun to partial shade
Rotate plant for even growth; use sheer curtains to filter strong light; avoid direct sun in summer afternoons.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but allow soil to dry between waterings; avoid overwatering, especially in cool conditions.
Soil
well-draining, sandy loam with moderate organic content
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use a mix of potting soil, perlite, and compost; avoid heavy clay soils; ensure pots have drainage holes.
Temperature
Prefers cool to moderate temperatures (60–70°F or 15–21°C); can tolerate cooler nights down to 50°F (10°C).
Avoid sudden temperature changes; keep away from heating/cooling vents; maintain consistent room temperature.
Fertilizing
every 4–6 weeks during growing season
Always water before fertilizing to prevent root burn; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Stem cuttings in spring or early summer.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Dip in rooting hormone (optional).
- Plant in moist medium.
- Cover with a plastic bag to retain humidity.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light; maintain consistent moisture.
Medium
Well-draining potting mix, such as a mix of peat, perlite, and sand.
Hormone
Rooting hormone is optional but can improve success rates.
Timeline
Roots typically develop in 2–4 weeks; new growth may appear in 6–8 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, plastic bags or propagation dome.
Quick Tips
Use healthy, non-flowering stems; keep soil consistently moist but not waterlogged; provide indirect light.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips or cut stems just above a leaf node to promote branching.
Pruning Plan
Prune to maintain shape, encourage bushier growth, and remove dead or leggy stems.
Tools
Clean, sharp pruning shears or scissors.
Checklist
Sanitize tools; prune dead or damaged stems; shape the plant; dispose of clippings properly.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Choose a pot one size larger (1–2 inches wider in diameter) than the current one.
Method
Remove plant gently; trim any circling roots; place in a new pot with fresh soil; water lightly after repotting.
Suggestions
Repot every 1–2 years or when roots fill the pot; beneficial for root health and growth.
Checklist
Check root bound status; prepare new pot with drainage; trim roots if necessary; use fresh soil mix.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water thoroughly; ensure drainage; adjust for season.
How to Apply Water Properly
Water directly at the soil level, ensuring even moisture without saturating the leaves; allow excess water to drain away completely.
Watering Schedule Tips
Water when the top inch of soil feels dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate compost for fertility; ensure good aeration.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, or stunted growth in extreme heat or cold; bud drop in fluctuating temperatures.
Cold Stress
Slows growth and can cause root damage if exposed to prolonged cold below 50°F (10°C).
Solution: Move to a warmer location; insulate pots; avoid placing near drafty windows or cold surfaces.
Hot Stress
Leaves may scorch, wilt, or drop; growth may slow in temperatures above 75°F (24°C) without adequate humidity.
Solution: Provide shade; increase humidity with misting or a pebble tray; ensure good air circulation.
Fertilizing Guide
Fertilizing Checklist
Check season; dilute fertilizer; water before feeding; avoid winter feeding.
Fertilizing Method
Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during the growing season (spring and summer); avoid fertilizing in fall and winter.
Common Problems & Solutions
Toxicity Warning
Cats
ToxicCats are also susceptible to the toxic effects of Galeopsis ladanum upon ingestion. The plant's compounds can induce gastrointestinal upset and neurological symptoms, necessitating prompt medical attention. Cats may be particularly sensitive to the plant's alkaloids.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
ToxicIn dogs, ingestion of Galeopsis ladanum can lead to toxicosis, affecting the gastrointestinal and nervous systems. The plant's toxic compounds can cause severe discomfort and require veterinary intervention. The effects are similar to those observed in humans but may vary in intensity.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
ToxicGaleopsis ladanum contains toxic compounds that can cause significant physiological disturbances upon ingestion. The plant's active principles interfere with the nervous system and gastrointestinal tract, leading to adverse effects. The toxicity is primarily due to the presence of alkaloids and other secondary metabolites.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Galeopsis ladanum toxic to pets?
A: There is insufficient data on its toxicity to pets.
Q: How does Galeopsis ladanum grow?
A: It typically grows in disturbed soils and along roadsides, thriving in full sun to partial shade.
Q: Does Galeopsis ladanum attract wildlife?
A: Yes, it attracts bees and butterflies due to its nectar-rich flowers.
Quick Reference
| Family: | Lamiaceae |
| Care: | easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
Get Expert Care Tips
Download the Plantious app for personalized care reminders and plant identification!
Google Play App Store
