Lemon
citrus limon
Also known as: ["Lemon tree","Common lemon"]
Overview
A small evergreen tree known for its fragrant white flowers and edible yellow fruit.
Benefits & Perks
["edible fruits","fragrant flowers","aesthetic foliage"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Sapindales |
| Family: | Rutaceae |
| Genus: | Citrus |
| Botanical Name: | Citrus limon |
Plant Characteristics
Basic Information
- Category: Fruits
- Suitable Location: indoor pot in sunny location or outdoor garden in frost-free areas
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"10–35°C, intolerant of frost"}
- Hardiness: {"zones":"9–11"}
- Misting: rarely required unless in very dry indoor conditions
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, slightly acidic soil mix with organic matter.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: Annually in late winter or early spring before new growth begins.
- Pruning Intensity: Moderate; remove up to one-third of old growth if necessary.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours of direct sunlight daily); adjust for intense summer sun with partial shade.
Sunlight Tolerance Tips:
Acclimate new plants to sunlight gradually; protect from harsh midday sun; place indoors near a south-facing window if outdoors is not feasible.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
full sun
Rotate plant weekly for even growth; use sheer curtains to filter intense light; avoid drafty windows.
Watering
every 7–10 days during active growth, less frequently in winter
Water thoroughly until it drains from the bottom; allow soil to dry between waterings; avoid overwatering.
Soil
well-draining, slightly acidic potting mix
pH: 5.5–6.5 (slightly acidic).
Ensure pots have drainage holes; avoid heavy clay soils; test pH annually.
Temperature
Ideal range: 60–85°F (15–29°C); prefers warm, stable temperatures; avoid sudden drops.
Avoid placing near drafty areas; maintain consistent temperatures; protect from frost.
Fertilizing
every 4–6 weeks during growing season with balanced citrus fertilizer
Dilute fertilizer to half strength; apply to moist soil; avoid contact with roots.
Propagation
Methods
Stem cuttings or air layering.
Step-by-Step Propagation Guide
- Select a healthy stem.
- Cut below a node.
- Apply rooting hormone.
- Plant in medium.
- Maintain humidity.
Best Time: Spring or early summer when the plant is actively growing.
Environment
High humidity (70–80%), warm temperatures (70–75°F), and indirect light.
Medium
Well-draining mix of peat, perlite, and sand.
Hormone
Rooting hormone is recommended for faster root development.
Timeline
Roots develop in 4–8 weeks; new growth appears in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, plastic bag, humidity dome.
Quick Tips
Use a clear plastic bag to maintain humidity; keep soil consistently moist but not waterlogged.
Pruning & Repotting
Pruning Guide
Method
Thinning cuts to open the canopy; heading cuts to encourage bushiness.
Pruning Plan
Remove dead or diseased branches; shape for better light exposure; encourage fruit production.
Tools
Pruning shears, loppers, gloves.
Checklist
Sterilize tools; remove deadwood; shape the canopy; clean up debris.
Repotting Guide
Best Season
Early spring before active growth starts.
Pot Size
Increase pot size by 2–3 inches in diameter.
Method
Remove plant gently; trim roots if crowded; add fresh soil mix; ensure good drainage.
Suggestions
Repot every 2–3 years or when roots fill the pot; essential for healthy growth.
Checklist
Check root bound status; prepare new pot; use fresh soil; 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 the root zone directly, ensuring even moisture distribution; water early in the morning to reduce evaporation; ensure excess water drains away.
Watering Schedule Tips
Water deeply when the top 1–2 inches of soil are dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; use acidic soil amendments if needed.
Temperature Stress Management
Signs of Temperature Issues
Leaf drop, yellowing, stunted growth, or blossom end rot.
Cold Stress
Slows growth, weakens roots, and can cause leaf drop or dieback.
Solution: Move to a warmer location; cover with a frost cloth; avoid watering until soil warms.
Hot Stress
Wilting, leaf scorch, or reduced fruit production due to excessive heat.
Solution: Provide shade during peak sun; increase humidity; water deeply in the morning.
Fertilizing Guide
Fertilizing Checklist
Check fertilizer type; dilute correctly; apply during growing season; avoid winter feeding.
Fertilizing Method
Use a balanced citrus fertilizer (10-10-10 or similar) every 4–6 weeks during growing season (spring to fall); reduce or stop in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicSimilar to dogs, cats may experience gastrointestinal upset if they consume large quantities of lemon leaves, seeds, or peel. The essential oils and psoralen compounds can cause mild toxicity.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten in large quantities
Dogs
Slightly ToxicLemon leaves, seeds, and peel contain essential oils and psoralen compounds that can cause mild to moderate gastrointestinal upset in dogs. The acidity can also lead to mouth irritation.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten in large quantities
Humans
Slightly ToxicCitrus limon, commonly known as lemon, is generally safe for human consumption. However, the seeds and peel contain compounds that can cause mild gastrointestinal distress if ingested in large amounts. The essential oils in the peel may also cause skin irritation upon contact.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten in large quantities
Frequently Asked Questions
Q: How often should I water a lemon tree?
A: Water when the top inch of soil is dry, typically every 7-10 days, adjusting for climate and season.
Q: Can lemon trees grow indoors?
A: Yes, they can thrive indoors with sufficient sunlight, proper watering, and adequate humidity.
Q: Are lemon trees self-pollinating?
A: Yes, lemon trees are generally self-pollinating, but hand-pollination can improve fruit yield.
Quick Reference
| Family: | Rutaceae |
| Care: | moderate |
| Light: | full sun |
| Water: | every 7–10 days during activ |
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