Clove

syzygium aromaticum

Also known as: ["Clove tree","Clove bud"]

Family: Myrtaceae Genus: Syzygium Category: Herbs & Weeds

Overview

An evergreen tree native to the Maluku Islands in Indonesia, known for its aromatic flower buds used as a spice.

Benefits & Perks

["fragrant flowers","medicinal use","culinary herb"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Myrtales
Family: Myrtaceae
Genus: Syzygium
Botanical Name: Syzygium aromaticum

Plant Characteristics

Basic Information
  • Category: Herbs & Weeds
  • Suitable Location: indoor pot in bright, indirect light or outdoor sheltered spot
  • Suitable For:
    Collectors & Enthusiasts Fragrance Lovers Culinary Herb
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"18–30°C"}
  • Hardiness: {"zones":"9–11"}
  • Misting: every 2–3 days to maintain humidity, especially in dry environments
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining potting mix with added perlite or sand for aeration.
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:
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.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor soil or drainage issues.

Care Requirements

Care Difficulty
moderate

moderate

Sunlight

partial shade to full sun

Rotate plant for even growth; use sheer curtains to filter intense light; avoid direct afternoon sun.

Watering

every 7–10 days, allowing soil to dry slightly between waterings

Water thoroughly until it drains from the bottom; allow soil to dry between waterings; avoid overwatering.

Soil

well-draining, fertile, slightly acidic potting mix

pH: Slightly acidic to neutral (pH 5.5–7.0).

Ensure pots have drainage holes; avoid compacted soil; refresh soil every 2–3 years.

Temperature

Prefers 65–80°F (18–27°C); cooler temperatures (50–60°F or 10–15°C) during dormancy in winter.

Avoid sudden temperature changes; protect from drafts; maintain consistent warmth during active growth.

Fertilizing

every 4–6 weeks during active growth (spring and summer)

Fertilize only during active growth; avoid over-fertilizing to prevent salt buildup; flush soil occasionally to remove excess salts.

Propagation

Methods

Stem cuttings in water or soil; air layering for larger branches.

Step-by-Step Propagation Guide
  1. Select healthy stem.
  2. Cut below a node.
  3. Remove lower leaves.
  4. Place in medium.
  5. Maintain 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 or water with occasional root hormone application.

Hormone

Optional but recommended for faster rooting.

Timeline

Roots may appear in 4–8 weeks; establishment takes 3–6 months.

Tools Needed

Pruning shears, rooting hormone, small pots, plastic wrap or propagator.

Quick Tips

Use healthy, non-flowering stems; maintain high humidity; change water regularly if using water propagation.

Pruning & Repotting

Pruning Guide
Method

Selective pruning of branches; pinch back tips for bushier growth.

Pruning Plan

Remove dead or diseased wood; shape the plant; encourage bushier growth; improve air circulation.

Tools

Pruning shears, sterilizing solution, gloves.

Checklist

Sterilize tools; prune dead/diseased wood; shape plant; clean up debris.

Repotting Guide
Best Season

Early spring before active growth starts.

Pot Size

One size larger pot (e.g., +2–3 inches in diameter).

Method

Remove plant gently; trim roots if crowded; place in slightly larger pot with fresh soil; water lightly.

Suggestions

Repot every 2–3 years or when roots fill the pot; use fresh, well-draining soil.

Checklist

Check root bound status; prepare new pot; trim roots; add fresh soil; water lightly.

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 root zone, ensuring even moisture distribution; water deeply to encourage deep root growth; ensure excess water drains away to prevent waterlogging.

Pro Tip: Use room temperature water to avoid shocking the roots.
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 organic matter like compost for fertility.

Temperature Stress Management
Signs of Temperature Issues

Leaf drop, yellowing, or wilting in extreme heat or cold; stunted growth in unfavorable conditions.

Cold Stress

Slows growth, causes leaf drop, and can lead to root damage if temperatures drop 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 due to excessive heat and water loss.

Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.

Fertilizing Guide
Fertilizing Checklist

Check growth phase; dilute fertilizer; apply to moist soil; flush periodically.

Fertilizing Method

Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during spring and summer; reduce or stop in fall and winter.

Common Problems & Solutions

Yellowing leaves in Syzygium aromaticum can indicate nutrient deficiencies, overwatering, or pest infestations, potentially affecting photosynthesis and overall plant health.

Wilting in Syzygium aromaticum may result from water stress, either due to under or overwatering, or root damage, leading to reduced turgor pressure and impaired nutrient uptake.

Leaf spots on Syzygium aromaticum can be caused by fungal or bacterial infections, leading to reduced photosynthetic efficiency and potential defoliation.

Rotting, particularly root or stem rot, in Syzygium aromaticum is often caused by excessive moisture and poor drainage, leading to decay and potential plant death.

Toxicity Warning

Cats
Toxic

Cats are highly sensitive to eugenol, making clove toxic to them. Ingestion can lead to severe gastrointestinal upset and neurological symptoms, which can be life-threatening if not addressed promptly.

⚠️ Symptoms:
vomiting diarrhea depression tremors seizures difficulty breathing
🌿 Toxic Parts:
all parts essential oil
⚡ Toxic If:

if ingested

Ensure clove plants and products are inaccessible to cats. Immediate veterinary care is required if ingestion occurs.
Dogs
Toxic

Clove is toxic to dogs due to the presence of eugenol, which can cause significant gastrointestinal and neurological issues in canines. The toxic effects are more pronounced in smaller dogs or those with pre-existing health conditions.

⚠️ Symptoms:
vomiting diarrhea lethargy depression tremors seizures
🌿 Toxic Parts:
all parts essential oil
⚡ Toxic If:

if ingested

Keep clove plants and products away from dogs. If ingestion is suspected, seek veterinary attention immediately.
Humans
Slightly Toxic

Syzygium aromaticum, commonly known as clove, is generally considered safe for culinary use. However, ingestion of large quantities of clove seeds or essential oil can lead to toxicity due to the presence of eugenol, a compound that can cause adverse effects in high concentrations. The physiological impact includes irritation of the gastrointestinal tract and potential central nervous system effects.

⚠️ Symptoms:
nausea vomiting abdominal pain dizziness respiratory issues
🌿 Toxic Parts:
seeds essential oil
⚡ Toxic If:

if ingested in large quantities

Use clove in moderation for culinary purposes. Keep clove essential oil out of reach of children and avoid ingestion of large amounts.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Is clove safe for human consumption?

A: Yes, in culinary amounts, but excessive intake can be mildly toxic.

Q: Can clove be grown indoors?

A: Yes, but it requires warm, humid conditions and ample light.

Q: What are the main uses of cloves?

A: Cloves are used as a spice in cooking, for medicinal purposes, and in aromatherapy.

Quick Reference
Family: Myrtaceae
Care: moderate
Light: partial shade to full sun
Water: every 7–10 days, allowing so
Suitable For: ["collectors/enthusiasts","fragrance lovers","culinary herb"]
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