Gray Nicker

caesalpinia bonduc

Also known as: ["Nickerbean","Gray Nickerbean","Devil's Pod"]

Family: Fabaceae Genus: Caesalpinia Category: Shrubs

Overview

A tropical shrub or small tree in the pea family, known for its hard, grayish-brown seeds that resemble nickels.

Benefits & Perks

["drought tolerant","wildlife attractant (bees, butterflies, birds)","rare/collector’s item"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Fabales
Family: Fabaceae
Genus: Caesalpinia
Botanical Name: Caesalpinia bonduc

Plant Characteristics

Basic Information
  • Category: Shrubs
  • Suitable Location: outdoor garden in tropical or subtropical regions
  • Suitable For:
    Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"15–35°C"}
  • Hardiness: {"zones":"9–11"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining, slightly sandy or loamy soil with organic matter.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: high
  • 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 needed.
Care Details

Ideal Sunlight Coverage:
Full sun (6–8 hours of direct sunlight daily); tolerates partial shade but may flower less.

Sunlight Tolerance Tips:
Acclimate gradually if moving from shade to sun; protect from intense midday sun in hot climates; ensure good air circulation to prevent fungal issues.

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

Care Requirements

Care Difficulty
moderate

moderate

Sunlight

full sun

Rotate plant for even growth; use sheer curtains to filter intense light; avoid sudden light changes.

Watering

every 7–10 days during active growth, less frequently in winter

Water thoroughly but infrequently; ensure good drainage; avoid waterlogging.

Soil

well-drained, sandy or loamy soil

pH: Slightly acidic to neutral (pH 6.0–7.0).

Use a cactus or succulent mix; avoid heavy clay soils; ensure pots have drainage holes.

Temperature

Thrives in warm conditions (65–85°F or 18–29°C); prefers stable temperatures; sensitive to frost.

Avoid sudden temperature swings; protect from frost; ensure good air circulation in heat.

Fertilizing

every 2–3 months during growing season with balanced fertilizer

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

Propagation

Methods

Stem cuttings or seeds; stem cuttings root readily in warm conditions.

Step-by-Step Propagation Guide
  1. Take a 4–6 inch cutting.
  2. Remove lower leaves.
  3. Dip in rooting hormone.
  4. Plant in medium.
  5. Keep moist and warm.

Best Time: Spring or early summer when the plant is actively growing.

Environment

Warm (70–80°F or 21–27°C), humid, and bright but indirect light.

Medium

Well-draining mix like perlite and peat moss or cactus mix.

Hormone

Rooting hormone is recommended for faster and more reliable rooting.

Timeline

Roots may develop in 4–6 weeks; new growth appears in 2–3 months.

Tools Needed

Pruning shears, rooting hormone, small pots, well-draining medium.

Quick Tips

Use healthy, non-flowering stems; maintain high humidity; avoid direct sun during rooting.

Pruning & Repotting

Pruning Guide
Method

Selective pruning of branches to shape the plant; cut just above a leaf node or bud.

Pruning Plan

Prune to maintain shape, encourage bushiness, and remove dead or diseased growth.

Tools

Pruning shears, loppers (for larger branches), gloves.

Checklist

Sterilize tools; prune dead/diseased wood first; make clean cuts; dispose of clippings.

Repotting Guide
Best Season

Spring, before the active growing season starts.

Pot Size

One size larger pot (e.g., +2 inches in diameter); ensure good drainage.

Method

Remove plant gently; trim any circling roots; place in a slightly larger pot with fresh soil; water lightly.

Suggestions

Repot every 2–3 years or when roots fill the pot; beneficial for growth and flowering.

Checklist

Check root bound status; prepare new pot with drainage; 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 morning to minimize evaporation.

Pro Tip: Use a watering can with a long spout to direct water precisely to the root zone.
Watering Schedule Tips

Water deeply once 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 good aeration.

Temperature Stress Management
Signs of Temperature Issues

Yellowing leaves, leaf drop, stunted growth, or bud drop in extreme conditions.

Cold Stress

Leaves may wilt, turn yellow, or drop; growth halts; severe cold can cause dieback or death.

Solution: Move to a warmer location; protect with frost cloth; avoid overwatering in cold.

Hot Stress

Wilting, leaf scorch, or reduced flowering; may drop leaves to conserve water.

Solution: Provide shade during peak heat; increase watering; use mulch to retain soil moisture.

Fertilizing Guide
Fertilizing Checklist

Check fertilizer type; follow dilution instructions; apply during growing season; monitor for signs of over-fertilization.

Fertilizing Method

Use a balanced, slow-release fertilizer in spring and summer; dilute liquid fertilizer to half-strength if used monthly; avoid fertilizing in winter.

Common Problems & Solutions

Yellowing leaves in Caesalpinia bonduc may indicate nutrient deficiencies, overwatering, or pest infestations such as mealybugs or scale insects, which disrupt nutrient uptake.

Wilting in Caesalpinia bonduc can be caused by water stress, either due to drought or overwatering, leading to root damage and impaired water absorption.

Leaf spots on Caesalpinia bonduc may be caused by fungal or bacterial infections, leading to defoliation and reduced photosynthetic efficiency if left untreated.

Rotting, particularly root or stem rot, in Caesalpinia bonduc is often associated with excessive moisture and poor drainage, leading to decay and potential plant death.

Toxicity Warning

Cats
Toxic

Cats are susceptible to toxicity from Caesalpinia bonduc, particularly from the seeds and roots, which contain potent toxins that can disrupt normal physiological functions.

⚠️ Symptoms:
vomiting diarrhea lethargy loss of appetite abdominal pain tremors
🌿 Toxic Parts:
seeds roots
⚡ Toxic If:

if eaten

Ensure the plant is inaccessible to cats. Immediate veterinary care is required if ingestion occurs.
Dogs
Toxic

Ingestion of Caesalpinia bonduc by dogs can lead to significant toxicity due to the presence of harmful alkaloids and other toxins. The seeds and roots are the most dangerous parts.

⚠️ Symptoms:
vomiting diarrhea lethargy loss of appetite abdominal pain tremors
🌿 Toxic Parts:
seeds roots
⚡ Toxic If:

if eaten

Keep the plant out of reach of dogs. If ingestion is suspected, seek veterinary attention immediately.
Humans
Toxic

Caesalpinia bonduc contains toxic compounds that can cause severe physiological effects upon ingestion. The seeds and roots are particularly hazardous due to their high concentration of alkaloids and other bioactive substances.

⚠️ Symptoms:
nausea vomiting abdominal pain diarrhea dizziness respiratory distress
🌿 Toxic Parts:
seeds roots
⚡ Toxic If:

if eaten

Avoid ingestion of any parts of the plant. Keep away from children and pets.
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 Caesalpinia bonduc toxic to pets?

A: There is insufficient data on its toxicity to pets.

Q: How does Caesalpinia bonduc adapt to drought?

A: It is highly drought-tolerant due to its deep root system and succulent stems.

Q: What are the uses of Caesalpinia bonduc?

A: The seeds are traditionally used for jewelry, and the plant is sometimes used in traditional medicine.

Quick Reference
Family: Fabaceae
Care: moderate
Light: full sun
Water: every 7–10 days during activ
Suitable For: ["outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
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