Pig's Ear

adromischus cooperi

Also known as: ["Pig's Ear"]

Family: Crassulaceae Genus: Adromischus Category: Succulents & Cacti

Overview

A small, succulent plant with fleshy, rounded leaves and a compact growth habit, native to South Africa.

Benefits & Perks

["drought tolerant","low maintenance","aesthetic foliage","rare/collector’s item"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Saxifragales
Family: Crassulaceae
Genus: Adromischus
Botanical Name: Adromischus cooperi

Plant Characteristics

Basic Information
  • Category: Succulents & Cacti
  • Suitable Location: indoor pot in bright, indirect light or outdoor in a sheltered, sunny spot
  • Suitable For:
    Beginners Busy People (low Maintenance) Collectors & Enthusiasts Indoor Plant Lovers Outdoor Landscapers
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–35°C"}
  • Hardiness: {"zones":"9–11"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining.
  • Soil Type: Well-draining cactus or succulent mix with added perlite or pumice.
Maintenance Level
  • Maintenance Level: very low
  • Toughness Level: high
  • Pruning Frequency: As needed, typically every 6–12 months.
  • Pruning Intensity: Light pruning.
Care Details

Ideal Sunlight Coverage:
Bright indirect light for 4–6 hours daily. Tolerates some direct morning sun but prefers shade from intense afternoon rays.

Sunlight Tolerance Tips:
Acclimate gradually to direct sun to avoid scorching. Indoors, place near east-facing windows. Outdoors, provide dappled shade during peak sun.

Warning Signs: Wilting despite moist soil, yellowing leaves, or root rot indicate poor drainage or overwatering.

Care Requirements

Care Difficulty
easy

easy

Sunlight

bright, indirect light or partial sun

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

Watering

every 7–10 days during active growth, reduce to every 3–4 weeks in winter

Water deeply but infrequently; ensure soil dries between waterings; avoid waterlogging.

Soil

well-draining, sandy cactus mix with some organic matter

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

Ensure pots have drainage holes; avoid heavy garden soil; top-dress with gravel for aesthetics.

Temperature

Prefers 60–75°F (15–24°C). Tolerates mild frost but thrives in moderate temperatures.

Protect from frost; avoid sudden temperature swings; maintain moderate warmth year-round.

Fertilizing

every 4–6 weeks during active growth (spring and summer), none in winter

Dilute fertilizer to half strength; apply to moist soil; stop feeding in dormant periods.

Propagation

Methods

Stem or leaf cuttings.

Step-by-Step Propagation Guide
  1. Take a healthy cutting.
  2. Let it callus for 1–2 days.
  3. Plant in moist medium.
  4. Keep lightly moist.

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

Environment

Warm (70–75°F/21–24°C), humid, and bright indirect light.

Medium

Well-draining mix of perlite and peat moss or cactus soil.

Hormone

Optional but recommended for faster rooting.

Timeline

Roots develop in 2–4 weeks; new growth appears in 1–2 months.

Tools Needed

Sharp knife, rooting hormone (optional), small pots, well-draining soil mix.

Quick Tips

Use clean tools; avoid overwatering cuttings; provide bottom heat for faster rooting.

Pruning & Repotting

Pruning Guide
Method

Snip off dead or yellowing leaves at the base; trim leggy stems to encourage bushiness.

Pruning Plan

Minimal pruning to remove dead or damaged leaves and maintain shape.

Tools

Clean, sharp scissors or pruning shears.

Checklist

Sterilize tools; prune dead/damaged parts; shape lightly; clean up debris.

Repotting Guide
Best Season

Spring, before active growth begins.

Pot Size

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

Method

Remove plant gently; trim roots if needed; place in a slightly larger pot with fresh, well-draining soil; water lightly after repotting.

Suggestions

Repot every 2–3 years or when roots fill the pot. Necessary to refresh soil and provide space.

Checklist

Choose appropriate pot; prepare fresh soil mix; handle roots carefully; water sparingly post-repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture before watering; water deeply; ensure drainage; adjust seasonally.

How to Apply Water Properly

Water directly at the soil level, ensuring even moisture reaches the root zone. Allow excess water to drain completely. Water in the morning to minimize evaporation and fungal risk.

Pro Tip: Use a watering can with a narrow spout to target the soil without wetting leaves.
Watering Schedule Tips

Water thoroughly during active growth (spring/summer), allowing soil to dry out between waterings. Reduce frequency in fall/winter to prevent root rot.

Soil Improvement

Add perlite or coarse sand to improve drainage; incorporate organic matter for fertility.

Temperature Stress Management
Signs of Temperature Issues

Leaf drop, stunted growth, or discoloration (yellowing/browning) indicate temperature stress.

Cold Stress

Low temperatures slow growth and can cause root damage or leaf drop if below 40°F (4°C).

Solution: Move to a warmer location; insulate pots; avoid cold drafts; reduce watering in cold periods.

Hot Stress

Excessive heat (above 90°F/32°C) can cause leaf scorch, wilting, or dehydration.

Solution: Provide shade; increase humidity; water early morning or late evening; ensure good air circulation.

Fertilizing Guide
Fertilizing Checklist

Use balanced fertilizer; dilute properly; fertilize during active growth; avoid over-fertilizing.

Fertilizing Method

Use a balanced, diluted cactus fertilizer every 4–6 weeks during spring/summer. Avoid feeding in fall/winter.

Common Problems & Solutions

Yellowing leaves in Adromischus cooperi may indicate overwatering, nutrient deficiencies, or pest infestations, affecting the plant's photosynthetic efficiency and overall health.

Wilting in Adromischus cooperi is often a sign of water stress, either due to underwatering or root damage from overwatering, impacting the plant's ability to maintain turgidity.

Leaf spots on Adromischus cooperi may be caused by fungal or bacterial infections, resulting in unsightly lesions and potential degradation of leaf tissues.

Rotting, particularly root or stem rot, can occur in Adromischus cooperi due to excessive moisture, leading to decay of plant tissues and potentially plant death.

Toxicity Warning

Cats
Non-toxic

Adromischus cooperi is not considered toxic to cats. There are no known adverse effects from ingestion or contact with this plant.

🌿 Toxic Parts:
entire plant
⚡ Toxic If:

if eaten

No special precautions are necessary for keeping this plant around cats.
Dogs
Non-toxic

Adromischus cooperi is not considered toxic to dogs. There are no known adverse effects from ingestion or contact with this plant.

🌿 Toxic Parts:
entire plant
⚡ Toxic If:

if eaten

No special precautions are necessary for keeping this plant around dogs.
Humans
Non-toxic

Adromischus cooperi is not considered toxic to humans. There are no known adverse effects from ingestion or contact with this plant.

🌿 Toxic Parts:
entire plant
⚡ Toxic If:

if eaten

No special precautions are necessary for handling or growing this plant.

Frequently Asked Questions

Q: How often should I water Adromischus cooperi?

A: Water sparingly, allowing the soil to dry out completely between waterings to prevent rot.

Q: Does Adromischus cooperi require full sun?

A: It thrives in bright, indirect light but can tolerate some direct sunlight, especially in cooler climates.

Q: Can Adromischus cooperi be grown indoors?

A: Yes, it is well-suited for indoor cultivation as long as it receives adequate light and proper drainage.

Quick Reference
Family: Crassulaceae
Care: easy
Light: bright, indirect light or part
Water: every 7–10 days during activ
Suitable For: ["beginners","busy people (low maintenance)","collectors/enthusiasts","indoor plant lovers","outdoor landscapers"]
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