Bunny Ear Cactus
opuntia microdasys
Also known as: ["Angel's Wing Cactus","Polka-Dot Cactus"]
Overview
A low-growing, clump-forming cactus with flat, oval-shaped pads and distinctive glochids (tiny barbed hairs) instead of spines.
Benefits & Perks
["drought tolerant","low maintenance","aesthetic foliage","wildlife attractant (bees, butterflies, birds)"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Genus: | Opuntia |
| Botanical Name: | Opuntia microdasys |
Plant Characteristics
Basic Information
- Category: Succulents & Cacti
- Suitable Location: indoor pot near bright window or outdoor in a well-drained, sunny spot
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–45°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 cactus or succulent mix with added perlite or coarse sand.
Maintenance Level
- Maintenance Level: very low
- Toughness Level: high
- Pruning Frequency: As needed, typically annually or after flowering.
- Pruning Intensity: Moderate; remove up to one-third of the plant if overgrown.
Care Details
Ideal Sunlight Coverage:
Full sun (6–8 hours/day) with direct sunlight; adjust to partial shade in extreme summer heat.
Sunlight Tolerance Tips:
Acclimate new plants to sunlight gradually; avoid sudden exposure to intense sun to prevent scorching; place indoors near a south-facing window if outdoors is not feasible.
Care Requirements
Care Difficulty
easyeasy
Sunlight
full sun
Rotate plant weekly for even growth; provide shade during peak summer afternoons; use sheer curtains to filter intense light indoors.
Watering
every 2–3 weeks during growing season, less frequently in winter
Water thoroughly but infrequently; ensure soil dries fully between waterings; avoid overhead watering to prevent fungal issues.
Soil
fast-draining cactus mix
pH: Slightly acidic to neutral (pH 6.0–7.0).
Ensure pots have drainage holes; avoid overwatering; use a gritty mix for best results.
Temperature
Warm temperatures (65–85°F / 18–29°C) preferred; tolerates mild frost but thrives in heat.
Protect from frost; avoid sudden temperature swings; ensure good ventilation in hot climates.
Fertilizing
every 4–6 weeks during active growth with balanced cactus fertilizer
Fertilize only during active growth; flush soil occasionally to prevent salt buildup; use a cactus-specific fertilizer for best results.
Propagation
Methods
Stem cuttings ( pads ); division of offsets.
Step-by-Step Propagation Guide
- Select a healthy pad.
- Let it callus for 1–2 days.
- Plant in moist medium.
- Keep warm and humid.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm (70–80°F / 21–27°C), bright indirect light, and high humidity (e.g., using a propagation dome).
Medium
Well-draining mix of cactus soil and perlite or sand.
Hormone
Not necessary but can speed up rooting.
Timeline
Roots develop in 2–4 weeks; new growth appears in 1–3 months.
Tools Needed
Sharp knife, rooting hormone (optional), pot, well-draining soil mix, humidity dome.
Quick Tips
Allow pads to callus before planting; use gloves to avoid skin irritation from glochids; maintain consistent moisture.
Pruning & Repotting
Pruning Guide
Method
Cut pads at the base with clean, sharp tools; allow cuts to callus before handling.
Pruning Plan
Remove dead, damaged, or overgrown pads to maintain shape and encourage new growth.
Tools
Pruning shears, gloves, alcohol wipes for sterilization.
Checklist
Wear gloves; sterilize tools; cut cleanly; dispose of pruned material safely.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Increase pot size by 1–2 inches (2.5–5 cm) in diameter.
Method
Remove plant carefully; trim roots if necessary; repot in 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
Check root bound status; prepare new pot with drainage; handle with care; use fresh soil mix.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; adjust seasonally.
How to Apply Water Properly
Water directly at the root zone until water drains from the bottom; ensure excess water exits the pot; water early in the day to minimize evaporation and fungal risk.
Watering Schedule Tips
Water deeply during active growth (spring/summer) every 1–2 weeks, allowing soil to dry completely between waterings; reduce frequency to monthly or less in winter.
Soil Improvement
Add coarse sand, perlite, or pumice to standard potting soil to enhance drainage; avoid heavy, water-retentive soils.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing pads, or stunted growth in cold; scorching or sunburn on pads in excessive heat.
Cold Stress
Low temperatures slow growth and can cause root rot if soil remains wet; prolonged cold may lead to tissue damage.
Solution: Move to a warmer location; ensure soil is dry; provide frost protection if temperatures drop below 40°F (4°C).
Hot Stress
Excessive heat can cause dehydration, sunburn, or scorching of pads, leading to tissue damage.
Solution: Provide partial shade during peak heat; increase watering slightly if soil dries too quickly; ensure good airflow.
Fertilizing Guide
Fertilizing Checklist
Check growth phase; dilute fertilizer; apply to moist soil; avoid winter feeding.
Fertilizing Method
Use a balanced, water-soluble fertilizer diluted to half strength every 4–6 weeks during spring and summer; avoid fertilizing in fall and winter.
Common Problems & Solutions
Toxicity Warning
Cats
Slightly ToxicOpuntia microdasys is not highly toxic to cats, but ingestion may lead to mild gastrointestinal issues. The spines are the primary concern, as they can cause injury if they come into contact with the cat's skin or are ingested.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten or if spines come into contact with skin
Dogs
Slightly ToxicThe bunny ear cactus is not highly toxic to dogs, but ingestion can cause mild gastrointestinal upset. The spines pose a greater risk, as they can cause mechanical injury to the mouth, throat, or digestive tract if ingested.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten or if spines come into contact with skin
Humans
Slightly ToxicOpuntia microdasys, commonly known as the bunny ear cactus, is generally non-toxic if ingested in small quantities. However, the spines can cause mechanical irritation and injury upon contact with skin or ingestion. The pads may cause mild gastrointestinal discomfort if consumed.
⚠️ Symptoms:
🌿 Toxic Parts:
⚡ Toxic If:
if eaten or if spines come into contact with skin
Frequently Asked Questions
Q: How often should I water my Bunny Ear Cactus?
A: Water sparingly, allowing the soil to dry completely between waterings. Reduce watering in winter.
Q: Are the glochids on this cactus harmful?
A: While not toxic, the tiny barbed hairs can be irritating and difficult to remove if they stick to the skin.
Q: Can this cactus be grown indoors?
A: Yes, it thrives in bright indoor light with minimal care, making it an excellent choice for indoor cultivation.
Quick Reference
| Family: | Cactaceae |
| Care: | easy |
| Light: | full sun |
| Water: | every 2–3 weeks during growi |
Get Expert Care Tips
Download the Plantious app for personalized care reminders and plant identification!
Google Play App Store
