Irregular Mouse-ear
calepina irregularis
Also known as: ["Mouse-ear Calepina"]
Overview
A small annual herbaceous plant with low-growing habit and small, irregularly shaped leaves.
Benefits & Perks
["wildlife attractant (bees, butterflies, birds)","drought tolerant","low maintenance"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Calepina |
| Botanical Name: | Calepina irregularis |
Plant Characteristics
Basic Information
- Category: Herbs & Weeds
- Suitable Location: rock gardens, sunny borders, or containers in temperate climates
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–30°C"}
- Hardiness: {"zones":"7–10"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, loamy soil with added organic matter; can tolerate poor soils.
Maintenance Level
- Maintenance Level: very low
- Toughness Level: very high
- Pruning Frequency: As needed, typically every 2–3 months or after flowering.
- Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary for rejuvenation.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; tolerate partial shade, especially in hot climates.
Sunlight Tolerance Tips:
Acclimate gradually to intense light; protect from direct midday sun to avoid scorching; adjust placement based on indoor/outdoor conditions.
Care Requirements
Care Difficulty
very easyeasy
Sunlight
full sun to partial shade
Rotate plant for even light exposure; use sheer curtains to filter intense sunlight; monitor for signs of sunburn.
Watering
every 7–10 days during active growth, reduce in winter
Water thoroughly but infrequently; ensure proper drainage; adjust based on season and growth stage.
Soil
well-draining, sandy loam with moderate organic content
pH: Slightly acidic to neutral (pH 6.0–7.0).
Use a cactus mix as a base; avoid heavy clay soils; ensure pots have drainage holes.
Temperature
Prefers moderate temperatures (60–75°F or 15–24°C); tolerates cooler conditions but avoid frost.
Avoid sudden temperature changes; protect from drafts; maintain consistent room temperature.
Fertilizing
every 4–6 weeks during growing season, none in winter
Dilute fertilizer to prevent burn; fertilize only when actively growing; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Stem cuttings or self-seeding; stem cuttings are more reliable for controlled propagation.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Dip in rooting hormone (optional).
- Plant in medium.
- Keep moist and warm.
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 with perlite or sand; can also root in water.
Hormone
Optional but recommended for faster rooting.
Timeline
Roots develop in 2–4 weeks; new growth appears in 6–8 weeks.
Tools Needed
Pruning shears, rooting hormone, small pots, well-draining medium.
Quick Tips
Use healthy, non-flowering stems; keep cuttings out of direct sun; maintain humidity with a plastic bag if needed.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips to encourage branching; trim leggy stems to promote compact growth.
Pruning Plan
Prune to maintain shape, encourage bushiness, and remove dead or leggy growth.
Tools
Clean, sharp pruning shears or scissors.
Checklist
Sterilize tools; prune dead or damaged growth; shape as desired; dispose of clippings.
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
One size up (e.g., from 4-inch to 6-inch pot); ensure good drainage.
Method
Remove plant gently; trim roots if crowded; place in a slightly larger pot with fresh soil; water lightly.
Suggestions
Repot every 1–2 years or when roots fill the pot; beneficial for growth and soil freshness.
Checklist
Choose appropriate pot size; prepare fresh soil mix; handle roots carefully; 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; avoid wetting foliage; allow excess water to drain away.
Watering Schedule Tips
Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or sand for drainage; incorporate compost for fertility; ensure aeration with loose soil structure.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, or stunted growth in extreme heat or cold; bud drop in fluctuating temperatures.
Cold Stress
Slows growth and can cause leaf damage or death in temperatures below 50°F (10°C).
Solution: Move to a warmer location; provide insulation if outdoors; avoid cold drafts.
Hot Stress
Leaves may wilt, scorch, or drop in temperatures above 85°F (29°C); growth may slow.
Solution: Provide shade; increase humidity; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during growing season; avoid winter feeding.
Fertilizing Method
Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring/summer); cease in fall/winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicCalepina irregularis is not toxic to cats. There are no known toxic effects associated with ingestion of this plant by felines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Non-toxicCalepina irregularis does not pose a toxic risk to dogs. The plant is not known to cause adverse effects when ingested by canines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Non-toxicCalepina irregularis is not known to exhibit toxic properties to humans. It is generally considered safe for consumption in moderate quantities.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Is Calepina irregularis toxic to pets?
A: There is insufficient data on its toxicity to pets.
Q: How does this plant grow?
A: It is an annual plant that spreads easily in disturbed soils.
Q: Does it require much care?
A: No, it is very low maintenance and highly tolerant of harsh conditions.
Quick Reference
| Family: | Brassicaceae |
| Care: | very easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days during activ |
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