Roundleaf Hare's Ear
bupleurum rotundifolium
Also known as: ["Roundleaf Hare's Ear","Hare's Ear"]
Overview
A herbaceous annual plant with slender stems and lance-shaped leaves, known for its small, yellowish-green flowers.
Benefits & Perks
["wildlife attractant (bees, butterflies, birds)","low maintenance","fragrant flowers"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Apiales |
| Family: | Apiaceae |
| Genus: | Bupleurum |
| Botanical Name: | Bupleurum rotundifolium |
Plant Characteristics
Basic Information
- Category: Flowers
- Suitable Location: garden bed or container in a location with good air circulation
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"5–30°C"}
- Hardiness: {"zones":"6–9"}
- Misting: rarely required, only if ambient humidity is very low
- Drainage: Fast-draining.
- Soil Type: Well-draining potting mix with added perlite or sand.
Maintenance Level
- Maintenance Level: low
- Toughness Level: moderate
- Pruning Frequency: As needed, typically every 2–3 months or after flowering.
- Pruning Intensity: Light to moderate.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; tolerate partial shade in intense summer sun.
Sunlight Tolerance Tips:
Acclimate gradually to intense light; protect from direct midday sun; adjust placement based on seasonal light changes.
Care Requirements
Care Difficulty
easymoderate
Sunlight
full sun to partial shade
Rotate plant weekly; use sheer curtains for filtered light; avoid direct afternoon sun.
Watering
every 7–10 days, allowing soil to dry slightly between waterings
Water thoroughly but infrequently; ensure proper drainage; avoid wetting foliage.
Soil
well-draining, loamy soil with moderate organic content
pH: Slightly acidic to neutral (6.0–7.0).
Ensure pots have drainage holes; avoid heavy clay soils; amend with compost if needed.
Temperature
Prefers 60–75°F (15–24°C); tolerates cooler temperatures but avoid frost.
Avoid sudden temperature changes; protect from drafts; maintain consistent warmth.
Fertilizing
every 4–6 weeks during active growth with a balanced liquid fertilizer
Fertilize less in winter; flush soil occasionally to prevent salt buildup; use balanced NPK fertilizer.
Propagation
Methods
Stem cuttings or seed.
Step-by-Step Propagation Guide
- Take a 4–6 inch cutting.
- Remove lower leaves.
- Dip in rooting hormone.
- Plant in medium.
- Keep moist.
Best Time: Spring or early summer when the plant is actively growing.
Environment
High humidity, indirect light, and warm temperatures (65–75°F).
Medium
Well-draining potting mix with perlite or sand.
Hormone
Optional, but recommended for faster rooting.
Timeline
Roots develop in 2–4 weeks; establish in 2–3 months.
Tools Needed
Pruning shears, rooting hormone, small pots, misting spray bottle.
Quick Tips
Use healthy parent stems; maintain humidity with a plastic bag; keep soil consistently moist.
Pruning & Repotting
Pruning Guide
Method
Pinch back tips or cut stems just above a leaf node.
Pruning Plan
Remove dead or leggy growth to encourage bushier, healthier plants.
Tools
Clean pruning shears or sharp scissors.
Checklist
Sanitize 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 larger pot; ensure good drainage.
Method
Remove plant gently; trim roots if necessary; place in a new pot with fresh soil; water lightly.
Suggestions
Repot every 2–3 years or when roots outgrow the pot; improves growth and prevents root-bound issues.
Checklist
Check root health; prepare new pot; use fresh soil; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; water deeply; ensure drainage; avoid wetting leaves.
How to Apply Water Properly
Water directly at the root zone until water drains from the bottom; allow excess to drain completely; water in the morning to reduce evaporation.
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 coarse sand for drainage; incorporate organic matter for fertility.
Temperature Stress Management
Signs of Temperature Issues
Wilting, yellowing leaves, or stunted growth in extreme heat or cold.
Cold Stress
Slows growth, may cause leaf drop, and increases susceptibility to disease.
Solution: Move to a warmer location; insulate pots; avoid cold drafts.
Hot Stress
Leaves may scorch, wilt, or drop; growth may slow.
Solution: Provide shade; increase humidity; water more frequently but avoid waterlogging.
Fertilizing Guide
Fertilizing Checklist
Check season; dilute fertilizer; apply to moist soil; avoid contact with roots.
Fertilizing Method
Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season; avoid fertilizing in winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicBupleurum rotundifolium is not considered toxic to cats. There are no documented cases of toxicity or adverse effects in felines.
⚡ Toxic If:
Generally non-toxic
Dogs
Non-toxicBupleurum rotundifolium is not considered toxic to dogs. There are no documented cases of toxicity or adverse effects in canines.
⚡ Toxic If:
Generally non-toxic
Humans
Non-toxicBupleurum rotundifolium is not considered toxic to humans under normal circumstances. It has no known significant toxic effects or physiological impacts.
⚡ Toxic If:
Generally non-toxic
Frequently Asked Questions
Q: Is Bupleurum rotundifolium toxic to pets?
A: There is no reliable information available regarding its toxicity to pets.
Q: How often should I water Bupleurum rotundifolium?
A: Water moderately, allowing the soil to dry slightly between waterings.
Q: Does Bupleurum rotundifolium attract wildlife?
A: Yes, it attracts bees, butterflies, and birds, making it a good choice for wildlife gardens.
Quick Reference
| Family: | Apiaceae |
| Care: | easy |
| Light: | full sun to partial shade |
| Water: | every 7–10 days, allowing so |
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