Jerusalem Cicely

chaerophyllum bulbosum

Also known as: ["Jerusalem Cicely","Giant Chervil","Turnip-rooted Chervil"]

Family: Apiaceae Genus: Chaerophyllum Category: Herbs & Weeds

Overview

A biennial herb native to Europe, known for its edible roots and leaves, though the seeds are toxic if eaten raw.

Benefits & Perks

["edible fruits","culinary herb","aesthetic foliage"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Apiales
Family: Apiaceae
Genus: Chaerophyllum
Botanical Name: Chaerophyllum bulbosum

Plant Characteristics

Basic Information
  • Category: Herbs & Weeds
  • Suitable Location: garden bed or container in a location with partial shade
  • Suitable For:
    Beginners Edible Gardeners Culinary Herb Lovers
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–25°C"}
  • Hardiness: {"zones":"4–8"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Well-draining to fast-draining.
  • Soil Type: Rich, well-draining soil with organic matter; can tolerate slightly sandy or loamy soils.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: moderate
  • Pruning Frequency: As needed; typically once a year or after flowering.
  • Pruning Intensity: Light pruning.
Care Details

Ideal Sunlight Coverage:
Full sun to partial shade; 6–8 hours of direct sunlight daily, with some afternoon shade in hot climates.

Sunlight Tolerance Tips:
Acclimate gradually to intense sunlight; protect from harsh afternoon sun; adjust placement based on seasonal light changes.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor soil conditions or improper watering.

Care Requirements

Care Difficulty
moderate

moderate

Sunlight

partial shade to full sun

Rotate plant for even light exposure; use sheer curtains to filter intense sun; monitor for sunburn.

Watering

every 7–10 days, allowing soil to dry slightly between waterings

Water thoroughly but infrequently; ensure soil dries between waterings; avoid overwatering.

Soil

well-draining, fertile loam with added organic matter

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

Ensure soil is not compacted; avoid waterlogged conditions; enrich with organic matter annually.

Temperature

Prefers cool to moderate temperatures (60–75°F or 15–24°C); tolerates cooler nights.

Protect from frost; avoid placing near heat sources; maintain consistent temperatures.

Fertilizing

every 4–6 weeks during active growth with a balanced liquid fertilizer

Fertilize sparingly to avoid salt buildup; flush soil occasionally to prevent nutrient lockout; stop fertilizing in dormancy.

Propagation

Methods

Seed propagation is the most reliable method; can also be propagated by root division.

Step-by-Step Propagation Guide
  1. Sow seeds shallowly.
  2. Keep moist.
  3. Thin seedlings.
  4. Or divide roots carefully.
  5. Replant divisions.

Best Time: Sow seeds in late winter or early spring; divide roots in early spring before new growth begins.

Environment

Warm (65–70°F or 18–21°C), humid environment with indirect light.

Medium

Well-draining seed starting mix or a mix of peat and perlite.

Hormone

Not required for seeds; root division may benefit from a rooting hormone.

Timeline

Seeds may take 2–4 weeks to germinate; plants reach maturity in 1–2 years.

Tools Needed

Seed trays, pots, pruners, rooting hormone (optional), watering can.

Quick Tips

Sow seeds indoors 6–8 weeks before last frost; use bottom heat for faster germination; divide roots only when necessary.

Pruning & Repotting

Pruning Guide
Method

Snip off dead or yellowing leaves; trim back leggy growth to encourage bushiness.

Pruning Plan

Minimal pruning required; focus on removing dead or damaged foliage to maintain plant health.

Tools

Pruning shears, gloves.

Checklist

Sanitize tools; remove dead foliage; trim selectively; avoid over-pruning.

Repotting Guide
Best Season

Early spring before new growth starts.

Pot Size

One size larger pot; ensure it has drainage holes.

Method

Gently remove the plant; trim any circling roots; place in a new pot with fresh soil; water lightly.

Suggestions

Repot only when the plant becomes root-bound or outgrows its container; not frequently needed.

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; avoid wetting leaves.

How to Apply Water Properly

Water at the base of the plant, ensuring moisture reaches the root zone; allow excess water to drain; water in the morning to reduce evaporation.

Pro Tip: Use a watering can with a narrow spout to direct water to the roots without wetting foliage.
Watering Schedule Tips

Water deeply once the top inch of soil is dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add compost or well-rotted manure for fertility; mix in perlite or sand for drainage.

Temperature Stress Management
Signs of Temperature Issues

Wilting, yellowing leaves, stunted growth, or flower bud drop.

Cold Stress

Slows growth, may cause leaf discoloration, and increases susceptibility to root rot.

Solution: Move to a warmer location; insulate roots with mulch; avoid overwatering in cold conditions.

Hot Stress

Leaves may scorch, wilt, or drop; growth may slow due to excessive heat.

Solution: Provide shade during peak heat; increase humidity; water more frequently but avoid waterlogging.

Fertilizing Guide
Fertilizing Checklist

Use diluted fertilizer; apply during active growth; avoid winter feeding.

Fertilizing Method

Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during the growing season (spring to early fall); avoid fertilizing in winter.

Common Problems & Solutions

Yellow leaves in Chaerophyllum bulbosum may indicate nutrient deficiencies, overwatering, or pest infestations, affecting photosynthesis and overall plant health.

Wilting in Chaerophyllum bulbosum can result from water stress, either due to drought or overwatering, impacting nutrient uptake and plant stability.

Leaf spots on Chaerophyllum bulbosum are often caused by fungal or bacterial pathogens, which can reduce photosynthetic efficiency and weaken the plant.

Rotting, particularly root or bulb rot, can occur in Chaerophyllum bulbosum due to excessive moisture or fungal infections, leading to decay and plant death.

Toxicity Warning

Cats
Slightly Toxic

Cats may suffer from mild gastrointestinal issues if they ingest raw seeds or roots of Chaerophyllum bulbosum. The effects are typically not life-threatening but can cause discomfort.

⚠️ Symptoms:
vomiting diarrhea depression
🌿 Toxic Parts:
seeds roots
⚡ Toxic If:

if eaten raw

Prevent cats from accessing raw seeds and roots. If ingestion is suspected, seek veterinary advice promptly.
Dogs
Slightly Toxic

Dogs may experience mild gastrointestinal upset if they consume raw seeds or roots of Chaerophyllum bulbosum. The toxicity is generally not severe but can cause discomfort.

⚠️ Symptoms:
vomiting diarrhea lethargy
🌿 Toxic Parts:
seeds roots
⚡ Toxic If:

if eaten raw

Keep raw seeds and roots out of reach of dogs. If ingestion occurs, monitor the dog for symptoms and consult a veterinarian if necessary.
Humans
Slightly Toxic

The seeds and roots of Chaerophyllum bulbosum contain toxic compounds that can cause gastrointestinal distress and other mild symptoms when consumed raw. Cooking the seeds neutralizes the toxins, making them safe for consumption.

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

if eaten raw

Always cook the seeds thoroughly before consumption to avoid toxicity. Handle raw seeds and roots with care, and keep them 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 Chaerophyllum bulbosum safe for pets?

A: Yes, it is non-toxic to dogs and cats.

Q: Can the seeds of Chaerophyllum bulbosum be eaten?

A: No, the seeds are toxic if eaten raw and should be cooked before consumption.

Q: What are the common uses of this plant?

A: It is primarily grown for its edible roots and leaves, which are used in culinary dishes.

Quick Reference
Family: Apiaceae
Care: moderate
Light: partial shade to full sun
Water: every 7–10 days, allowing so
Suitable For: ["beginners","edible gardeners","culinary herb lovers"]
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