Profile
Root ParsleyPetroselinum crispum subsp. tuberosum
Biennial root plant with intense aroma and high storage capacity.

Quick profile
Key data
Harvest
September - December
Water
medium
Growing data
Root Parsley Growing data
Seed depth
1 - 2 cm
Plant spacing
5 - 10 cm
Row spacing
25 - 30 cm
Germination temp
5 - 25 °C
Sowing and germination
Planting and spacing
Temperature and site
Water, nutrients and care
Container, support and growth
Year plan
Root Parsley Calendar
Indoor sowing
Pre-culture unusual as taproots do not tolerate transplanting well.
Direct sowing
Early sowing possible from March as soon as the soil is workable.
Planting
Direct sowing is strongly recommended.
Harvest
Main harvest in late autumn; can remain in the ground over winter if soil is not frozen.
Year plan
- Direct sowing
Growing
Root Parsley Site, soil and care
Spacing
5 - 10 cm
Storage
Fresh storage: Method: Refrigerator (crisper drawer), Duration: 1-2 weeks, Long term storage: Method: Storage in moist sand in a cool cellar., Duration: 4-6 months
Germination tip: Patience is key: Germination can take up to 4 weeks. Keep soil consistently moist., Soil prep: Loosen the soil deeply and remove stones to encourage straight, long roots.
Pruning
Root Parsley Pruning
Pruning timing
Summer
Crop maintenance Only remove dead leaves to prevent disease.
Remove
- Yellowed or diseased outer leaves during the growth phase
- Flower stalks in the first year (if they bolt prematurely)
Preserve
- The central heart leaf for continuous growth
- Sufficient foliage mass to provide energy to the root
Avoid
- Radical cutting of foliage before main harvest
- Damaging the taproot during hoeing
Tools and hygiene
Use clean knives to avoid pathogens at the root collar.
Companion guide
Root Parsley Companion guide
Health
Pests, Diseases
Pests
psila_rosae
Feeding tunnels in the root, reddish discoloration.
Diseases
septoria_petroselini
Small brown spots with black borders on the leaves.
Deficiencies
boron_deficiency
Heart and dry rot, cracked roots.
Plant health
FAQ
Why is my root parsley growing so slowly?
The germination phase is very long, up to 30 days. Even after that, it grows slower than leaf parsley as it puts energy into root development.
Can you eat the leaves of root parsley?
Yes, the leaves are edible and taste similar to flat-leaf parsley. However, harvest moderately to avoid weakening the root.
Related plants
Carrot
Parsnip
Celery
Susceptible to carrot fly and Septoria leaf spot.
Onion
Internal links
Related plants
Sources
Public sources
- Wikidata entity
Wikidata · 2026-05-14
- GBIF species match
GBIF · 2026-05-14
- Deutschsprachige Wikipedia: Wurzelpetersilie
Wikipedia · 2026-05-14
- GBIF species match
GBIF · 2026-05-14
Details
More public plant data
Names
Common
Root Parsley
Plural
Root Parsleys
Scientific synonyms
- Petroselinum crispum var. tuberosum
- Petroselinum sativum var. tuberosum
Synonyms
- Hamburg Parsley
- Dutch Parsley
- Turnip-rooted Parsley
Common synonyms
- Hamburg Parsley
Regional names
- Peterwurzen
Historical names
Market names
- Parsley Root
Misspellings
- Petersilien wurzel
International names
Fr
- Persil tubéreux
- Persil à grosse racine
It
- Prezzemolo da radice
Pl
- Pietruszka korzeniowa
Nl
- Wortelpeterselie
Ambiguous names
- NamePastinakeLanguagede
Shared with
- Pastinaca sativa
Clarification
Often confused with parsnips, but root parsley smells like parsley and has different leaf attachment.
Search terms
- Root Parsley
- Hamburg Parsley
- Petroselinum tuberosum
Taxonomy
Clades
- Tracheophyta
- Angiosperms
- Eudicots
- Asterids
Family
Umbellifers
Related crops
- Petroselinum crispum var. crispum
- Pastinaca sativa
- Daucus carota
Classification
Edible parts
- Root
- Leaves
Calendar
Sowing indoor
Notes
Pre-culture unusual as taproots do not tolerate transplanting well.
Sowing outdoor
Months
- 3
- 4
- 5
Notes
Early sowing possible from March as soon as the soil is workable.
Planting out
Notes
Direct sowing is strongly recommended.
Harvest
Months
- 9
- 10
- 11
- 12
Notes
Main harvest in late autumn; can remain in the ground over winter if soil is not frozen.
Month tasks
1
Harvest possible if soil is not frozen.
2
Bed preparation: Loosen soil deeply.
3
First direct sowing outdoors.
4
Continue sowing; ensure consistent moisture.
5
Thin out young plants.
6
Hoeing and weeding.
7
Water regularly during dry spells.
8
Check soil coverage via mulching.
9
Start of harvest for early consumption.
10
Main harvest season for storage.
11
Store in sand boxes or pit storage.
12
Fresh harvest from the bed as needed.
Month tasks structured
3
- Tasksowing
Label
Direct sowing
PriorityhighMonths
- 3
- 4
Conditionfrost_free_soilEstimated effortlowNotes
Long germination period (up to 4 weeks); marker cropping with radishes recommended.
Book content
Intro text
Root parsley is an indispensable winter vegetable, prized for its aromatic, cone-shaped roots and flavorful foliage.
History
Native to the Mediterranean, it became a staple in Central and Eastern Europe, where it is a key ingredient in soups and stews.
Structured month tasks
3
- Tasksowing
Label
Outdoor sowing
PrioritymediumMonths
- 3
- 4
- 5
Conditionmin_soil_temp_8CEstimated effortlowNotes
Keep seeds consistently moist.
10
- Taskharvesting
Label
Main harvest
PriorityhighMonths
- 10
- 11
Conditiondry_weatherEstimated effortmediumNotes
Lift roots carefully with a digging fork.
Cultivation specs
Seed
Spacing
Spacing notes
Sowing too densely results in thin roots.
Growth dimensions
Final size notes
The foliage resembles leaf parsley, while the root becomes turnip-like.
Temperature
Temperature notes
Very frost-hardy; frost often improves the flavor.
Water
Critical water phases
- Germination phase
- Main root growth
Water notes
Consistent moisture prevents the roots from splitting.
Nutrition
Nutrition notes
Do not use fresh manure (causes forking of roots).
Container
Container notes
Deep containers mandatory for the taproots.
Support
Support notes
Self-supporting.
Cultivation modes
Yield density
Yield notes
Yield depends on soil quality and looseness.
Site
Exposure
Sunny to semi-shaded
Ideal climate
Temperate climate, tolerates moist-cool locations.
Soil
Soil type
Deep, humus-rich, stone-free
Soil notes
Stones in the soil lead to crooked roots.
Watering
Frequency
Regularly, never let the soil dry out completely.
Nutrition
Fertilization strategy
Base fertilization with ripe compost before sowing; optional potassium-rich feeding in summer.
Cultivation planning
Succession sowing
Bed planning notes
Do not grow after other Umbellifers (carrots, celery). Observe a crop rotation break of 3-4 years.
Crop rotation
Previous crops
Good
- Solanum lycopersicum
- Allium cepa
- Cucumis sativus
Bad
- Daucus carota
- Apium graveolens
- Pastinaca sativa
- Anethum graveolens
Following crops
Good
- Lactuca sativa
- Spinacia oleracea
- Phaseolus vulgaris
Bad
- Petroselinum crispum
- Daucus carota
Notes
Root parsley is self-incompatible and prone to soil-borne diseases if the crop rotation is too tight.
Deficiencies
- Slugboron_deficiencyNutrientBoron
Symptoms
Heart and dry rot, cracked roots.
Problems
- Slugforked_roots
Name
Forking
Cause
Stones in the soil or fresh organic manure.
Problem management
Common pest groups
- Flies
- Aphids
- Nematodes
Common disease groups
- Leaf spot diseases
- Powdery mildew
- Root rot
Prevention principles
- Use of healthy seeds
- Wide crop rotation (4 years)
- Deep soil loosening
Diagnosis notes
Always check soil structure and previous fertilization when diagnosing root problems.
Disease graph
Profiles
- Slugmildew_powderySeveritymedium
Conditions
- Dry and warm weather
Affected parts
- Leaves
Prevention
- Adequate plant spacing
Organic control
- Treatment with wettable sulfur
Diagnostic rules
Symptom
Leaves yellow and wilt prematurely
Possible causes
- psila_rosae
- waterlogging
First checks
- Check root for feeding tunnels
- Check soil moisture
Prevention strategy
Cultural
- Site selection (windy)
- Stone-free bed
Monitoring
- Yellow sticky traps for carrot fly
Organic first response
- Removal of infested plant parts
Notes
Prevention is crucial for root vegetables as damage is often only visible at harvest.
Diagnosis
Phenology
Stages
- Germination (21-30 days)
- Leaf development
- Root thickening (main expansion in late summer)
- Flowering (in the second year)
- Seed maturation
Notes
As a biennial plant, the root is harvested in the first year; flowers only appear after a cold period in the following year.
Flowering pollination
Flowering period
Months
- 6
- 7
Notes
Flowering occurs only if the roots overwinter in the ground.
Flower description
Yellowish-green compound umbels, typical for Apiaceae.
Harvest
Main harvest period
October to November
Leaf harvest
Individual leaves can be harvested continuously, but this weakens root growth.
Harvest details
Harvest frequency
Single main harvest of roots; leaves can be picked moderately.
Harvest indicators
- Outer leaves dying back or yellowing
- Root has reached a diameter of approx. 3-5 cm
- Reaching the desired harvest window from September onwards
Post harvest handling
Trim foliage to 2-3 cm, do not wash if long-term storage is planned.
Storage
Fresh storage
Method
Refrigerator (crisper drawer)
Duration
1-2 weeks
Long term storage
Method
Storage in moist sand in a cool cellar.
Duration
4-6 months
Storage details
General storage category
Winter storage vegetable
Storage life
Very good storage life under cool, moist conditions (0-1°C, 95% RH).
Processing options
- Freezing (diced)
- Drying
- Pickling (Sweet and Sour)
- Preserving as broth
Processing use
Primary use
Soup greens and seasoning root
Industrial use
Production of bouillon cubes and dry spice mixes.
Kitchen usage
Culinary profile
Intense parsley aroma, sweeter than parsnips, spicy-earthy.
Preparation methods
- Grated raw in salads
- Steamed as a side dish
- Pureed in soups
- Roasted as oven vegetables
Safety and edibility
Edible parts
- Root
- Leaves
- Seeds (in small amounts as spice)
Inedible or caution parts
- Flowering plants in the second year (increased apiol content)
Toxicity notes
Contains apiol; levels increase significantly during flowering, which can be harmful in large quantities (especially during pregnancy).
Raw consumption
Safe and very aromatic; often finely grated in raw salads.
Seed saving
Difficulty
Medium
Seed harvest method
Cut umbels when they turn brown and allow to ripen further.
Seed saving advanced
Crossing risks
Crosses with all other parsley varieties (leaf parsley).
Selection criteria
Select smooth, thick roots without branching for seed carriers.
Varieties
- NameHalblangeSlughalblange
Description
Proven, high-yielding variety with cone-shaped, medium-heavy roots.
Maturitymid-early - NameBerlinerSlugberliner
Description
Very common market variety, smooth-skinned and good for storage.
Maturitylate - NameAratSlugarat
Description
Smooth-walled, pure white roots with very strong aroma and good resistance.
Maturitymid-early
Woody crop details
Notes
Root parsley is an herbaceous biennial vegetable; wood-specific or grafting topics are not applicable.
Ecology
Biodiversity notes
In the second year, the umbel flowers provide abundant nectar for hoverflies and wild bees.
Practical notes
Germination tip
Patience is key: Germination can take up to 4 weeks. Keep soil consistently moist.
Soil prep
Loosen the soil deeply and remove stones to encourage straight, long roots.
Seasonal content
Spring
Main season for outdoor sowing starting in March.
Summer
Focus on adequate watering and weed control.
Autumn
Start of main harvest and storage for winter.
Winter
Harvesting from the bed is possible if the soil is not frozen.



