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Hamburg Rooted Parsley

Hamburg Rooted · Apiaceae

Old European parsley grown for both aromatic foliage and a pale tapered edible root. Best in cool weather and deep loose soil, where it behaves like a parsley-root cross useful in soups, roasts, and winter storage. Key facts: 90–110 days to maturity, 4+ hours of sun, 4–6 " spacing. Container-friendly (minimum 3-gallon pot).

Updated April 19, 2026 · Backed by 4 cited sources
Overview

At a Glance

The essentials first: timing, light, spacing, seed-starting, container fit, and overall size.

Days to maturity
90–110 days
Sun
4+ hours
Full Sun In Cool Weather Or Light Shade In Warmer Regions
Spacing
4–6 "
between plants
Seed start
0–2 weeks
before transplant
Container
Yes
3+ gallon pot
Height
0.75–1.5 ft
at maturity
Planting window

Zone Planting Guide

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This card updates instantly with viability, frost timing, and any planting notes for your selected zone.

Resilience

Plant Health

Stress tolerance, resistance notes, and the most common problems to watch for as plants mature.

Tolerance
Heat: Moderate Cold: High Drought: Low

Common Issues

Poor Germination

Cause: Parsley seed is slow and can dry out near the surface

Prevention: Keep seedbed evenly moist and mark the row clearly

Forked Roots

Cause: Stony or compacted soil and transplant disturbance

Prevention: Direct-sow into deep loose soil and avoid fresh manure

Leaf Spot

Cause: Crowded humid foliage

Prevention: Thin well and water at the base

Feeding & picking

Nutrition & Harvest

How hungry the plant is, what ripe harvest looks like, and how long the crop keeps after picking.

Feeding
Nutrition
Feeding intensityLight feeder
RecipesWorm Castings Topdress, Compost Tea
Timing
Harvest

Roots are pale, tapered, and well sized, usually after cool weather has sweetened them; leaves are dark green and aromatic.

Expected yield0.15–0.4 lbs/plant
Storage60 days — Store trimmed roots cool and humid like carrots; refrigerate leaves for short-term use.
Plant relationships

Companion Planting

Helpful neighbors can support growth or deter pests. Keep antagonistic plants separated to reduce stress and competition.

Good companions
What you'll need

Growing Supplies

Based on Hamburg Rooted Parsley's growth profile -- recommendations matched to this variety's specific requirements.

Drip irrigation / soaker hose kit

Every gardener benefits from putting water at the root zone instead of on the leaves, because drip and soaker systems reduce foliar disease pressure by limiting leaf wetness and soil splash. A quality kit should include a backflow preventer, filter, pressure reducer, and UV-resistant tubing.

Source: Iowa State University Extension; Colorado State University Extension; UMass Extension

Soil test kit

A soil test gives a baseline for pH and nutrient status so gardeners can add only what the soil actually needs. Prioritize a mail-in or lab-affiliated kit whenever possible because extension guidance notes that laboratory testing is more accurate than instant readers.

Source: University of Maryland Extension; Purdue Extension; Montana State University Extension

Quality bypass pruners

Extension guidance favors bypass designs because they make cleaner, closer cuts on living tissue than anvil types. Look for hardened steel blades that can be sharpened, a comfortable grip, and a cutting capacity matched to real home-garden stems.

Source: University of New Hampshire Extension; Iowa State University Extension; Purdue University Extension

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Research

Sources

Reference material and extension guidance used to build this growing guide.

seed_catalog Seeds Nowuniversity University of Minnesota Extensionuniversity Penn State Extensioninference Estimated gdd from root parsley harvest windows and parsley growth rate
Internal links

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