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Petroselinum crispum var. tuberosum

Image of Petroselinum crispum var. tuberosum

James H. Schutte

Family

Apiaceae

Botanical Name

Petroselinum crispum var. tuberosum

Plant Common Name

Hamburg Parsley, Parsley, Root Parsley, Tuberous Parsley

General Description

Root parsley is a biennial herb grown for its tasty roots, which have a nutty flavor reminiscent of celery. The foliage can be used sparingly as a garnish. Parsley is native to southern Europe and is most often grown as an annual vegetable. The long, white, carrot-like roots are ready to harvest around 100 days after planting.

Plants produce clumps of ferny, many-divided leaves from a long, white taproot. The leaves have a stronger, more bitter flavor than those of leaf parsley. Root parsley is typically harvested in the first year, but it’s technically a biennial. In the summer of the second year, plants bear flat umbels of tiny yellowish flowers on upright stems. These are followed by lots of brown, flattened seed fruits that fall to the ground and often germinate. After blooming and setting seed, the plant will die.

Grow this tuberous herb in full sun and loose, fertile, well-drained soil. Its roots taste best in the first year. Like parsnips, tuberous parsley has the sweetest flavor after exposure to a few frosts. Plants are commonly grown from seed and planted in spring. They can also be planted in fall in areas with mild winters. Sow root parsley seed directly in the garden or set out small plants.

Root parsley can be treated like any other fall or winter root vegetable. It can be eaten raw but is best enjoyed sautéed, roasted or pureed in soups. This is a pleasing plant for the herb or vegetable garden. The leaves are a favorite food for black swallowtail larvae, so it’s an excellent choice for butterfly gardens as well.

Characteristics

  • AHS Heat Zone

    9 - 1

  • USDA Hardiness Zone

    5 - 9

  • Sunset Zone

    A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Vegetable

  • Sun Exposure

    Full Sun, Partial Sun, Partial Shade

  • Height

    12"-18" / 30.5cm - 45.7cm

  • Width

    12"-24" / 30.5cm - 61.0cm

  • Bloom Time

    Early Summer, Summer, Late Summer

  • Native To

    Southern Europe

Growing Conditions

  • Soil pH

    Neutral

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Growth Rate

    Fast

  • Water Requirements

    Average Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Insignificant

  • Flower Color

    Yellow Green

  • Fruit Color

    Sandy Brown

  • Foliage Color (Spring)

    Green

  • Foliage Color (Summer)

    Green

  • Foliage Color (Fall)

    Green

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    Yes

  • Bark or Stem Fragrant

    Yes

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    No

  • Foliage Texture

    Medium

  • Foliage Sheen

    Glossy

  • Evergreen

    Semi-Evergreen

  • Showy Bark

    No

Special Characteristics

  • Usage

    Edible, Herb / Vegetable

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Butterflies

  • Self-Sowing

    Yes