How to Grow Cenolophium denudatum Plants in your Garden

Gardener's HQ Guide to Growing Baltic Parsley

Cenolophium denudatum is the only member of its genus and goes by the common name of Baltic parsley.

It is a deciduous hardy perennial native to the forests, grasslands, and marshes of Europe and parts of Asia. This plant is also scientifically referred to by its synonym: Cenolophium fischer.

It blooms with impressive cream umbels in the summer, and looks particularly good when drifted alongside Euphorbia or Verbena plants.

As a member of the Apiaceae family, it is closely related to plants such as carrot, aniseed, celery, fennel, and cumin.

In the garden, Cenolophium denudatum is a good plant to grow if you want to attract helpful insects to your garden, especially bees. It is a very easy plant to grow, largely due to its vigour, and has long-lasting looks.

Plant as part of an herbaceous border or in a wild or low maintenance garden.

In addition to its ornamental features it looks great as part of dried flower arrangements.

Cenolophium denudatum Description

Growing Baltic Parsley

Cenolophium denudatum is a tall, upright, clump forming, umbellifer. It ranges in height from 30 to 48 inches (75–120 cm), and has a spread of around 30 inches (75 cm).

It takes about two years for plants to attain their full height.

Leaves from the basal part of the plant are dark-green, triangular, and fern-like. They can reach about seven inches (18 cm) long. Leaves growing further up the red stems are smaller.

Cenolophium denudatum
Cenolophium denudatum (Baltic parsley) by Els Rammeloo. Nb. this is at an early stage of blooming and the flowers will turn much whiter.

Baltic parsley plants have a long blooming time from summer to middle of autumn / fall.

Flower heads are flat, have numerous umbels, and reache about 4 to 5 inches (10–12 cm across). Each Cenolophium Umbel contains 12 to 16 white (creamy-white) flowers.

Growing Cenolophium

Cenolophium denudatum Growing and Care Guide

  • Grows in zones 6 to 9; hardy to 6a.
  • Can grow in most light (from full sunlight through to shade) and soil conditions (will perform best if the soil is moist with good drainage; will tolerate clay and heavy soils).
  • It performs well in both exposed and unexposed areas.
  • Deadhead flower umbels before seed-set to prevent spreading and to promote further blooming.
  • Provide mulch in the autumn.
  • It is not overly prone to pests and diseases, but slugs may be a problem.

I hope that you enjoyed this guide on Cenolophium denudatum. You may also enjoy the following Gardener's HQ growing guides: How to grow Astrantia and Myrrhis plants.