Adlumia Plant Growing & Care Guide for Gardeners

Article by Dean Ravenscroft, Ph.D. - Updated 18th Oct 2023

In this Gardener's HQ guide, we'll explore cultivating Adlumia plants in your garden, indoor spaces, and other settings.

Climbing Fumitory, Allegheny Vine, & Mountain fringe: Cultivation & Garden Use

The common names for the Hardy Biennial Adlumia include Climbing fumitory, Allegheny vine and mountain fringe.

They typically flower at the height of summer.

J.S. Peterson @ USDA-NRCS PLANTS Database

Description of Climbing Fumitory

Adlumia species such as the Climbing Fumitory are large climbers that reach heights up to (sixteen feet) five metres.

Climbing fumitory, Mountain fringe, and Allegheny vine are common names for the same plant, native plants of New England in the United States of America.

As a consequence of the plants great height it has a restrictive use in most gardens, typically only being grown in large gardens.

How to Grow Adlumia Climbing Fumitory

It is best to sow Climbing Fumitory at a depth of 1/8th inch (1/2 cm). They should be planted singularly in the early summer. Adlumia plant prefers shady to partly shady conditions.

The soil should be sandy, cool and moist with a pH that is not too acidic. Climbing Fumitory requires between 15 and 45 days to germinate.

When starting growth off indoors, it is best to start seeds off six to eight weeks before transplanting after the last frost of spring.

Caring for Adlumia in the Garden

Climbing fumitory (Adlumia) are easy to look after. It is important to grow them on a trellis for support, and to provide protection from adverse weather.

Plants will require watering during prolonged dry spells. The soil should be kept cool through regular use of mulch.

The two Adlumia Plant Species

Adlumia fungosa

The Adlumia fungosa (also known as Climbing fumitory or Allegheny vine) is a unique biennial (sometimes short-lived perennial) vine. It notable for its delicate, fern-like foliage. It carries clusters of small, pale pink flowers. These bloom from early summer to fall.

Climbing-Fumitory, Adlumia fungosa photographs by dogtooth77; CC.

Plants thrive in partial to full shade and well-drained soil. It is naturally found in woodland setting,s but also makes a beautiful addition to shaded gardens, where it can climb trellises or other supports, adding an enchanting, airy feel.

Adlumia asiatica

Adlumia asiatica is a perennial climbing plant that grows in Eastern Asia (native to Korea). It is distinguished by its feathery foliage and small, off-white to pale pink flowers that bloom in the summer, giving it an ethereal appearance.

When cultivated in a garden, it prefers a shady to semi-shady location and moist, well-drained soil. Its elegant climbing habit makes it an ideal choice for growing on trellises or along fences, where it can provide a charming, woodland-like atmosphere.

Common Questions

How many members does the Adlumia genus have?

The Adlumia genus is quite small, with only one or two species, including Adlumia fungosa, also known as climbing fumitory.

Do members of Adlumia make a good garden or landscaping plant?

Adlumia fungosa is a charming climber, adding vertical interest in the garden. It is suitable for trellises, fences, and woodland gardens.

Which Adlumia species are most frequently grown by gardeners?

Adlumia fungosa is the most commonly grown species. This biennial vine is appreciated for its delicate, fern-like foliage and small, nodding pink flowers.

Are members of the Adlumia plant genus fragrant?

No, Adlumia plants are not known to be fragrant. They are appreciated for their ornamental foliage and flowers.

What is the perfect location to grow Adlumia?

Adlumia fungosa prefers part shade to full shade and moist, well-drained soil. It is native to woodlands and is tolerant of cooler climates.

Is Adlumia invasive in the USA, if so in which states?

No, Adlumia fungosa is native to North America and thus not considered invasive.

How do I remove Adlumia plants from my garden?

Adlumia plants can be removed manually by pulling them out from the ground. Ensure you remove the entire root system to prevent regrowth.

Summary

The Adlumia genus, also known as climbing fumitory or Allegheny vine, is a biennial vine in the Papaveraceae family. It comprises only one species, Adlumia fungosa, native to North America. The plant features delicate, fern-like foliage and produces clusters of small, tubular, pale pink to white flowers in summer.

Adlumia plants thrive in partial shade and require moist, well-drained soil. They are perfect for woodland gardens or for growing on a trellis or along a fence. As biennials, they complete their life cycle in two years, growing in the first year and flowering, fruiting, and dying in the second. The plants self-seed readily to ensure future generations.