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A picture of a Toothwort

Toothwort

Lathraea spp.

Lathraea clandestina RHu 02 by Meneerke bloem (CC BY-SA 3.0)

Full Shade
Moderate watering
Frost Hardy

8a

USDA zone

-12°C

Minimum temperature

Expected size

Height
Spread

70cm

Max

40cm

10cm

Min

10cm

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Toothwort

A photo of Toothwort
A photo of Toothwort
A photo of Toothwort
A photo of Toothwort

Toothwort Overview

Lathraea is a genus containing around 5 perennial parasitic plants in the Orobanchaceae family which are commonly known by the name Toothwort. They are native to temperate regions of Europe and Asia. They grow on the roots of trees and completely lacking chlorophyll, they do not produce true leaves. For example, Lathraea clandestina, which is commonly known as Purple Toothwort, is cultivated for the upright purple or pink flowers. Capable of parasitising a variety of garden ornamental trees and shrubs including species in the genera Acer, Alnus, Buxus, Carpinus, Corylus, Juglans, Metasequoia, Rhododendron, Taxus and Gunnera.

How to propagate Toothwort

Seed

Seed when fresh in late summer.

Special features of Toothwort

Attractive flowers