Pedicularis Species, Canadian Lousewort, Forest Lousewort, Wood Betony

Pediculariscanadensis

Genus
Pedicularis (pe-dik-yoo-LAIR-is)
Species
canadensis (ka-na-DEN-sis)
Synonym
Sun Exposure
Light Shade
Partial to Full Shade
Full Shade
Foliage
Succulent
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
N/A
Bloom Color
Orange
Bright Yellow
Maroon/Burgundy
Brown/Bronze
Cream/Tan
Bloom Time
Mid Spring
Other Details
Category
Alpines and Rock Gardens
Perennials
Ponds and Aquatics
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Bay City, Michigan

Erie, Michigan

Saint Helen, Michigan

West Branch, Michigan

Cole Camp, Missouri

Glouster, Ohio

Viola, Tennessee

Shepherd, Texas

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Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
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T
Mercer, PA (Zone 5a) | October 2004 | neutral

There are a number of folk stories related to its common name, lousewort. It was supposed to breed lice, keep lice away, seeds looked lik...Read More

D
D
Corning, OH (Zone 6a) | April 2004 | positive

Wood Betony, or Lousewort, is a native perennial to my area (SE Ohio) and spreads by short horizontal rhizomes. They are semi-parasitic p...Read More

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