Wild Comfrey, Hound's Tongue

Cynoglossumvirginianum

Genus
Cynoglossum (SIGH-no-gloss-um)
Species
virginianum (vir-jin-ee-AN-um)
Synonym
Cynoglossum virginianum var. virginianum
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
Spacing
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)
Bloom Color
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
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:

Piedmont, Missouri

Guysville, Ohio

Featured Videos

Gardener's Notes:

0
positive
2
neutrals
1
negative
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I
Indianapolis, IN | May 2020 | neutral

Plant girl may have this species confused with Cynoglossum officinale (also known as houndstongue!). C. officinale is well documented to ...Read More

G
Bismarck, ND (Zone 3b) | October 2004 | negative

Hound's tongue grows wild here and it is a dangerous plant. Cattle and horses won't eat it when the summer grass is good, but when they ...Read More

C
West Kill, NY | October 2004 | neutral

Been thinking of platnting some of this over the ashes of our deceased coonhound as a memorial. Does anyone know where to order plants or seeds?

Featured
Common Blue-banded Bee
(Amegilla cingulata)
White-breasted Waterhen
(Amaurornis phoenicurus)
Featured
Common Blue-banded Bee
(Amegilla cingulata)
White-breasted Waterhen
(Amaurornis phoenicurus)