Northern Wild Comfrey

Cynoglossumvirginianum var. boreale

Genus
Cynoglossum (SIGH-no-gloss-um)
Synonym
Cynoglossum boreale
Sun Exposure
Sun to Partial Shade
Light Shade
Partial to Full Shade
Foliage
Herbaceous
Succulent
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Hardiness
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Bloom Color
Fuchsia (red-purple)
Lavender
Bloom Time
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
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
Direct sow as soon as the ground can be worked
From seed; sow indoors before last frost
Seed Collecting
Regional

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

Halifax, Massachusetts

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Gardener's Notes:

0
positive
0
neutral
0
negative
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