Linnaea Species, Twin Flower, Twinflower

Linnaeaborealis

Family
Caprifoliaceae (cap-ree-foh-lee-AY-see-ee)
Genus
Linnaea (LIN-ee-uh)
Species
borealis (bor-ee-AL-is)
Synonym
Sun Exposure
Full Shade
Foliage
Grown for foliage
Smooth
Height
under 6 in. (15 cm)
Spacing
3-6 in. (7-15 cm)
Hardiness
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)
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)
Bloom Color
Pink
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Groundcovers
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
By simple layering
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

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

Anchorage, Alaska

Saint Helen, Michigan

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Gardener's Notes:

4
positives
2
neutrals
0
negative
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C
ROSLINDALE, MA | December 2014 | positive

A modest evergreen plant, but lovely on close inspection. The flowers give off a honeysuckle fragrance in the evening.

It ...Read More

E
Minneapolis, MN | July 2011 | positive

I bought twinflower this spring from Gardens of Rice Creek, a small specimen of a clone that's supposed to do well this far south. It isn...Read More

W
Columbia, MD | October 2010 | neutral

Just bought this plant from Munchkin Nursery. Endangered/Extirpated in my state. :(

P
Cedar Rapids, IA (Zone 5a) | April 2009 | positive

Please, someone tell me where I can buy this!!!!!!!

A
Calgary, AB (Zone 3b) | November 2008 | positive

This species has a circumpolar distribution. In North America, it occurs from Alaska, the Yukon, Mackenzie District through to Hudson's ...Read More

P
Bridgman, MI (Zone 5a) | April 2002 | neutral

This plant was named in tribute to Carl Linnaeus, born in Sweden, who is credited for giving us the scientific names of plants. There is ...Read More

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