Species Orchid, Bog Rose, Dragon's Mouth, Swamp Pink, Wild Pink, Arethusa

Arethusabulbosa

Family
Orchidaceae (or-kid-AY-see-ee)
Genus
Arethusa (ar-e-thew-sa)
Species
bulbosa (bul-BOH-suh)
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
Velvet/Fuzzy
Height
6-12 in. (15-30 cm)
Spacing
18-24 in. (45-60 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)
Bloom Color
Pink
Rose/Mauve
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
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)
Patent Information
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; germinate in vitro in gelatin, agar or other medium
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

Featured Videos

Gardener's Notes:

1
positive
2
neutrals
0
negative
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I
Westpoint, IN | October 2006 | neutral

This plant is on the endangered list in Indiana. I have a plant preserve and wildflower farm, and would like to get some Arethusa bulbosa...Read More

T
St. John's, NL (Zone 5b) | December 2004 | positive

This is one of the earliest orchids to bloom in Newfoundland, starting in late June. It is very common in all of our bogs and at times, ...Read More

S
Oklahoma City, OK (Zone 7a) | August 2002 | neutral

Arethusa is an endangered species in Connecticut.

The flowers of Arethusa offer little or no nectar reward to their poll...Read More

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