Species Orchid, Blunt Leafed Rein Orchis, Blunt Leafed Platanthera

Platantheraobtusata

Family
Orchidaceae (or-kid-AY-see-ee)
Genus
Platanthera (pla-TAN-ther-uh)
Species
obtusata (ob-tew-SAY-tuh)
Synonym
Habenaria obtusata
Lysiella obtusata
Orchis obtusata
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Partial to Full Shade
Foliage
Herbaceous
Smooth
Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
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)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
Bloom Color
Pale Green
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Perennials
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
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
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

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Gardener's Notes:

0
positive
1
neutral
0
negative
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St. John's, NL (Zone 5b) | January 2005 | neutral

This is a rather non-descript green orchid that inhabits cool, moist woods, especially coniferous forests, but may also grow in open, moi...Read More

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