Species Orchid,Large Round-leaved Orchid, Heal-all, Moon Set

Platantheraorbiculata

Family
Orchidaceae (or-kid-AY-see-ee)
Genus
Platanthera (pla-TAN-ther-uh)
Species
orbiculata (or-bee-kul-AY-tuh)
Synonym
Habenaria orbiculata
Lysias orbiculata
Orchis orbiculata
Platanthera menziesii
Sun Exposure
Light Shade
Partial to Full Shade
Full Shade
Foliage
Herbaceous
Smooth
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 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)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Pale Green
White/Near White
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
Non-patented
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

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

Wilkes Barre, Pennsylvania

Blacksburg, Virginia

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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 orchid is an inhabitatnt of dark, coniferous forests. Plants produce two, rounded, opposite leaves which are held on the ground. F...Read More

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