Species Orchid, Platanthera, Bog Candles, Tall White Bog Orchid, White Rein Orchid

Platantheradilatata

Family
Orchidaceae (or-kid-AY-see-ee)
Genus
Platanthera (pla-TAN-ther-uh)
Species
dilatata (dil-uh-TAY-tuh)
Synonym
Habenaria dilatata
Limnorchis dilatata
Piperia dilatata
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Herbaceous
Smooth
Height
24-36 in. (60-90 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
White/Near White
Bloom Time
Mid Summer
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
Flowers are fragrant
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)
7.6 to 7.8 (mildly alkaline)
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:

1
positive
0
neutral
0
negative
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St. John's, NL (Zone 5b) | December 2004 | positive

This is one of Newfoundland's most common orchids, growing in fens, marshes, damp woodlands, damp roadsides...pretty much any wet depress...Read More

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