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PlantFiles: Species Orchid, Common Twayblade, Egg-Shaped Leaf Neottia
Listera ovata

Family: Orchidaceae (or-kid-AY-see-ee) (Info)
Genus: Listera (LISS-ter-uh) (Info)
Species: ovata (oh-VAY-tuh) (Info)

Synonym:Distomaea ovata
Synonym:Epipactis ovata
Synonym:Helleborine ovata
Synonym:Malaxis ovata
Synonym:Ophrys ovata


12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

9-12 in. (22-30 cm)

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)

Sun Exposure:
Sun to Partial Shade
Light Shade
Partial to Full Shade

Unknown - Tell us

Bloom Color:

Bloom Time:
Late Spring/Early Summer
Mid Summer


Other details:
Requires consistently moist soil; do not let dry out between waterings
This plant may be considered a protected species; check before digging or gathering seeds

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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to view:

By nuljin
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No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral Todd_Boland On Jan 16, 2005, Todd_Boland from St. John's, NL (Zone 5b) wrote:

This species is primarily European, but does occur in a couple of areas in Ontario around the Bruce Peninsula. They were more than likely accidentally introduced there, but so far, do not seem to be spreading (unlike Epipactis helleborine, another introduced European orchid which is taking over!). This species grows in deciduous woodlands. It is considered rare.

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