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PlantFiles: Slender Ladies' Tresses
Spiranthes lacera

 
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Family: Orchidaceae (or-kid-AY-see-ee) (Info)
Genus: Spiranthes (spy-RAN-theez) (Info)
Species: lacera (LASS-er-a) (Info)

Synonym:Spiranthes gracillis

5 members have or want this plant for trade.

Category:
Perennials

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

Spacing:
9-12 in. (22-30 cm)

Hardiness:
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Danger:
Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous
Smooth-Textured

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater
This plant may be considered a protected species; check before digging or gathering seeds

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:
Unknown - Tell us

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

Click thumbnail
to view:

By creekwalker
Thumbnail #1 of Spiranthes lacera by creekwalker

By creekwalker
Thumbnail #2 of Spiranthes lacera by creekwalker

By creekwalker
Thumbnail #3 of Spiranthes lacera by creekwalker

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive creekwalker On Sep 2, 2008, creekwalker from Benton County, MO (Zone 5a) wrote:

This plant grows wild here in the Ozarks. It differs from a similar species, Spiranthes tuberosa, the latter being under 10 inches tall, having more irregular spirals and no green spot on the lower lip of the flower.

It differs from Spiranthes cernua by the flowers being only about 1/4 inch long where the latter has larger flowers, up to 1/2 inch long, the mouth of the flower sometimes being yellow and also having a vanilla scent, where I believe that Spiranthes Lacera does not.

By the time it flowers, the basal leaves are gone.

Regional...

This plant has been said to grow in the following regions:

Silver Spring, Maryland
Cole Camp, Missouri



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