Species, Natural Hybrid Orchid, Spring Ladies' Tresses, Twisted Ladies' Tresses, Spring-Blooming Spi

Spiranthesvernalis

Family
Orchidaceae (or-kid-AY-see-ee)
Genus
Spiranthes (spy-RAN-theez)
Species
vernalis (ver-NAH-liss)
Synonym
Gyrostachys ensifolia
Gyrostachys linearis
Gyrostachys praecox
Spiranthes ensifolia
Spiranthes reverchonii
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Smooth
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
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)
Bloom Color
White/Near White
Bloom Time
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
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
Bloom Size
Other details
Soil pH requirements
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:

Ashdown, Arkansas

Palmetto, Florida

Saint Petersburg, Florida

Claremont, New Hampshire

Bluffton, South Carolina

Livingston, Texas

Santa Fe, Texas

South Padre Island, Texas

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Gardener's Notes:

1
positive
0
neutral
0
negative
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B
Rancho Santa Rita, TX (Zone 8a) | June 2010 | positive

This is the only native orchid indigenous to South Texas. It is commonly visible in the barrier island areas and beaches of the Gulf coas...Read More

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