Species Orchid, Hooded Ladies' Tresses, Romanozoff's Ladies Tresses, Romanoff's Spiranthes
Spiranthesromanzoffiana

Synonym:Gyrostachys gemmipara

Synonym:Gyrostachys romanzoffiana

Synonym:Gyrostachys stricta

Synonym:Spiranthes gemmipara

Synonym:Spiranthes stricta

Category
Perennials

Water Requirements
Very high moisture needs; suitable for bogs and water gardens

Sun Exposure
Light Shade

Foliage
Herbaceous

Foliage Color

Height
6-12 in. (15-30 cm)

Spacing
6-9 in. (15-22 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)

Where to Grow

Danger

Bloom Color
Pale Green
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall

Other details

Soil pH requirements
4.6 to 5.0 (highly acidic)
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