| Scientific Name: |
Spiranthes cernua |
| Common Name: |
Nodding Ladies Tress |
| Other Common Names: |
Nodding Ladies' Tresses |
| Duration of Life: |
Perennial |
| Bloom Color: |
White, Purple |
| Soil Moisture: |
Wet, Mesic, Dry |
| Plant Origin: |
Native |
| Soil Type prefered: |
Loam, Clay |
| Drought Tolerance: |
None |
| Flower Conspicuous: |
Yes |
| Soil Fertility Requirement: |
Medium |
| Moisture Use: |
High |
| Shade Tolerance: |
Intolerant |
| Active Growth Period: |
Spring, Summer |
| Anaerobic Tolerance: |
High |
| Calcium Carbonate Tolerance: |
Low |
| Bloom Period: |
Late Summer |
| Commercial Availability: |
Routinely Available |
| Competitivness: |
Sensitive |
| Cold Stratification Required: |
No |
| Fall Conspicuous: |
No |
| Frost Free Days, Minimum: |
90 |
| Foliage Color: |
Green |
| Fruit/Seed Abundance: |
Medium |
| Fruit/Seed Period Begin: |
Spring |
| Fruit/Seed Conspicuous: |
No |
| Fruit/Seed Period End: |
Fall |
| Fruit/Seed Color: |
Brown |
| Fruit/Seed Persistence: |
No |
| Fire Tolerance: |
Medium |
| Foliage Texture: |
Fine |
| Growth Form: |
Single Crown |
| Growth Habit: |
Forb/herb |
| Growth Rate: |
Moderate |
| Height, Mature (feet): |
1.5 |
| Leaf Retention: |
No |
| Low Growing Grass: |
No |
| Life Span: |
Short |
| Max. Planting Density/Acre: |
10000 |
| Min. Planting Density/Acre: |
2700 |
| pH (Maximum): |
6.5 |
| pH (Minimum): |
4.5 |
| Precipitation (Minimum): |
24 |
| Protein Potential: |
Low |
| Resprout Ability: |
No |
| Root Depth, Min. (inches): |
8 |
| Salt Tolerance: |
None |
| Shape and Orientation: |
Erect |
| Flowering Months: |
August, September |
| Small Grain: |
No |
| Seed Spread Rate: |
Slow |
| Minnesota Status: |
Rare |
| Seedling Vigor: |
Low |
| Temperature, Minimum (F): |
-38 |
| Toxicity: |
None |
| Vegetative Spread Rate: |
None |
| Found in Old fields: |
No |
| Found in Virgin fields: |
Yes |
| Propagation: |
Seed, Tubers |
| Category: |
Monocot |
| Division: |
Magnoliophyta |
| Class: |
Liliopsida |
| Order: |
Orchidales |
| Family: |
Orchidaceae |
| Genus: |
Spiranthes |
