Rattlesnake Fern (Virginianum)

The Rattlesnake Fern (Virginianum) is generally described as a perennial forb/herb. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The greatest bloom is usually observed in the late spring, with fruit and seed production starting in the summer and continuing until summer. Leaves are not retained year to year. The Rattlesnake Fern (Virginianum) has a moderate life span relative to most other plant species and a moderate growth rate. At maturity, the typical Rattlesnake Fern (Virginianum) will reach up to 1.4 foot high, with a maximum height at 20 years of 0 inches.

The Rattlesnake Fern (Virginianum) is not commonly available from nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, sprigs. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -38°F. has low tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Moderate
General Type Forb/herb
Growth Period Spring, Summer
Growth Duration Perennial
Lifespan Moderate
Plant Nativity Native to U.S.
Commercial Availability No Known Source
Physical Characteristics
Bloom Period Late Spring
Displays Fall Colors No
Shape/Growth Form Rhizomatous
Drought Tolerance Low
Shade Tolerance Tolerant
Height When Mature 1.4
Vegetative Spread Slow
Flower Conspicuousness No
Fruit/Seed Seasonality Summer Summer
Seed Spread Rate None
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Sprigs
Moisture Requirements Medium
Cold Stratification Required No
Minimum Temperature -38
Soil Depth for Roots 10
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Regrowth Rate None
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 5.6–6.9 pH
Precipitation Range 14–14 inches/yr
Planting Density 1700–4800 indiv./acre
Soil Textures Medium
Soil Depth for Roots 10
Minimum Frost-Free Days 85 day(s)
Salinity Tolerance None
CaCO3 Tolerance Low
Sustainability & Use
Leaf Retention No
Fire Resistant No

Source: USDA, NRCS, PLANTS Database, plants.usda.gov.
National Plant Data Center, Baton Rouge, LA 70874-4490 USA