Disk Waterhyssop (Rotundifolia)

The Disk Waterhyssop (Rotundifolia) 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 and fall . The Disk Waterhyssop (Rotundifolia) has green foliage and inconspicuous white flowers, with a moderate amount of conspicuous fruits or seeds. The greatest bloom is usually observed in the fall, with fruit and seed production starting in the fall and continuing until fall. Leaves are not retained year to year. The Disk Waterhyssop (Rotundifolia) has a moderate life span relative to most other plant species and a slow growth rate.

The Disk Waterhyssop (Rotundifolia) is not commonly available from nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, seed. It has a slow ability to spread through seed production and the seedlings have low vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -33°F. has none tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Slow
General Type Forb/herb
Growth Period Spring, Summer, Fall
Growth Duration Perennial
Lifespan Moderate
Plant Nativity Native to U.S.
Commercial Availability No Known Source
Physical Characteristics
Bloom Period Fall
Displays Fall Colors No
Shape/Growth Form Stoloniferous
Drought Tolerance None
Shade Tolerance Intolerant
Height When Mature 0.1
Vegetative Spread Moderate
Flower Color White
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Fall Fall
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Seed
Moisture Requirements High
Cold Stratification Required No
Minimum Temperature -33
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 5.4–7.8 pH
Precipitation Range 24–24 inches/yr
Planting Density 2700–11000 indiv./acre
Soil Textures Fine, Medium
Minimum Frost-Free Days 120 day(s)
Salinity Tolerance None
CaCO3 Tolerance Low
Sustainability & Use
Leaf Retention No
Fire Resistant Yes
Causes Livestock Bloating None

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