Spotted Ladysthumb (Persicaria)

The Spotted Ladysthumb (Persicaria) is generally described as a perennial forb/herb. This is not native to the U.S. (United States) and has its most active growth period in the spring . The Spotted Ladysthumb (Persicaria) has green foliage and inconspicuous red flowers, with a moderate amount of conspicuous black fruits or seeds. The greatest bloom is usually observed in the spring, with fruit and seed production starting in the spring and continuing until fall. Leaves are not retained year to year. The Spotted Ladysthumb (Persicaria) has a short life span relative to most other plant species and a rapid growth rate. At maturity, the typical Spotted Ladysthumb (Persicaria) will reach up to 3.2 feet high, with a maximum height at 20 years of 0 inches.

The Spotted Ladysthumb (Persicaria) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by seed. It has a rapid ability to spread through seed production and the seedlings have medium vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below 32°F. has medium tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Rapid
General Type Forb/herb
Growth Period Spring
Growth Duration Annual, Perennial
Lifespan Short
Plant Nativity Probably Introduced to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Spring
Displays Fall Colors No
Shape/Growth Form Single Crown
Drought Tolerance Medium
Shade Tolerance Intolerant
Height When Mature 3.2
Vegetative Spread None
Flower Color Red
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Spring Fall
Seed Spread Rate Rapid
Gardening Characteristics
Propagations (Ways to Grow) Seed
Moisture Requirements Medium
Cold Stratification Required No
Minimum Temperature 32
Soil Depth for Roots 14
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Regrowth Rate Slow
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 4–8.5 pH
Precipitation Range 14–14 inches/yr
Planting Density 0–0 indiv./acre
Soil Textures Coarse, Fine, Medium
Soil Depth for Roots 14
Minimum Frost-Free Days 110 day(s)
Salinity Tolerance Low
CaCO3 Tolerance Medium
Sustainability & Use
Leaf Retention No
Fire Resistant No
Causes Livestock Bloating None

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