Oahu Riverhemp (Tomentosa)

The Oahu Riverhemp (Tomentosa) is generally described as a perennial shrub. This is native to the U.S. (United States) has its most active growth period in the year round . The Oahu Riverhemp (Tomentosa) has green foliage and inconspicuous red flowers, with a moderate amount of conspicuous brown fruits or seeds. The greatest bloom is usually observed in the indeterminate, with fruit and seed production starting in the year round and continuing until year round. Leaves are retained year to year. The Oahu Riverhemp (Tomentosa) has a moderate life span relative to most other plant species and a moderate growth rate. At maturity, the typical Oahu Riverhemp (Tomentosa) will reach up to 2 feet high, with a maximum height at 20 years of 2 feet.

The Oahu Riverhemp (Tomentosa) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container. It has a slow 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 50°F. has high tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Moderate
General Type Shrub
Growth Period Year Round
Growth Duration Perennial
Lifespan Moderate
Plant Nativity Native to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Indeterminate
Displays Fall Colors No
Shape/Growth Form Single Stem
Drought Tolerance High
Shade Tolerance Intermediate
Height When Mature 2
Vegetative Spread None
Flower Color Red
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Year Round Year Round
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container
Moisture Requirements Medium
Cold Stratification Required No
Minimum Temperature 50
Soil Depth for Roots 18
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability Yes
Responds to Coppicing No
Growth Requirements
pH Range 6–8 pH
Precipitation Range 20–20 inches/yr
Planting Density 400–1600 indiv./acre
Soil Textures Coarse, Medium
Soil Depth for Roots 18
Minimum Frost-Free Days 365 day(s)
Salinity Tolerance High
CaCO3 Tolerance High
Sustainability & Use
Leaf Retention Yes
Fire Resistant No
Causes Livestock Bloating None

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