Giant Reed (Donax)

The Giant Reed (Donax) is generally described as a perennial subshrub or shrub or graminoid. This is not native to the U.S. (United States) and has its most active growth period in the spring and summer and fall . Leaves are not retained year to year. The Giant Reed (Donax) has a moderate life span relative to most other plant species and a rapid growth rate. At maturity, the typical Giant Reed (Donax) will reach up to 9 feet high, with a maximum height at 20 years of 0 inches.

The Giant Reed (Donax) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by sprigs. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below 7°F. has low tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Rapid
General Type Subshrub, Shrub, Graminoid
Growth Period Spring, Summer, Fall
Growth Duration Perennial
Lifespan Moderate
Plant Nativity Introduced to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Late Spring
Displays Fall Colors No
Shape/Growth Form Rhizomatous
Drought Tolerance Low
Shade Tolerance Intermediate
Height When Mature 9
Vegetative Spread Rapid
Flower Conspicuousness No
Seed Spread Rate None
Gardening Characteristics
Propagations (Ways to Grow) Sprigs
Moisture Requirements High
Cold Stratification Required No
Minimum Temperature 7
Soil Depth for Roots 24
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Regrowth Rate Rapid
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 4.8–7 pH
Precipitation Range 35–35 inches/yr
Planting Density 3800–7200 indiv./acre
Soil Textures Fine, Medium
Soil Depth for Roots 24
Minimum Frost-Free Days 220 day(s)
Salinity Tolerance None
CaCO3 Tolerance Low
Sustainability & Use
Leaf Retention No
Palatability Low
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