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Characteristics

Conservation Plant Characteristics

Rhododendron maximum L.
great laurel
RHMA4

Summary
Duration PR Federal T/E Status
Growth Habit TR, SH   National Wetland Indicator
Native Status L48 (N), CAN (N)      
 
Morphology/Physiology
Active Growth Period Spring and Summer   Fruit/Seed Conspicuous No
After Harvest Regrowth Rate   Growth Form Multiple Stem
Bloat None   Growth Rate Slow
C:N Ratio High   Height at Base Age, Maximum 15
Coppice Potential No   Height at Maturity 25.0
Fall Conspicuous Yes   Known Allelopath Yes
Fire Resistant Yes   Leaf Retention Yes
Flower Color Red   Lifespan Long
Flower Conspicuous Yes   Low Growing Grass No
Foliage Color Dark Green   Nitrogen Fixation None
Foliage Porosity Summer Dense   Resprout Ability Yes
Foliage Porosity Winter Dense   Shape and Orientation Semi-Erect
Foliage Texture Coarse   Toxicity Moderate
Fruit/Seed Color Brown      
 
Growth Requirements
Adapted To Coarse Textured Soils Yes   Moisture Use Medium
Adapted To Medium Textured Soils Yes   pH, Minimum 4.0
Adapted To Fine Textured Soils No   pH, Maximum 5.5
Anaerobic Tolerance Low   Planting Density Per Acre, Minimum 170
CaCO3 Tolerance None   Planting Density Per Acre, Maximum 680
Cold Stratification Required No   Precipitation, Minimum 36
Drought Tolerance High   Precipitation, Maximum 60
Fertility Requirement Low   Root Depth, Minimum 18
Fire Tolerance Medium   Salinity Tolerance None
Frost Free Days, Minimum 150   Shade Tolerance Tolerant
Hedge Tolerance Medium   Temperature, Minimum (°F) -13
 
Reproduction
Bloom Period Mid Spring   Propagated By Cuttings Yes
Commercial Availability Routinely Available   Propagated By Seed Yes
Fruit/Seed Abundance Low   Propagated By Sod No
Fruit/Seed Period Begin Spring   Propagated By Sprigs No
Fruit/Seed Period End Summer   Propagated By Tubers No
Fruit/Seed Persistence No   Seed Per Pound 5000000
Propagated By Bare Root Yes   Seed Spread Rate Slow
Propagated By Bulbs No   Seedling Vigor Low
Propagated By Container No   Small Grain No
Propagated By Corms No   Vegetative Spread Rate None
 
Suitibility/Use
Berry/Nut/Seed Product No   Palatable Browse Animal
Christmas Tree Product No   Palatable Graze Animal
Fodder Product No   Palatable Human No
Fuelwood Product   Post Product No
Lumber Product No   Protein Potential
Naval Store Product No   Pulpwood Product No
Nursery Stock Product Yes   Veneer Product No
 
 
Time Generated: 03/31/2020 05:45 AM CDT