Trumpet Honeysuckle (Sempervirens)

The Trumpet Honeysuckle (Sempervirens) is generally described as a perennial vine. This is native to the U.S. (United States) has its most active growth period in the spring . The Trumpet Honeysuckle (Sempervirens) 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 late summer, with fruit and seed production starting in the summer and continuing until fall. Leaves are retained year to year. The Trumpet Honeysuckle (Sempervirens) has a long life span relative to most other plant species and a rapid growth rate. At maturity, the typical Trumpet Honeysuckle (Sempervirens) will reach up to 16.4 feet high, with a maximum height at 20 years of 16 feet.

The Trumpet Honeysuckle (Sempervirens) 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 medium vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -33°F. has low tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Rapid
General Type Vine
Growth Period Spring
Growth Duration Perennial
Lifespan Long
Plant Nativity Native to U.S.
Commercial Availability No Known Source
Physical Characteristics
Bloom Period Late Summer
Displays Fall Colors No
Shape/Growth Form Multiple Stem
Drought Tolerance Low
Shade Tolerance Tolerant
Height When Mature 16.4
Vegetative Spread Slow
Flower Color Red
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Summer Fall
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Seed
Moisture Requirements Medium
Cold Stratification Required Yes
Minimum Temperature -33
Soil Depth for Roots 10
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability Yes
Responds to Coppicing No
Growth Requirements
pH Range 6–8.5 pH
Precipitation Range 22–22 inches/yr
Planting Density 1746–10912 indiv./acre
Soil Textures Fine, Medium
Soil Depth for Roots 10
Minimum Frost-Free Days 140 day(s)
Salinity Tolerance None
CaCO3 Tolerance Medium
Sustainability & Use
Leaf Retention Yes
Palatability Medium
Fire Resistant No
Causes Livestock Bloating None

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