Gelsemium Sempervirens, Carolina Yellow Jasmine, Yellow Jessamine

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Posted by John Minton | Posted in Plants | Last Updated February 23, 2014

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Gelsemium Sempervirens Flowers

Gelsemium Sempervirens, also commonly known Carolina Yellow Jasmine, is a viny false Jasmine with wonderfully beautiful and fragrant yellow flowers. Many people call Gelsemium Sempervirens a Yellow Jasmine because of it’s Jasmine shaped and fragrant flowers. Gelsemium Sempervirens is frost tolerant and has lasted outside the entire Winter season here in California, which got down to 28°F this year. As the Spring comes in, Gelsemium Sempervirens blooms are just starting to open. A couple of the vines have stretched out to nearly 10 feet, so I hang them over the fence. Gelsemium Sempervirens can grow pretty big, Gelsemium Sempervirens likes full sun, and will completely grow over and cover any trellis, fence, or climbing structure. Regular pruning is needed to keep Gelsemium Sempervirens looking nice and to prevent it from over growing once it fills in it’s habitat.

Gelsemium Sempervirens Flowers, Caroline Yellow JasmineThe fragrance of these flowers is awesome. It immediately brings you a sense of well being. Gelsemium Sempervirens is a prolific bloomer, covered in flowers, which one can smell from quite a ways away. Gelsemium Sempervirens flowers attract humming birds, bees and all kinds of other pollinators. After the flowering season (the warm months, starting in Spring) the flowers develop little seed pods that burst open and drop a bunch of helicopter type seeds. Gelsemium Sempervirens can be propagated via seeds, or layering – I prefer the layering method as seeds seam to take a long time to grow to a decent size. This plant can become invasive if unkept, or left unattended. It’s best to plant Gelsemium Sempervirens somewhere not over or next to your garden or it may spread via seed or branches touching the ground and rooting.

Gelsemium Sempervirens is poisonous, all parts, and it can be deadly. Gelsemium Sempervirens paralyzes the respiratory system and kills it’s victim essentially by suffocation. I don’t know how much it would take, best not to try and test it! Refer to ces.ncsu.edu for poison information. It makes me wonder if honey made solely from Gelsemium Sempervirens flowers would also be poisonous.

Gelsemium Sempervirens Flowers, Caroline Yellow JasmineBeing that Gelsemium Sempervirens is poisonous, there aren’t too many uses aside from it’s beauty, aggressive vine growth habit and fragrance! Gelsemium Sempervirens grows well in most soils that have been mixed with potting soil or compost and is well drained.

Over all it’s a wonderful addition to any garden!





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