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Gelsemium Sempervirens

Botanical Name:

Gelsemium sempervirens

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How to Grow
Water
Medium
Water moderately, allowing the top 3cm to dry out between watering.
Sunlight
Partial Shade - Partial Sun - Full Sun
~
3-6 hours of sun per day, with protection from intense mid-day sun
Soil
Moist, well-drained, humus-rich soil. pH adaptable. Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay.
Heat Tolerant
yes
Cold Tolerant
yes
Characteristics

Bloom Time

Mar, Apr, May, Dec

Plant Type

Climbers, Ground Cover, Native Plant, Poisonous, Vine

Lifespan

Perennial, Woody

Plant Height

12-36 ft.

Flower

Bright, fragrant, funnel-shaped, yellow flowers (to 1.5” long) that appear either solitary or in clusters (cymes) in late winter to early spring (March-May depending on location). Its flowers often serve as a demonstrative signal that winter is coming to an end. in axillary dichasia/cymes, or flower solitary. Bright yellow, commonly 1-3, zygomorphic; sepals obtuse, shedding before fruit; corolla funnelform with 5 short, overlapping lobes, orange within, to 1" long x 1" broad., Flowers 1 to 1.5 inches long, Usually blooms briefly in early spring, but can start as early as December and then bloom again briefly in early fall.

Fruit

Thin, flattened capsule fruit. A dry, Brown, laterally compressed or flattened capsule, dehiscent, persistent, ca 1" long. Displays from September to November.

Benefits
Ornamental

An aromatic, showy evergreen vine with ornamental blooms and glossy leaves. Can trail along the ground to form a carpet, climb to create a screen, cover walls, columns, and arbors, and twine on fences & other plants.

Attracts

Butterflies

Hummingbirds

Warning

The flowers, leaves, and roots are poisonous and are toxic or lethal to humans and livestock if consumed. This species flowers produce nectar that is toxic to honeybees if consumed in sufficient quantities and honey produced from its nectar may be toxic to humans. This species sap can cause contact dermatitis in some people.

Taxonomy

Order

Gentianales

Family

Gelsemiaceae

Genus

Gelsemium

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