How to Grow Carolina Jessamine

Gelsemium sempervirens · Zones Data not available

Carolina Jessamine is a tree, a long-term addition to the landscape. Notably, it shrugs off deer and grows just as well in a container as in the ground. Its summer flowers are a moderate draw for honeybees and native bees.

Zones

Data not available

pH Range

5.5-7.5

Sun

Full Sun

Days to Maturity

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USDA PLANTS DatabaseUSDA PHZM 2023ASPCA

What Carolina Jessamine is

Carolina Jessamine grows as a perennial and reaches around 20 feet at maturity. It blooms yellow in summer. It's also deer-resistant and well suited to containers.

How to grow Carolina Jessamine

Carolina Jessamine does best in full sun — at least 6 hours of direct sun a day — and soil from pH 5.5 to 7.5, on well-drained ground. It needs around 800 growing degree days to mature and a growing season of at least 200 frost-free days, which is why climate matters as much as soil.

USDA Zones

Data not available

USDA PHZM 2023

Soil pH

5.5 - 7.5

USDA PLANTS Database

Sun

Full Sun

plant_species_v5.csv

Drainage

well (dry spells)

plant_species_v5.csv

GDD Required

800+

plant_species_v5.csv

Mature Height

20 ft

plant_species_v5.csv

Frost-Free Days

200+

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  1. Plant it right

    Set carolina jessamine in full sun with well-drained soil. Many fruit trees need a second variety nearby to pollinate — check before you plant just one.

  2. Match the soil

    Carolina Jessamine prefers pH 5.5 to 7.5 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.

  3. Water steadily

    Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.

  4. Be patient, then harvest

    Prune annually while the tree establishes; fruit trees reward patience with years of harvest. Local Extension guides publish per-cultivar bearing-age tables.

Good to know

One caution for pet owners — carolina jessamine is toxic to dogs and cats (severe severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)

Carolina Jessamine offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)

Where Carolina Jessamine thrives

Whether carolina jessamine thrives on a given site comes down to its soil pH, drainage, sun, and frost dates — the conditions that vary parcel to parcel.

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See if Carolina Jessamine will thrive on your land

Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether carolina jessamine actually takes — we score it against the real conditions at your address.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

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Frequently Asked Questions

Can I grow Carolina Jessamine in my zone?

Zone data for carolina jessamine is being finalized. A Growable Ground report checks your parcel's full suitability against federal soil, climate, and zone data.

When should you plant Carolina Jessamine?

Set carolina jessamine out in early spring or fall while it's dormant, so the roots establish before the heat of summer. Your local last-frost date — which a Growable Ground report pulls for your exact address — sets the precise window.

How much sun does Carolina Jessamine need?

Carolina Jessamine needs full sun — a spot that catches at least 6 hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.

What soil does Carolina Jessamine need?

Carolina Jessamine prefers soil pH 5.5 to 7.5, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.

Does Carolina Jessamine attract pollinators?

Yes — carolina jessamine's flowers are a solid nectar source for honeybees and native bees (Xerces Society, Pollinator Partnership).

Is Carolina Jessamine safe for pets?

Carolina Jessamine is toxic to pets (dogs,cats) with severe severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency.