This product does not ship to: Idaho
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Sweet Caroline Upside™ Key Lime Sweet Potato Vine

Proven Winners

Availability : In Stock
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This product does not ship to: Idaho
  • Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight)
  • Mature Height 3 - 6 Feet
  • Mature Spread 18 - 36 Inches
  • Growing Zones 10-11
  • Use As A Filler Or Thriller In Containers

Sweet Potato Vine has come to be known as the dramatic spiller that instantly dresses up just about any hanging basket or container of hot season annuals. The intense acid lime green of Sweet Carolina Upside™ Key Lime is no exception. This is one Sweet Potato Vine that prefers to climb instead of spill and will reach great heights.

Plant this vigorous climber as the thriller on a short trellis and watch it scramble to the top in no time. Sweet Caroline Upside™ also has a faint edging of red that could be used to highlight contrasting plants such as Calibrachoa and Lantana. Although this is a relative of the edible sweet potato, Sweet Caroline does not produce a sizable edible tuber. If grown from year to year in USDA zones 10-11, where it is perennial, a small tuber will eventually develop that is tasteless and of no nutritional value.

Sweet Caroline Upside™ Key Lime Sweet Potato Vine Care

Plant Sweet Potato vine in full sun on a partially shaded deck or patio after nighttime temperatures reach 55 degrees F. Ensure containers have excellent drainage and are heavy enough to counteract this plant's large amount of top growth. Use a soil-based all-purpose potting mix. Fertilize the container every two weeks with a diluted liquid fertilizer such as seaweed feed or fish emulsion from the early summer to the first frost. 

Sweet Potato Vines can be grown as houseplants in the winter months if you garden in colder growing areas. Ensure the plant is brought indoors when nighttime temperatures fall to 55 degrees F. Direct sunlight and high humidity will keep the plant thriving until the following spring. If you do not have a bright enough window for Sweet Potato Vine, artificial grow lights can be used for at least 8 hours daily. Repot overwintered plants to encourage new vigorous growth.

Sweet Caroline Upside™ Key Lime Sweet Potato Vine Spacing

Sweet Caroline can become quite large in one season and will need a support to climb. The mature height is 6 feet with a spread of 3 feet. Plant it alone as a thriller in a mixed container with at least a 16-inch diameter.

Sweet Caroline Upside™ Key Lime Sweet Potato Vine Information

USDA Hardiness Zones: 10-11
Plant Type: Annual
Light Exposure: Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight)
Mature Height: 3 - 6 Feet
Mature Spread: 18 - 36 Inches
Spacing: 18 - 24 Inches
Habit: Climbing
Flower Color(s): None
Flower Description: Grown for Foliage
Bloom Period:
Foliage Type: Herbaceous
Foliage Color(s): Green
Foliage Description: Chartreuse
Seasonal Interest: Spring Flowering, Summer Flowering
Watering: Average
Resists: N/A
Tolerates: Heat
Attracts: N/A
Container Role: Filler
Uses: Containers, Groundcovers, Mass Planting, Specimen or Focal Point
Features: Deadheading Not Necessary, Foliage Interest, Low Maintenance
Brand: Proven Winners
Common Name: Sweet Caroline Upside™ Key Lime Sweet Potato Vine
Other Name(s):
Scientific Name: Ipomoea batatas

Container Sizes

Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on; type of plant, time of year, last pruning & many other factors.

4.5 Pot

4.5" Pot
 Also Known As:
   4.5" Container

 Plant Age:
   ~ 6 months
 Plant Size:
   ~ 3"-6"
 Pot Size:
   ~ 4.5"H x 3.75"W
   1.42 quarts

Quart Pot

Quart Pot
 Also Known As:

 Plant Age:
   ~ 6 months - 1 year
 Plant Size:
   ~ 4"-8"
 Pot Size:
   ~ 4.75"H x 4.5"W
   1.50 quarts

2.5 Quart

2.5 Quart
 Also Known As:
   2.5 Quart Pot

 Plant Age:
   ~ 1 - 2 years old
 Plant Size:
   ~ 8"-12"
 Pot Size:
   ~ 6.5"H x 6.5"W
   2.20-2.30 quarts

#1 Pot

#1 Pot
 Also Known As:
   #1 Container
    1 Gallon
 Plant Age:
   ~ 1 - 2 years old
 Plant Size:
   ~ 10"-14"
 Pot Size:
   ~ 7"H x 7.75"W
   2.26-3.73 quarts

#2 Pot

#2 Pot
 Also Known As:
   #2 Container
    2 Gallon
 Plant Age:
   ~ 1.5 - 3 years old
 Plant Size:
   ~ 12"-18"
 Pot Size:
   ~ 9.5"H x 9.5"W
   1.19-1.76 gallons

#3 Pot

#3 Pot
 Also Known As:
   #3 Container
    3 Gallon
 Plant Age:
   ~ 2 - 4 years old
 Plant Size:
   ~ 12"-30"
 Pot Size:
   ~9.5"H x 11"W
   2.32-2.76 gallons

For more detailed information, please click here.

Plant Addicts Guarantee (Included On All Plant Orders)

Plant Addicts always guarantees your plant(s) will arrive happy & healthy. However, plant(s) are being shipped through the mail & sometimes accidents happen. If the plant is dead, has dried out roots or the incorrect item was shipped, just notify Plant Addicts within 3 days upon delivery. We may ask for pictures but will try to make it as easy as possible for you. Please note, plant(s) with damaged branches or wilted leaves will not qualify for this guarantee. Plants are very resilient and will rebound quickly when cared for correctly. 

For more information on how to care for your new plants, please click on our guide below.

Guide: How to Care for Your New Plant(s)

Plant Addicts Warranty - 1 Year (Extra Purchase Required)

We encourage all plant lovers to purchase the Plant Addicts Warranty, whether you're a new gardener or an expert. There are many variables outside of anyone's control that can cause a plant to die. Hungry animals, drought, poor soil conditions, over watering, diseases & pests are all good examples of what can cause plants to die. The Plant Addicts Warranty is a 1 year warranty protecting you from all of the unknowns and will replace your plant if something were to happen to it.

The warranty is purchased on a per plant basis and must be purchased at the same time as the plant(s). We will cover 100% of the price of the plant, but the warranty does not cover shipping costs. SImply let us know if your plant has died within 1 year of receiving it and we will get you a new one shipped out as soon as possible (depending on the time of the year and availability). We may ask for photos for documentation purposes, but we try to make the process as easy as possible.

For more information, please click on our page below.

Guarantee and Warranty

Plant Shipping

Below are some factors we consider when determining when to ship the plants depending on the timing of the order.

Winter to Early Spring

We ship only when it's warm enough to plant in your growing zone.
Sometimes plants aren't completely ready to sell and ship in early spring. We will wait until the plants are ready before shipping so you don't get a subpar product.
For Southern plants we will be able to ship much earlier than plants coming from our northern nursery.


If there is extreme heat we may delay shipping for a week or several weeks.
We review what areas the plants are traveling through as well as your location.

Fall into Winter

We’ll ship plants out all the way up to the end of the fall planting season!


Get your order in early to reserve your plants for Spring planting!

Once your plant is shipped you’ll receive an automated email with tracking information. 

Click here for more detailed shipping information.

Planter Shipping

Standard Colors: 2-3 business days

Special Order Colors: 8 weeks - this is due to the planter being custom made with the color(s) of your choice

Please Note: On special orders there can not be any cancellations