Lathyrus odoratus ‘Watermelon’ is a fragrant sweet pea vine with fresh, rosy watermelon-colored blooms that bring soft romance and springtime perfume to the garden. Its ruffled flowers are beautiful on the plant and even better in bouquets, where their scent and color feel wonderfully old-fashioned.

Also known as Watermelon Sweet Pea, this annual climbing vine is perfect for trellises, fences, obelisks, arbors, cutting gardens, and cottage garden plantings. Give it sturdy support and let the twining stems climb, bloom, and create a vertical curtain of fragrant flowers. The warm pink tones pair beautifully with cream, lavender, apricot, navy, burgundy, and other heirloom sweet peas.

Plant Lathyrus odoratus ‘Watermelon’ in full sun to light afternoon shade with rich, well-drained soil and regular water. Cut flowers often and remove seed pods to encourage a longer bloom season. Sweet, graceful, and bouquet-worthy, this fragrant sweet pea is a spring garden treasure. Explore more climbing favorites in our Lathyrus - Sweet Pea collection.

We guarantee that the plants we sell are healthy and viable at the time they leave our care.

If a plant arrives in substandard condition, please take clear photographs and contact us within 48 hours of delivery. To ensure eligibility under this guarantee, we strongly encourage you to open and unpack your shipment immediately upon delivery and inspect the plants thoroughly.

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$14.99 flat rate for up to 6 plants is for standard FedEx/UPS Ground shipping to eligible states only. $19.99 for up to 12 plants. Plants being shipped to the following states are sent via Express Mail to help ensure they arrive quickly and healthy. 

(AL, CT, DC, DE, FL, GA, IN, KY, ME, MD, MA, MI, NH, NJ, NY, NC, OH, PA, RI, SC, TN, VT, VA, WV)
(list of states subject to change seasonally due to extreme heat or cold conditions)

We cannot ship Annie's Annuals plants to P.O. boxes or outside the continental U.S.

Individual plants are shipped in 4" pots and we ship in boxes of 4, 6, 8, or 12 plants per box.

For more details, read our full Ordering and Shipping Policies

Get your plants off to a strong start with our care guide.

Download the Plant Care Guide (PDF)