Cal-Sweet Watermelon
Cal-Sweet Watermelon
Made and shipped by MIgardener
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Cal-Sweet is one of the most popular commercial watermelon varieties in the U.S., known for consistent sweetness and a uniform shape. Bred in California in the 1980s, it set the standard for modern watermelon production with bright red, crisp flesh and strong disease resistance, giving backyard growers supermarket-quality melons at home.
At a glance
- Variety: Cal-Sweet Watermelon
- Type: Open-pollinated, non-GMO
- Origin: California, 1980s
- Flesh: Bright red and crisp
- Disease resistance: Strong
- Yield: 2 to 3 fruits per plant
- Sun: Full sun
Best for
- Fresh summer snacking
- Backyard growers wanting reliable melons
- Fruit salads
- Larger garden plots
- Consistent, sweet harvests
How to grow
Sow in full sun after the soil warms, giving the vines plenty of room to spread. Keep soil consistently moist as the fruit sizes up, then ease off water near harvest to concentrate sweetness. Strong disease resistance makes this an easygoing choice.
Flavor profile
Sweet, crisp, and juicy with the dependable flavor that made Cal-Sweet a commercial favorite.
About MIgardener
MIgardener is a Michigan-based family seed company offering affordable heirloom and non-GMO seeds, with a mission to make home gardening accessible to everyone.

- Packed and shipped by the maker, never a warehouse
- Mix any makers in one cart, one checkout, no account
- Perishables go out Monday to Wednesday in insulated packaging
Product facts
- Made by
- MIgardener
- Maker based in
- St. Clair, Michigan
- Size
- Price per unit