Tropical Sunshine Watermelon is an F1 yellow triploid watermelon that reaches harvest in 80 days from transplants, delivering the kind of dependable sweetness that makes summer worthwhile. This bush-type variety thrives in warm soil with consistent moisture during fruit set, then tightens up at the finish line to develop the concentrated flavor that sets it apart. Plant it 72 inches apart in rows spaced 6 to 8 feet apart, and you'll have ripe melons ready for the table in early to mid-summer.
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Moderate
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The yellow flesh and triploid genetics tell you this is a melon bred for serious flavor depth, not just appearance. Starting from seed indoors in late April and transplanting out once frost danger has completely passed gives you a jump on the season, especially in cooler regions where plastic mulch and row covers will speed maturity and boost yields. The real payoff comes in the final week before harvest when you dial back watering deliberately, concentrating the sugars into fruit that tastes nothing like the watered-down versions you find in supermarkets.
Fresh eating straight from the field, chilled and sliced on hot summer days. The yellow flesh and high sugar content from triploid genetics make it especially rewarding eaten at peak ripeness, either plain or with a light squeeze of lime.
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Sow seeds indoors in 50-cell plug trays or 2 to 3-inch peat pots in late April, which is roughly one month before your last frost date and your outdoor transplanting window. Plant 2 seeds per cell or pot, pressing them about 1/2 to 1 inch deep. Keep the seed flat at 80 to 90 degrees Fahrenheit until germination occurs. Once seedlings emerge, grow them at 75 degrees Fahrenheit in bright light. A week before transplanting, reduce both water and temperature to harden off the young plants and prepare them for outdoor conditions.
Transplant outdoors only when weather is frost-free, warm, and settled. Space plants 2 to 3 feet apart in rows 6 to 8 feet apart. Handle young plants carefully throughout transplanting and never allow the soil to dry out during the transition.
Harvest when fruit reaches full maturity at 80 days from transplanting. The melon should feel heavy for its size, have a creamy yellow or pale spot on the underside where it rested on the soil, and produce a hollow sound when thumped. Cut the melon from the vine with a sharp knife rather than twisting it off.
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