Jubilee II Watermelon is an open-pollinated, heirloom that matures in 95 days. An improved version of Jubilee, developed by the University of Florida, for sweetness, uniform dark red color, and resistance to Fusarium Wilt Race 1. Jubilee II Watermelon provides an attractive alternative to those currently growing or marketing any other version of a Jubilee type. Black seeded. Fruit can weigh up to 30 lbs., however size can vary due to plant population.
How to grow Jubilee II Watermelon?
Jubilee II Watermelon plants have sparse leaves and need a lot of sunshine and heat to mature their fruit. The Jubilee II Watermelon plant roots are delicate and require high nutrition and lots of water. For all that effort, you’ll be rewarded by the ripest, sweetest watermelons you’ve ever tasted. Read through the handy and useful guide ‘How to Grow watermelon’ and grow refreshing flavorful watermleons this summer!
It is essential to start Jubilee II Watermelon seeds indoors or in a greenhouse mid to late April. Transplant at the end of May or first week of June, when the plants are 5 weeks old. Optimal soil temperature for germination: 20-25°C (68-77°F). Seeds should sprout in 5-10 days.
Sow Jubilee II Watermelon seeds ½” deep. Set transplants 24-36″ apart in rows 5-6′ apart.
Ideal pH: 6.0-6.8. Choose a warm, well-drained soil for Jubilee II Watermelon. Add dolomite lime and compost or well-rotted manure to the bed and ½-1 cup of complete organic fertilizer beneath each transplant. Watermelons need really warm growing conditions. Use black plastic mulch, cloches, or floating row covers. Success may improve in raised beds. Watermelons plants require 8-10 weeks of good, hot growing weather from the middle of June to the end of August. During that time, a melon vine must grow 5-9 leaves before starting to flower, then set 4 or more male flowers before making its first female flower, and then ripen its fruit before cool, damp weather sets in. Watermelons do not ripen off the vine. During the entire growing season, make sure to provide ample water.
Jubilee II Watermelon fruit will ripen in late August to early September. Watermelon is ripe when the tendril nearest to the fruit withers and dries up.
In ideal conditions at least 60% of Jubilee II Watermelon seeds will germinate. Usual seed life: 3 years. Per 100′ row: 60 seeds, per acre: 5.2M seeds.
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