Charleston Gray 133 Watermelon is an open-pollinated, heirloom that matures in 85 days. Long, uniform melons with a hard, thin, light green rind and fine red flesh with firm texture, sweet flavor and large brownish-black seeds. Long bearing vigorous vines. Should you want smaller melons, drill rows closer together, little pruning. Excellent shipper. A factor of importance is that the degree of wilt tolerance is greater in Charleston Gray 133 Watermelon than in the original Charleston Gray. Tolerant to Wilt, Anthracnose, Sunburn.
How to grow Charleston Gray 133 Watermelon?
Charleston Gray 133 Watermelon plants have sparse leaves and need a lot of sunshine and heat to mature their fruit. The Charleston Gray 133 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 Charleston Gray 133 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 Charleston Gray 133 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 Charleston Gray 133 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.
Charleston Gray 133 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 Charleston Gray 133 Watermelon seeds will germinate. Usual seed life: 3 years. Per 100′ row: 60 seeds, per acre: 5.2M seeds.
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