Hair loss is another sign that thyroid hormones may be out of balance. Both hypothyroidism and hyperthyroidism can cause hair to fall out. In most cases, the hair will grow back once the thyroid disorder is treated.
However, watermelons need a long, warm growing season to flourish. Knowing when to plant watermelon will help you harvest a bounty of large ripe melons. Watermelons can grow in USDA Hardiness Zones 3 through 11 and need 70 to 90 days to reach maturity, depending on the variety. Soil temperatures must be at 60- to 65-degrees Fahrenheit at the 4-inch depth, or watermelon seeds will not germinate. Average air temperatures must be between 70 and 85 degrees Fahrenheit.
How Long Does Watermelon Take to Grow & What Month Do You Plant? Many superlatives can be applied to watermelon, including sweetest melon. Producing the biggest fruit on the longest vines, the watermelon (Citrullus vulgaris) also has the longest history of any of the melons. And most eaters agree; it is the sweetest of the bunch. The first recorded evidence of a watermelon crop occurred over 5,000 years ago in Egypt.