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.
These require a slightly longer growing season, usually 80 to 85 days to fruit harvest. Blooms may appear anytime in a four- to eight-week period. Seedless Types. Seedless watermelon varieties (all are triploid hybrids), also require 80 to 85 days until fruit harvest from time of planting. These will flower within the same four- to eight-week window as main season types.