Does it matter what the market did today? Not reallyânot compared to what the companies we own will do in the coming years. Why did the stock market go up today? Who knows. Why did the stock market go down today? Who can say? Leave questions about money supply and the Federal Reserve and unemployment rate and all of those airy factors to economists.
Sunflowers grow tall quite rapidly, sometimes stretching up to 6 feet high in only three months, according to Burpee. Staking the plant by tying it to a stiff support relieves stress on the branches and prevents blooms from breaking off the stem.
Comments. Submit. Sunflowers are tolerant of both hot and cold temperatures, but do better in cooler weather. According to Purdue Extension, sunflower seeds will germinate at temperatures as low as 39 degrees Fahrenheit, but the ideal temperature would be at least 46 to 50 degrees Fahrenheit.The best temperature for growing plants, however, is between 70 to 78 degrees Fahrenheit.ccording to Purdue Extension, sunflower seeds will germinate at temperatures as low as 39 degrees Fahrenheit, but the ideal temperature would be at least 46 to 50 degrees Fahrenheit.