The highest average temperature in Fort Collins is July at 74.3 degrees. The coldest average temperature in Fort Collins is December at 24.9 degrees. The most monthly precipitation in Fort Collins occurs in July with 4.5 inches. The Fort Collins weather information is based on the average of the previous 3-7 years of data. Loading...
Set the seed flat in a warm, brightly lit area out of direct sun. The best temperature for successful germination is between 68 and 86 degrees F. The top of your refrigerator or above a hot water heater are good locations provided there is enough light available. Your portulaca seeds will germinate in 10 to 15 days.tep 2. Sow a single portulaca seed in the center of the soil in each cell of the flat. Don't cover the seeds with soil because they require plenty of light for germination.
This can overheat your seeds. Your seeds should begin to germinate in several days up to a couple of weeks, depending on the seed-type. A good rule of thumb is to wait roughly 10 days; however, if you want to give your seeds the best chance, research the germination time of your specific seeds.