(SOUTHERN COLORADO) — Another Mother’s Day has come and gone, but many Southern Coloradans are already starting to plant flowers in their garden. Historical weather data shows that the rest of May could continue to bring freezes at times.

According to data from the National Weather Service (NWS), in Colorado Springs, the average last freeze date is May 8, but there have been freezes that have been recorded in June. The latest final freeze in Colorado Springs was June 18, 1912. For the Pueblo area, the average last freeze is April 29; however, the latest last freeze recorded was June 2, 1919.

Alamosa has the latest freeze dates with an average last freeze of June 7 and the latest last freeze recorded was on July 2, 1997.

Even though the weather data shows that we could have freezes lasting longer than Mother’s Day, if you are itching to start planting, it’s best to watch the overnight lows as your guide of what to plant.

In the produce category, apples, carrots, celery, spinach, peas, radishes, cucumbers, lettuce, bell peppers, tomatoes and snap beans can not tolerate overnight low temperatures of less than 31 degrees. Flowers such as Zinnias, Marigolds, Begonias, Periwinkles, Petunias, Verbena and Sweet Alyssum can not tolerate temperatures under 30 degrees.