What vegetables would grow best in my climate? (southern utah) - Knowledgebase Question

Cedar City, Ut
Avatar for thenowfam
Question by thenowfam
May 7, 2008
My husband and I are new to southern utah and would love to plant a vegetable garden, but we are new to gardening and are not sure what would grow well in this climate either. Help!! There are a few veggies that we would like to plant, such as tomatoes, cucumbers, bell peppers, and onions. But we have no idea where to start!

Answer from NGA
May 7, 2008
Vegetable gardening in Washington County can be rewarding and successful. The
county has a wide range in elevation which has a significant influence on the climate and growing season. For example, St. George has an elevation of 2,624 feet and a frost-free growing season of more than six months. Enterprise has an elevation of 5,346 feet and the frost-free season begins later in the spring and ends earlier in the fall (shortening the season considerably.) This doesn?t mean that you can?t grow vegetables there ? you just need to know when to plant.

Cold-hardy vegetables such as cabbage, onion, peas, spinach, and turnips can be
planted before the danger of frost is over. This is because they can tolerate cold
temperatures and they do not fare well once temperatures get into the mid-eighties
and above. Other plants such as beets, carrots, potatoes and parsnips may be planted
before the last frost date but could be tender if they are out of the ground on a night when the temperatures drop well below freezing. Keep in mind that the frost-free dates given here are only average dates and will vary from season to season.
Even though the season starts early and ends fairly late in the St. George area, the
middle of the season is too hot to grow most vegetables successfully. There is a period beginning in June which often goes until August when the temperatures exceed 95 degrees nearly every day. This extreme heat renders the pollen of most vegetables
sterile and fertilization cannot take place. This is often seen on tomatoes and squash when the flowers wilt and die in mid-season rather than forming young fruits. During the hot period, areas of higher elevation and cooler average temperatures will have much better success with gardening.

Another way to deal with the heat of summer is to think of it as two growing seasons. Begin early and plan to mature vegetables before it gets really hot. You can also plant late in the season and try to have plants come into bearing late enough to miss the worst of the heat. In theory, this works well on short-season crops like beans and squash but is more difficult on long-season crops such as tomatoes and melons. You may also beat the heat by purchasing young transplants and putting them in while it is cool. Transplants will take less time to mature than direct-seeded vegetables and therefore mature before it gets too hot. However, this does not work well with all vegetables. For example, corn, beans, and carrots should not be transplanted. Some gardeners have used shade cloth or other ways to shield plants from the harsh afternoon sun. The period from 2 pm until sundown is generally the hottest time of the day. Where possible, offer protection from the sun from the west in late afternoon.

You can find publications for specific vegetables on the following Utah State University website: http://extension.usu.edu/htm/p...

Best wishes with your new garden!

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