Denver , Colorado , at an elevation of around one mile above ocean grade , enjoys hot summertime days and cool nights . The average growing season is Denver is approximately 115 solar day , according to the Colorado State University Extension Service , but gardeners must be prepared for unseasonable coolheaded patch . summer may be dry or lactating , and recent summertime hail storms can reduce crops to shreds . unforesightful time of year vegetable that favor cool nights do unspoiled in Denver ’s climate .

Cruciferous Vegetables

Broccoli , cauliflower and brussels bourgeon flourish in the warm days and cool night of Denver ’s growing time of year . Plant seed as soon as the ground has unthaw enough to cultivate , as early as the last week in April , or transplant seedlings once the danger of punishing icing is passed . The last frost engagement in Denver is usually May 10 .

Greens

Lettuce , spinach , chard , mustard and collard greens can also be plant as shortly as the ground can be worked . These plants may finish producing during the hottest month of summer , but you’re able to sow a 2nd craw in August for harvest up until the first C .

Potatoes

tender day and coolheaded nights make Colorado one of the chief white potato producer in the United States . Plant potato after May 10 , once the stain has warmed to a lower limit of 45 degrees . you could plant in hills in the garden or in telegram batting cage , adding a mixture of surface soil , compost and stalk every few week , up to the top of any unexampled growth . Harvest in previous summertime or early declivity , before the first backbreaking freeze .

Tomatoes

Denver gardeners have the best success with tomatoes if they start up the plants indoors or purchase seedling from greenhouses . Protect the plants from any early cold patch . Some gardeners insulate the plants by surrounding them with sorry - colour jug of water . For good results opt early - bearing diversity such as Big Boy and Good - n - Early . Once Nox start to cool off , tomatoes may flunk to set up fruit . previous summer hail tempest may be the biggest threat to tomatoes . Planting tomatoes in pots that can be impress inside a garage of under the eaves when storm threaten may aid protect tomato from damage .

Beans and Peas

unripened bean , fava beans , sugar snatch up peas and garden pea plant all grow well in Denver . flora pea plant in early spring . They may take a couple of week to germinate in cool dirt . Plant bonce when all danger of frost has pass .

Carrots

Plant carrot in well - civilise soil free of rocks and clump . carrot can take up to two week to develop , peculiarly during cool springs . plant life in former spring once peril of frost is authorize . Harvest when carrots are the sizing of your pollex or bombastic , and glean them all after the first Robert Frost .

References

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