Tips & Techniques
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Connecticut Planting Zones

Connecticut planting zones

Looking for growing information and Connecticut planting zones? Much of Connecticut has a humid continental climate where you can expect cold winters and humid, hot summers. January’s average temperature is about 26 degrees and with 35 to 45 inches of snow that can fall throughout the winter season in the majority of the state. The northwest region, however, can see an average of 75 inches each year. The southern and coastal regions generally have the summer humidity that is typical of the east coast and milder winters with much less snow. 

Connecticut growing zones range from 5b to 7a. Before planning or planting a garden anywhere in the state of Connecticut, be sure to take the time to determine the growing zones in the specific area your garden will be in. Gilmour’s Interactive Planting Zone Map is easy to use and tells exactly which Connecticut planting zone you are in. From there, it is easier to decide what to plant. Planting depends on first and last frost dates in a region, and the zone will have good guidelines on expected dates for both. Some plants and vegetables will do better than others in certain regions, and knowing this ahead of planting time will help ensure a productive garden all season, whether planting flowers, plants, fruits or vegetables. 

Root vegetables do exceptionally well in Connecticut. Carrots, radishes, turnips and beets are all good choices. Other vegetables like tomatoes can do well, but have to be planted after any danger of frost has passed. Some flowers that will grow nicely in the state include daylilies, shasta daisies, iris gladiola canna, coleus and red creeping thyme. 

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