What growing zone is CT in
Victoria Simmons
Published Mar 15, 2026
Covering most of the state is Zone 6, split into colder 6a and warmer 6b with average temperature minimums from -10 to -5 degrees and -5 to 0 degrees, respectively. Connecticut’s new zone, 7b with temperature minimums between 0 and 5 degrees, runs along the shoreline from New Haven westward to the New York state line.
What planting zone is Hartford Connecticut in?
Hartford, Connecticut is in USDA Hardiness Zones 6a and 6b.
What zone is Danbury CT?
Danbury, Connecticut is in USDA Hardiness Zones 6a and 6b.
What zone is central CT?
LocationHardiness ZoneCentral VillageZone 6a: -10°F to -5°FCentral WaterfordZone 6a: -10°F to -5°FChaplinZone 5b: -15°F to -10°FCheshireZone 6a: -10°F to -5°FWhat growing zone is Ridgefield CT?
Ridgefield, Connecticut is in USDA Hardiness Zones 6b.
What planting zone is Litchfield CT?
Litchfield County, Connecticut is in USDA Hardiness Zones 5b and 6a.
What planting zone is Shelton CT?
Shelton, Connecticut is in USDA Hardiness Zones 6b and 7a.
What zone is Newtown CT?
Newtown, Connecticut is in USDA Hardiness Zones 6b.What growing zone is Fairfield CT?
Zipcode 06824 – Fairfield Connecticut is in Hardiness Zones 6b and 7a.
What planting zone is Hamden CT?Zipcode 06517 – Hamden Connecticut is in Hardiness Zones 6b and 7a.
Article first time published onWhat gardening zone is Westport CT?
Westport, Connecticut is in USDA Hardiness Zones 6b and 7a.
What zone is Stamford CT?
Portions of Stamford, for example, now fall in zone 7a while others remain zone 6b. A plant hardy in zones 3 to 7 is well suited for all of Connecticut’s hardiness zones as long as the plant is properly located to meet its light, soil, moisture and wind exposure needs.
What zone is Torrington CT?
Torrington, Connecticut is in USDA Hardiness Zones 5b and 6a.
What planting zone is Watertown CT?
Watertown, Connecticut is in USDA Hardiness Zones 6a.
What planting zone is Norwalk CT?
Norwalk, Connecticut is in USDA Hardiness Zones 6b and 7a.
Is Mint a perennial in Zone 6?
Mint plants (Mentha spp.) thrive in U.S. Department of Agriculture plant hardiness zones 4 through 9. Perennial mint’s hardy roots can survive winters as far north as zone 6.
When can I plant in CT?
CropLettuceSow seeds indoorsFeb 16 – Mar 1Transplant seedlings into the gardenMar 15 – Apr 12Direct sow seedsMar 15 – Apr 12
What planting zone is Greenwich?
Climate or Hardiness Zone: Greenwich/Stamford is within USDA Hardiness Zone 6B.
What grows best in zone 6b?
ZonesShipping DatesLast Order Date11/22/2021
What planting zone is Madison CT?
Zipcode 06443 – Madison Connecticut is in Hardiness Zones 6b and 7a.
When should I plant in Zone 6b?
Planting and growing zone 6 plants typically begins around mid-March (after the last frost) and continues through mid-November.
What planting zone is Wilton CT?
Zipcode 06897 – Wilton Connecticut is in Hardiness Zones 6b and 7a.
What planting zone is Milford CT?
Milford, Connecticut is in USDA Hardiness Zones 7a.
How do you know what zone your garden is?
The best way to determine your hardiness zone is to use the USDA Hardiness Zone Map. The online version has a feature where you can search hardiness zone maps by zip code or state. Seed packet maps are often based off of this information as well.
What climate is Connecticut?
Climate – Connecticut (United States) Connecticut’s climate is continental, with very cold, snowy winters and warm to hot summers, during which there are quite frequent thunderstorms.
Where is Climate Zone 6?
Climate Zone 6 includes the beaches at the foot of the southern California hills, as well as several miles of inland area where hills are low or nonexistent. The Pacific Ocean is relatively warm in these longitudes and keeps the climate very mild.
What can I plant in the fall in CT?
Greens, such as Swiss chard, kale and collards, can take some heat and germinate quickly. But wait until later in August to sow lettuce, spinach, and radish seeds. They need cooler soils to germinate well. ‘Golden Sweet’ snow peas make a great addition to any fall vegetable garden.
What planting zone is Trumbull CT?
Trumbull, Connecticut is in USDA Hardiness Zones 6b and 7a.
What are the growing zones in the US?
The average low temperatures for zone 1 are -60 to -50, for zone 2 are -50 to -40, for zone 3 are -40 to -30, for zone 4 are -30 to -20, for zone 5 are -20 to -10, for zone 6 are -10 to 0, for zone 7 are 0 to 10, for zone 8 are 10 to 20, for zone 9 are 20 to 30, for zone 10 are 30 to 40, for zone 11 are 40 to 50, for …
What zone is 06880?
Zipcode 06880 – Westport Connecticut is in Hardiness Zones 6b and 7a.
When should I start seeds indoors in CT?
Start indoors March-April for a spring crop. They’re cold-tolerant and can be transplanted mid-April through mid-May. Another round of seeds (excluding Brussels) can be sown for a fall planting.