When to Plant Sweet Potatos in Norwalk, CT

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to estimate when it's a good idea to plant sweet potatos by referring to the USDA zone info for Norwalk.


Planting Calendar for Sweet Potatos

Frost tolerance for sweet potatos: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Sweet Potatos do not do well in cold weather which means that you must wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant sweet potatos
Possibly ok, but a risky time to plant sweet potatos
Probably not a good time to plant sweet potatos

The earliest that you can plant sweet potatos in Norwalk is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant sweet potatos and expect a good harvest is probably August. If you wait any later than that and your sweet potatos may not have a chance to fully mature. If you are starting your sweet potatos indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Norwalk. In the coldest months of winter you should expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for Norwalk is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Norwalk it frosts late in the year after April 15 be ready to cover your sweet potatos if you have a late frost.

USDA Zone Info for Norwalk

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Norwalk

You may be interested in your other planting guides for Norwalk.