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When to Plant Sweet Potato Vine in Torrington, WY

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant sweet potato vine in Torrington can be figured out by looking at the USDA zone info.


Planting Calendar for Sweet Potato Vine

Frost tolerance for sweet potato vine: Not tolerant of frost.
When to plant: After the last frost has passed.

Sweet Potato Vine are not cold tolerant which means that you really should 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 potato vine
Possibly ok, but a risky time to plant sweet potato vine
Probably not a good time to plant sweet potato vine

The earliest that you can plant sweet potato vine in Torrington is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant sweet potato vine and expect a good harvest is probably August. Any later than that and your sweet potato vine may not have a chance to really do well. If you are starting your sweet potato vine indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Torrington. You can expect an average low temperature of -25°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Torrington and it changes from year to year. Since half of the time in Torrington you get surprised by a frost after May 15 be ready to protect your sweet potato vine in the event of a surprise late frost.

USDA Zone Info for Torrington

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Torrington

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