Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant painted tongues in Riverton should be estimated by reviewing the USDA zone info.

Planting Calendar for Painted Tongues

Frost tolerance for painted tongues:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant painted tongues until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant painted tongues in Riverton 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 painted tongues and expect a good harvest is probably August. If you wait any later than that and your painted tongues may not have a chance to fully mature. If you are starting your painted tongues 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 Riverton. You should expect an average low temperature of -25°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Riverton and it changes from year to year. Since half of the time in Riverton there is a last frost after May 15 be ready to protect your painted tongues in the event of a surprise late frost.

USDA Zone Info for Riverton

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 Riverton

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