One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Rock Springs it's a good idea to figure out when it's a good idea to plant flowering tobacco.

Planting Calendar for Flowering Tobacco

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

Flowering Tobacco do not do well in cold weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant flowering tobacco in Rock Springs 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 flowering tobacco and expect a good harvest is probably August. If you wait any later than that and your flowering tobacco may not have a chance to grow to maturity. Starting your flowering tobacco indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Rock Springs. It might get as low as -20°F during the coldest months of winter.

It's important to remember that USDA zone info for Rock Springs 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 Rock Springs there is a last frost after April 15 be ready to protect your flowering tobacco if you have a late frost.

USDA Zone Info for Rock Springs

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Rock Springs

You may be interested in your other planting guides for Rock Springs.