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

In Walla Walla you can estimate when it's the best time to plant flowering tobacco by looking at the USDA zone info.

Planting Calendar for Flowering Tobacco

Frost tolerance for flowering tobacco:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Flowering Tobacco do not do well in cold weather which means that it is important to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant flowering tobacco in Walla Walla 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 fully mature. If you are starting your flowering tobacco 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 April 15 in Walla Walla. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that USDA zone info for Walla Walla may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Walla Walla there is a last frost after April 15 be ready to protect your flowering tobacco if you have a surprise late frost.

USDA Zone Info for Walla Walla

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 Low	0°F
Highest Expected Low	5°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 Walla Walla

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