The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's possible to plant flowering tobacco is to look at the USDA zone info for Diamond Bar.

Planting Calendar for Flowering Tobacco

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

Since flowering tobacco are not cold tolerant you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant flowering tobacco in Diamond Bar is February. However, you really should wait until March 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 September. If you wait any later than that and your flowering tobacco may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your flowering tobacco indoors.

Last Frost Date

In Diamond Bar the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind 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 Diamond Bar and it is different every year. Since half of the time in Diamond Bar it frosts late in the year after January 31 be ready to cover your flowering tobacco in the event of a late frost.

USDA Zone Info for Diamond Bar

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Diamond Bar

You may be interested in your other planting guides for Diamond Bar.