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 USDA zone info for Warrenton can be used to estimate when you can plant firebush.

Planting Calendar for Firebush

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

Since firebush do not do well in cold weather it is important to wait until after the last frost before you can plant them.

The earliest that you can plant firebush in Warrenton is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant firebush and expect a good harvest is probably September. If you wait any later than that and your firebush may not have a chance to grow to maturity. Starting your firebush indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Warrenton. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Warrenton is just an average and the actual date of last frost changes from year to year. Since half of the time in Warrenton it frosts late in the year after February 15 be ready to cover your firebush if you have a surprise late frost.

USDA Zone Info for Warrenton

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in Warrenton

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