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

The USDA zone info for Warrenton can be used to determine when you can plant maltese cross.

Planting Calendar for Maltese Cross

Frost tolerance for maltese cross:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant maltese cross a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant maltese cross in Warrenton is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant maltese cross and expect a good harvest is probably October. Any later than that and your maltese cross may not have a chance to really do well. You can get started a little bit earlier by starting your maltese cross indoors.

Last Frost Date

In Warrenton the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Warrenton is an average and the actual date of last frost changes from year to year. Since half of the time in Warrenton there is a last frost after February 15 be ready to cover your maltese cross in the event of a 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.