The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant dracaena in Sonora can be determined by checking out the USDA zone info.

Planting Calendar for Dracaena

Frost tolerance for dracaena:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Dracaena do ok in pretty solid cold which tells us that you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant dracaena in Sonora 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 dracaena and expect a good harvest is probably October. Any later than that and your dracaena may not have a chance to fully mature. Starting your dracaena 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 Sonora. It might get as low as 20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Sonora is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Sonora there is a last frost after February 15 be ready to cover your dracaena if you have one of those late frosts.

USDA Zone Info for Sonora

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 Sonora

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