One of the first steps you take when you are estimating your gardening schedule is find your 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.

By using the USDA zone info for Mesa it's a good idea to determine when it's possible to plant bellis.

Planting Calendar for Bellis

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

Bellis do well in moderate cold which means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant bellis in Mesa 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 bellis and expect a good harvest is probably October. Any later than that and your bellis may not have a chance to really do well. Starting your bellis indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Mesa. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Mesa is not always accurate the actual date of last frost will vary from year to year. Half of the time in Mesa it frosts late in the year after February 15 so always be ready to protect your bellis in the event of one of those late frosts.

USDA Zone Info for Mesa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Mesa

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