One of the best tools that you have as gardeners to help us figure out 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 best time to plant galium in Tucson can be figured out by using the USDA zone info.

Planting Calendar for Galium

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

Since galium do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant galium in Tucson 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 galium and expect a good harvest is probably October. You probably don't want to wait any later than that or else your galium may not have a chance to grow to maturity. Starting your galium 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 Tucson. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Tucson and it is different every year. Since half of the time in Tucson you get surprised by a frost after February 15 be ready to protect your galium if you have a late frost.

USDA Zone Info for Tucson

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 Tucson

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