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.

A common way of determining when it's the best time to plant geum is to examine the USDA zone info for Tempe.

Planting Calendar for Geum

Frost tolerance for geum:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Geum can survive in some cold which tells us that you can plant them slightly earlier in the year than other frost tender plants.

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

The last month that you can plant geum and expect a good harvest is probably September. You probably don't want to wait any later than that or else your geum may not have a chance to really do well. You can get started a little bit earlier by starting your geum indoors.

Last Frost Date

The average date of last frost is February 15 in Tempe. In the coldest months of winter you should expect an average low temperature of 25°F.

Remember that USDA zone info for Tempe may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Tempe last frost occurs after February 15 be ready to cover your geum in the event of a late frost.

USDA Zone Info for Tempe

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 Tempe

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