One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when it's possible to plant geum is to refer to the USDA zone info for Rocklin.

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 do ok in some cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant geum in Rocklin 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 grow to maturity. Starting your geum indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Rocklin is not always accurate and the actual date of last frost is different every year. Half of the time in Rocklin you get a frost after February 15 so make sure that you are prepared to protect your geum if you have one of those late frosts.

USDA Zone Info for Rocklin

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 Rocklin

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