One of the best tools that you have as gardeners to help us determine 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 a good idea to plant geum is to consult the USDA zone info for Chula Vista.

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.

You can plant geum slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant geum in Chula Vista 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 little bit earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Chula Vista. In the coldest months of winter you can expect an average low temperature of 35°F.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Chula Vista and it is different every year. Half of the time in Chula Vista it frosts late in the year after January 31 so just be sure to be ready to cover your geum if you have a surprise late frost.

USDA Zone Info for Chula Vista

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Chula Vista

You may be interested in your other planting guides for Chula Vista.