One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's the best time to plant geranium by referring to the USDA zone info for Hawthorne.

Planting Calendar for Geranium

Frost tolerance for geranium:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since geranium do not do well in cold weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant geranium in Hawthorne 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 geranium and expect a good harvest is probably September. Any later than that and your geranium may not have a chance to really do well. You can get started a couple of weeks earlier by starting your geranium indoors.

Last Frost Date

The average date of last frost is January 31 in Hawthorne. You should expect an average low temperature of 35°F in the coldest months of winter.

Remember that USDA zone info for Hawthorne is not always accurate and the actual date of last frost is different every year. Since half of the time in Hawthorne last frost occurs after January 31 be ready to protect your geranium if you have a late frost.

USDA Zone Info for Hawthorne

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 Hawthorne

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