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.

You can estimate when you can plant feverfew in Sunnyvale by referring to the USDA zone info.

Planting Calendar for Feverfew

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

Feverfew do well in a little bit of cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant feverfew in Sunnyvale 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 feverfew and expect a good harvest is probably October. If you wait any later than that and your feverfew may not have a chance to fully mature. Starting your feverfew 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 February 15 in Sunnyvale. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Sunnyvale may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Sunnyvale last frost occurs after February 15 so make sure that you are ready to protect your feverfew if you have a late frost.

USDA Zone Info for Sunnyvale

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 Sunnyvale

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