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.

The first opportunity to plant feverfew in Atherton should be figured out by using 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.

You can plant feverfew just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant feverfew in Atherton 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. Any later than that and your feverfew may not have a chance to grow to maturity. Starting your feverfew indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Atherton and it can change quite a bit from year to year. Since half of the time in Atherton last frost occurs after February 15 be ready to protect your feverfew if you have a surprise late frost.

USDA Zone Info for Atherton

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 Atherton

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