The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Manhattan you can determine when it's the best time to plant feverfew 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.

Since feverfew are moderately cold tolerant you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

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

Last Frost Date

In Manhattan the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Manhattan and it changes from year to year. Half of the time in Manhattan last frost occurs after April 15 so make sure that you are prepared to cover your feverfew in the event of a late frost.

USDA Zone Info for Manhattan

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Manhattan

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