The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Okeechobee you will be able to figure out when it's the best time to plant achillea.

Planting Calendar for Achillea

Frost tolerance for achillea:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since achillea are very cold tolerant you can plant them a lot earlier in the year than plants that are more sensitive to the cold.

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

Last Frost Date

On average the last frost is on February 15 in Okeechobee. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Okeechobee may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Okeechobee there is a last frost after February 15 be ready to cover your achillea in the event of a surprise late frost.

USDA Zone Info for Okeechobee

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 Okeechobee

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