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.

A common way of determining when it's the best time to plant yarrow is to consult the USDA zone info for Live Oak.

Planting Calendar for Yarrow

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

Yarrow do well in cold which tells us that you can plant them a quite a bit earlier than other frost tender plants.

The earliest that you can plant yarrow in Live Oak 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 yarrow and expect a good harvest is probably September. You probably don't want to wait any later than that or else your yarrow may not have a chance to grow to maturity. If you are starting your yarrow indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Live Oak. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Live Oak may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Live Oak it frosts late in the year after March 15 be ready to protect your yarrow in the event of a late frost.

USDA Zone Info for Live Oak

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Live Oak

You may be interested in your other planting guides for Live Oak.