One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when it's the best time to plant achillea is to look at the USDA zone info for Ivins.

Planting Calendar for Achillea

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

Achillea do well in cold which tells us that you can get them planted much earlier than other plants that might not handle the cold.

The earliest that you can plant achillea in Ivins 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 achillea and expect a good harvest is probably September. Any later than that and your achillea may not have a chance to fully mature. Starting your achillea 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 March 15 in Ivins. In the coldest months of winter you can expect an average low temperature of 10°F.

It's important to remember that USDA zone info for Ivins is an average and the actual date of last frost will vary from year to year. Half of the time in Ivins you get surprised by a frost after March 15 so just be sure to be ready to cover your achillea if you have a surprise late frost.

USDA Zone Info for Ivins

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Ivins

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