One of the best tools that you have as gardeners to help us figure out 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.

By looking at the USDA zone info for Marble Falls it's a good idea to determine when you can plant achillea.

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 quite a bit of cold which tells us that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant achillea in Marble Falls 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. If you wait any later than that and your achillea may not have a chance to fully mature. You can get started a little bit earlier by starting your achillea indoors.

Last Frost Date

The average date of last frost is March 15 in Marble Falls. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Marble Falls is an average the actual date of last frost will vary from year to year. Half of the time in Marble Falls last frost occurs after March 15 so be sure to be ready to cover your achillea if you have a surprise late frost.

USDA Zone Info for Marble Falls

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 Marble Falls

You may be interested in your other planting guides for Marble Falls.