One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's possible to plant shasta daisys is to check out the USDA zone info for Zone 1a.

Planting Calendar for Shasta Daisys

Frost tolerance for shasta daisys:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Shasta Daisys are moderately cold tolerant which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant shasta daisys in Zone 1a is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant shasta daisys and expect a good harvest is probably July. You probably don't want to wait any later than that or else your shasta daisys may not have a chance to grow to maturity. You can get started a little bit earlier by starting your shasta daisys indoors.

Last Frost Date

The average date of last frost is June 15 in Zone 1a. You should expect an average low temperature of -60°F in the coldest months of winter.

Since the USDA zone info for Zone 1a is not always accurate the actual date of last frost will vary from year to year. Half of the time in Zone 1a you get surprised by a frost after June 15 so make sure that you are prepared to protect your shasta daisys in the event of a late frost.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)	June 15
Average Date of First Frost (fall)	July 15
Lowest Expected Low	-60°F
Highest Expected Low	-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in your other planting guides for Zone 1a.