The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Zimmerman you can determine when it's a good idea to plant shasta daisys by looking at the USDA zone info.

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 means that you can start planting them earlier than more sensitive plants.

The earliest that you can plant shasta daisys in Zimmerman is March. However, you really should wait until April 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 August. If you wait any later than that and your shasta daisys may not have a chance to fully mature. If you are starting your shasta daisys indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Zimmerman. You can expect an average low temperature of -30°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Zimmerman and it changes from year to year. Since half of the time in Zimmerman there is a last frost after May 15 be ready to cover your shasta daisys in the event of a surprise late frost.

USDA Zone Info for Zimmerman

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zimmerman

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