One of the first steps you take when you are figuring out 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.

By using the USDA zone info for Pittsburgh you should be able to estimate when it's the best time to plant shasta daisys.

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 do ok in mild cold which means that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant shasta daisys in Pittsburgh 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 shasta daisys and expect a good harvest is probably September. 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Pittsburgh. It might get as low as -5°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Pittsburgh and it will vary from year to year. Since half of the time in Pittsburgh last frost occurs after April 15 be ready to cover your shasta daisys if you have a late frost.

USDA Zone Info for Pittsburgh

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Pittsburgh

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