One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when it's possible to plant shasta daisys by looking at the USDA zone info for Mount Vernon.

Planting Calendar for Shasta Daisys

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

You can plant shasta daisys just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant shasta daisys in Mount Vernon 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. 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

On average the last frost has passed is on April 15 in Mount Vernon. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Mount Vernon is not always accurate and the actual date of last frost is different every year. Since half of the time in Mount Vernon there is a last frost after April 15 be ready to protect your shasta daisys in the event of a surprise late frost.

USDA Zone Info for Mount Vernon

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Mount Vernon

You may be interested in your other planting guides for Mount Vernon.