One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

A common way of figuring out when it's possible to plant dahlberg daisy is to use the USDA zone info for Swarthmore.

Planting Calendar for Dahlberg Daisy

Frost tolerance for dahlberg daisy:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Dahlberg Daisy do not do well in cold weather which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant dahlberg daisy in Swarthmore is April. However, you really should wait until May if you don't want to take any chances.

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

Last Frost Date

On average all chance of frost has passed is on April 15 in Swarthmore. In the coldest months of winter you can expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Swarthmore may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Swarthmore you get a frost after April 15 so be sure to be ready to cover your dahlberg daisy in the event of one of those late frosts.

USDA Zone Info for Swarthmore

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Swarthmore

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