Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Waltham can be read to figure out when to plant dahlberg daisy.

Planting Calendar for Dahlberg Daisy

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

Since dahlberg daisy are not cold tolerant it's important to wait until after the last frost before you can plant them.

The earliest that you can plant dahlberg daisy in Waltham 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. Any later than that and your dahlberg daisy may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your dahlberg daisy indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Waltham. You should expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Waltham and it is different every year. Half of the time in Waltham last frost occurs after April 15 so be sure to be ready to protect your dahlberg daisy in the event of one of those late frosts.

USDA Zone Info for Waltham

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 Waltham

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