Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Waltham can be read to estimate when to plant chocolate daisy.

Planting Calendar for Chocolate Daisy

Frost tolerance for chocolate daisy:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since chocolate daisy are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant chocolate daisy in Waltham 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 chocolate daisy and expect a good harvest is probably August. If you wait any later than that and your chocolate daisy may not have a chance to fully mature. Starting your chocolate daisy indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Waltham is just an average and the actual date of last frost is different every year. Half of the time in Waltham last frost occurs after April 15 so just be sure to be ready to protect your chocolate daisy if you have 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.