Before planting it is a good idea to find your USDA Zone info to figure out 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.

A common way of figuring out when you can plant argyranthemum is to check out the USDA zone info for Atlantic Highlands.

Planting Calendar for Argyranthemum

Frost tolerance for argyranthemum:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant argyranthemum until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant argyranthemum in Atlantic Highlands 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 argyranthemum and expect a good harvest is probably August. Any later than that and your argyranthemum may not have a chance to fully mature. If you are starting your argyranthemum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Atlantic Highlands. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Atlantic Highlands is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Atlantic Highlands you get surprised by a frost after April 15 be ready to protect your argyranthemum in the event of one of those late frosts.

USDA Zone Info for Atlantic Highlands

Here is the info for USDA Zone 7b.

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

Plants to Grow in Atlantic Highlands

You may be interested in your other planting guides for Atlantic Highlands.