One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when to plant pearl onions by referring to the USDA zone info for Atlantic Highlands.

Planting Calendar for Pearl onions

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

Pearl onions are one of those plants that can tolerate a tiny bit of cold weather which means that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant pearl onions in Atlantic Highlands 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 pearl onions and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pearl onions may not have a chance to fully mature. If you are starting your pearl onions indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Atlantic Highlands. You should expect an average low temperature of 5°F in the coldest months of winter.

It's important to remember that USDA zone info for Atlantic Highlands may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Atlantic Highlands there is a last frost after April 15 be ready to cover your pearl onions if you have a surprise late frost.

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.