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.

By reviewing the USDA zone info for Ridgewood it's a good idea to estimate when it's possible to plant heliotrope.

Planting Calendar for Heliotrope

Frost tolerance for heliotrope:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You can not plant heliotrope until after all chance of frost has passed because they require warm weather.

The earliest that you can plant heliotrope in Ridgewood 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 heliotrope and expect a good harvest is probably August. You probably don't want to wait any later than that or else your heliotrope may not have a chance to really do well. You can get started a few weeks earlier by starting your heliotrope indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Ridgewood is an average and the actual date of last frost is different every year. Half of the time in Ridgewood you get a frost after April 15 so be sure to be ready to protect your heliotrope if you have one of those late frosts.

USDA Zone Info for Ridgewood

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 Ridgewood

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