One of the first steps you take when you are estimating 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 Newark it's possible to determine when it's the best time to plant larkspur.

Planting Calendar for Larkspur

Frost tolerance for larkspur:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Larkspur do well in cold which means that you can plant them much earlier than plants that are more sensitive to the cold.

The earliest that you can plant larkspur in Newark is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant larkspur and expect a good harvest is probably September. Any later than that and your larkspur may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your larkspur indoors.

Last Frost Date

On average the last frost is on April 15 in Newark. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Newark is just an average the actual date of last frost will vary from year to year. Half of the time in Newark you get surprised by a frost after April 15 so always be ready to protect your larkspur if you have a surprise late frost.

USDA Zone Info for Newark

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 Newark

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