One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

One way of estimating when it's the best time to plant larkspur is to examine the USDA zone info for Van Buren.

Planting Calendar for Larkspur

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

Since larkspur are very cold tolerant you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant larkspur in Van Buren 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. You probably don't want to wait any later than that or else your larkspur may not have a chance to grow to maturity. Starting your larkspur indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Van Buren may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Van Buren you get surprised by a frost after April 15 be ready to cover your larkspur in the event of a surprise late frost.

USDA Zone Info for Van Buren

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 Van Buren

You may be interested in your other planting guides for Van Buren.