One of the best tools that you have as gardeners to help us determine 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.

The first chance to plant larkspur in Oxford should be determined by reviewing the USDA zone info.

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 quite a bit earlier in the year than more sensitive plants.

The earliest that you can plant larkspur in Oxford 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. If you wait any later than that and your larkspur may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your larkspur indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Oxford. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Oxford is an average the actual date of last frost changes from year to year. Half of the time in Oxford you get surprised by a frost after April 15 so make sure that you are ready to cover your larkspur in the event of one of those late frosts.

USDA Zone Info for Oxford

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 Oxford

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