One of the best tools that you have as gardeners to help us estimate 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 best time to plant cosmos in Virginia Beach should be determined by checking out the USDA zone info.

Planting Calendar for Cosmos

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

Since cosmos do ok in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant cosmos in Virginia Beach 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 cosmos and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cosmos may not have a chance to fully mature. Starting your cosmos indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Virginia Beach. You should expect an average low temperature of 10°F in the coldest months of winter.

It's important to remember that USDA zone info for Virginia Beach is just an average and the actual date of last frost changes from year to year. Since half of the time in Virginia Beach there is a last frost after March 15 be ready to cover your cosmos in the event of a late frost.

USDA Zone Info for Virginia Beach

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Virginia Beach

You may be interested in your other planting guides for Virginia Beach.