One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Williamsburg can be reffered to in order to determine when you can plant scabiosa.

Planting Calendar for Scabiosa

Frost tolerance for scabiosa:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since scabiosa are moderately cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant scabiosa in Williamsburg 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 scabiosa and expect a good harvest is probably September. You probably don't want to wait any later than that or else your scabiosa may not have a chance to grow to maturity. Starting your scabiosa indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Williamsburg the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Williamsburg is an average and the actual date of last frost will vary from year to year. Since half of the time in Williamsburg there is a last frost after April 15 be ready to cover your scabiosa in the event of a surprise late frost.

USDA Zone Info for Williamsburg

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Williamsburg

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