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

By looking at the USDA zone info for Williamsburg you will be able to estimate when to plant scaevola.

Planting Calendar for Scaevola

Frost tolerance for scaevola:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant scaevola until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant scaevola in Williamsburg is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant scaevola and expect a good harvest is probably August. If you wait any later than that and your scaevola may not have a chance to really do well. Starting your scaevola indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Williamsburg may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Williamsburg last frost occurs after April 15 so make sure that you are ready to protect your scaevola in the event of a surprise late frost.

USDA Zone Info for Williamsburg

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 Williamsburg

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