Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 you can plant scaevola is to consult the USDA zone info for Warrenton.

Planting Calendar for Scaevola

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

Scaevola require warm weather which means that you must wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant scaevola in Warrenton 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 scaevola and expect a good harvest is probably September. You probably don't want to wait any later than that or else your scaevola may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your scaevola indoors.

Last Frost Date

On average the last frost is on February 15 in Warrenton. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Warrenton may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Warrenton you get a frost after February 15 be ready to cover your scaevola if you have a surprise late frost.

USDA Zone Info for Warrenton

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Warrenton

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