Before planting it is a good idea to find your USDA Zone info to determine 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.

In Joshua you can estimate when it's a good idea to plant scaevola by referring to the USDA zone info.

Planting Calendar for Scaevola

Frost tolerance for scaevola:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since scaevola require warm weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant scaevola in Joshua 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. 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 few weeks earlier by starting your scaevola indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Joshua. In the coldest months of winter you can expect an average low temperature of 10°F.

Remember that USDA zone info for Joshua may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Joshua there is a last frost after March 15 be ready to protect your scaevola if you have one of those late frosts.

USDA Zone Info for Joshua

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 Joshua

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