One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Upland you should be able to determine when to plant scaevola.

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 do not do well in cold weather which tells us that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant scaevola in Upland 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 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. Starting your scaevola indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Upland the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Upland is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Upland you get surprised by a frost after January 31 be ready to cover your scaevola if you have a surprise late frost.

USDA Zone Info for Upland

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Upland

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