The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 Orange should be read to determine when you can 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.

It's probably not a good idea to plant scaevola until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant scaevola in Orange 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 fully mature. 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 Orange. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Orange is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Orange last frost occurs after April 15 so make sure that you are prepared to cover your scaevola in the event of one of those late frosts.

USDA Zone Info for Orange

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Orange

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