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 using the USDA zone info for Twentynine Palms you should be able to figure out when you can plant scaevola.

Planting Calendar for Scaevola

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

Scaevola are not cold tolerant which means that you must wait until it warms up after the last frost before you can plant them.

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

Last Frost Date

The average date of last frost is February 15 in Twentynine Palms. In the coldest months of winter you should expect an average low temperature of 20°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Twentynine Palms and it will vary from year to year. Half of the time in Twentynine Palms you get surprised by a frost after February 15 so be sure to be ready to cover your scaevola if you have a late frost.

USDA Zone Info for Twentynine Palms

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 Twentynine Palms

You may be interested in your other planting guides for Twentynine Palms.