One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Poway it's a good idea to figure out when it's possible 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.

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

The earliest that you can plant scaevola in Poway 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 grow to maturity. You can get started a little bit earlier by starting your scaevola indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Poway. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Poway is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Poway you get a frost after February 15 so be sure to be ready to cover your scaevola if you have one of those late frosts.

USDA Zone Info for Poway

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Poway

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