When can I plant Scaevola in Zone 9b

The USDA Zone info is a great tool for gardeners to help us figure out our gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The best time to plant scaevola in Zone 9b can be estimated by reviewing the USDA zone info.


Planting Calendar for Scaevola

Frost tolerance for scaevola: Not tolerant of frost.
When you should plant them: After the last frost.

It's not a good idea to plant scaevola until after all chance of frost has passed because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant scaevola
Possibly ok, but a risky time to plant scaevola
Probably not a good time to plant scaevola

The earliest that you can plant scaevola in Zone 9b 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. Any later than that and your scaevola may not have a chance to really do well. Starting your scaevola indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Zone 9b. It might get as low as 25°F during the coldest months of winter.

Remember that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 9b and it is different every year. Half of the time in Zone 9b it frosts late in the year after February 15 so make sure that you are prepared to protect your scaevola in the event of one of those late frosts.

USDA Zone Info for Zone 9b

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 Low25°F
Highest Expected Low30°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 Zone 9b

You may be interested in our other planting guides for Zone 9b.