When to Plant Scaevola in Half Moon Bay, CA

One of the best tools that you have as gardeners to help us estimate 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.

You can estimate when it's possible to plant scaevola in Half Moon Bay by using the USDA zone info.


Planting Calendar for Scaevola

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

You really shouldn't 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 Half Moon Bay 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. If you wait any later than that and your scaevola may not have a chance to grow to maturity. Starting your scaevola indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Half Moon Bay. You should expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for Half Moon Bay is just an average and the actual date of last frost is different every year. Since half of the time in Half Moon Bay there is a last frost after January 31 be ready to cover your scaevola in the event of a surprise late frost.

USDA Zone Info for Half Moon Bay

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 Low30°F
Highest Expected Low35°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 Half Moon Bay

You may be interested in your other planting guides for Half Moon Bay.