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When to Plant Nasturtium in Half Moon Bay, CA

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

The first opportunity to plant nasturtium in Half Moon Bay can be figured out by referring to the USDA zone info.


Planting Calendar for Nasturtium

Frost tolerance for nasturtium: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Nasturtium do not do well in cold weather which means that it is important to wait until it warms up after all chance of frost has passed before you can plant them.

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

The earliest that you can plant nasturtium 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 nasturtium and expect a good harvest is probably September. If you wait any later than that and your nasturtium may not have a chance to fully mature. If you are starting your nasturtium indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Half Moon Bay and it will vary from year to year. Since half of the time in Half Moon Bay you get surprised by a frost after January 31 be ready to cover your nasturtium in the event of a 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.