One of the first steps you take when you are figuring out your gardening schedule is find your 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.

In Newport Beach you can determine when it's a good idea to plant zucchini by using the USDA zone info.

Planting Calendar for Zucchini

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

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

The earliest that you can plant zucchini in Newport Beach 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 zucchini and expect a good harvest is probably September. If you wait any later than that and your zucchini may not have a chance to grow to maturity. If you are starting your zucchini indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on January 31 in Newport Beach. In the coldest months of winter you should expect an average low temperature of 35°F.

Remember that USDA zone info for Newport Beach may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Newport Beach you get a frost after January 31 be ready to protect your zucchini in the event of a surprise late frost.

USDA Zone Info for Newport Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Newport Beach

You may be interested in your other planting guides for Newport Beach.