One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of getting a good idea when it's a good idea to plant zinnia is to consult the USDA zone info for Redondo Beach.

Planting Calendar for Zinnia

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

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

The earliest that you can plant zinnia in Redondo 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 zinnia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your zinnia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your zinnia indoors.

Last Frost Date

The average date of last frost is January 31 in Redondo Beach. It might get as low as 35°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Redondo Beach is just an average and the actual date of last frost will vary from year to year. Half of the time in Redondo Beach you get surprised by a frost after January 31 so be sure to be ready to cover your zinnia if you have a surprise late frost.

USDA Zone Info for Redondo 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 Redondo Beach

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