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

In Salinas you can figure out when it's the best time to plant bidens by reviewing the USDA zone info.

Planting Calendar for Bidens

Frost tolerance for bidens:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably not a good idea to plant bidens until after the last frost because they are not cold tolerant.

The earliest that you can plant bidens in Salinas 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 bidens and expect a good harvest is probably September. Any later than that and your bidens may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your bidens indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Salinas. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Salinas is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Salinas you get a frost after February 15 so make sure that you are prepared to cover your bidens if you have a surprise late frost.

USDA Zone Info for Salinas

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 Low	25°F
Highest Expected Low	30°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 Salinas

You may be interested in your other planting guides for Salinas.