One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Santa Fe you can determine when to plant bidens by checking out the USDA zone info.

Planting Calendar for Bidens

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

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

The earliest that you can plant bidens in Santa Fe 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. Starting your bidens indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Santa Fe. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Santa Fe may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Santa Fe you get a frost after February 15 so be sure to be ready to cover your bidens in the event of one of those late frosts.

USDA Zone Info for Santa Fe

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Santa Fe

You may be interested in your other planting guides for Santa Fe.