Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when you can plant bidens in Silsbee by using the USDA zone info.

Planting Calendar for Bidens

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

Since bidens are not cold tolerant you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant bidens in Silsbee 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 fully mature. If you are starting your bidens 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 February 15 in Silsbee. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Silsbee is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Silsbee last frost occurs after February 15 so make sure that you are prepared to protect your bidens if you have one of those late frosts.

USDA Zone Info for Silsbee

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 Silsbee

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