Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to estimate when it's possible to plant bidens by checking out the USDA zone info for Saranac Lake.

Planting Calendar for Bidens

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

Since bidens do not do well in cold weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant bidens in Saranac Lake is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant bidens and expect a good harvest is probably August. If you wait 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 little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Saranac Lake. It might get as low as -30°F during the coldest months of winter.

Always keep in mind that USDA zone info for Saranac Lake is an average and the actual date of last frost is different every year. Since half of the time in Saranac Lake last frost occurs after May 15 be ready to protect your bidens in the event of one of those late frosts.

USDA Zone Info for Saranac Lake

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Saranac Lake

You may be interested in your other planting guides for Saranac Lake.