Before planting it is a good idea to find your USDA Zone info to estimate 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.

The USDA zone info for Island Park should be reffered to in order to determine when it's the best time to plant balsam.

Planting Calendar for Balsam

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

Since balsam do not do well in cold weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant balsam in Island Park is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant balsam and expect a good harvest is probably August. Any later than that and your balsam may not have a chance to fully mature. Starting your balsam indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Island Park. You should expect an average low temperature of 5°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Island Park and it can change quite a bit from year to year. Since half of the time in Island Park last frost occurs after April 15 be ready to protect your balsam in the event of a surprise late frost.

USDA Zone Info for Island Park

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Island Park

You may be interested in your other planting guides for Island Park.