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

The first opportunity to plant pennisetum in Island Park should be figured out by reviewing the USDA zone info.

Planting Calendar for Pennisetum

Frost tolerance for pennisetum:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Pennisetum do well in very little cold which means that you can plant them a bit earlier in the year than more sensitive plants.

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

Last Frost Date

In Island Park the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Island Park may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Island Park you get surprised by a frost after April 15 be ready to cover your pennisetum 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.