One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Havre De Grace you can determine when to plant pennisetum by referring to 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 can survive in a tiny bit of cold which means that you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant pennisetum in Havre De Grace 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. If you wait any later than that and your pennisetum may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pennisetum indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Havre De Grace. You can expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Havre De Grace is just an average and the actual date of last frost changes from year to year. Half of the time in Havre De Grace you get surprised by a frost after April 15 so always be ready to protect your pennisetum in the event of a surprise late frost.

USDA Zone Info for Havre De Grace

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Havre De Grace

You may be interested in your other planting guides for Havre De Grace.